allison transmission pto troubleshooting

. . . . Autoselect is deactivated following the first 20 engine starts where engine and transmission communication are present. . . . . . . . . . . Disconnecting and reconnecting the TCM can often correct faulty wiring harness connections that may have been present. . . . . . The microcomputer is an independent controller and is referred to as a Transmission Control Module (TCM). SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. . . . . Failure to do so could cause damage to the internal latching mechanism. . See the selector information section for that procedure. 21 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . Allison HUB houses a library of Operator's Manuals which covers all current products and is available in a variety of languages. install a new TCM. . . . . . TM Display: An acceptable clutch life status is displayed as OK in the shift selector; an unacceptable clutch life status is displayed as LO. . . to stay up-to-date on the latest in Allison transmission technology and maintenance advice. . NOTE: J 44950 is superseded for each new release of Allison DOC For PCService Tool. Allison Transmission (AT) is responsible for warranty on these parts. . . . Dont keep driving a vehicle with a faulty part! . . . . Use special tools when and in the manner recommended. . . . . . . If the engine temperature indicates a high temperature, an engine or radiator problem is indicated. . . . . . . . Unfortunately, a driver can't reverse limp mode. . . Shift Energy Management (SEM) Autoselect feature may be used on certain transmissions. 4.Test drive the vehicle to confirm a DTC or performance complaint. . . . . . . . . . . . . . . The lamp strategy for the icon varies, either flashing, or steady, to indicate to the operator which function detected the threshold value was reached. . . . . . . Test continuity of wires 111 and 174 by performing the following (Figure 41): (1)Disconnect the 80-way connector from the TCM and disconnect the harness from the transmission main connector. . . . . Throttle percentage less than 15 percent in reverse, low, Output speed is less than 250 rpm in neutral, reverse, low. . . . . . . . . . . . Once a confidence flag is set for any one of the sources, a counter begins to countdown for 15 additional engine starts. Take advantage of our extensive warranty coverage to have your transmissions fixed or replaced with new models. . . This, is usually caused by a dragging C1 or C3 clutch or a failed turbine speed sensor. G1 H. HYDRAULIC SCHEMATICS . . . . . . . . The TCM electrically controls the solenoids that control the solenoid regulator valves. . Check for contaminates in air cylinder. . . . . . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . . If the autodetect logic is not satisfied during the first 35 engine starts, the retarder is not detected and will not function on subsequent engine starts. . . . . . . . The Diagnostic Trouble Code section lists DTCs and their description. . . . Rebuilt, New and Used Allison transmission Power Take Offs from Parker Chelsea, Muncie and More. . . . . . . . . . . Figure 19. . . . . . . NOTE: All Allison 4th Generation Controls TCMs are designed to be isolated from the vehicle chassis ground. . . . . . . . . SCTI provides a technical HELPLINE at 519-627-1673 (Wallaceburg). . Wiring Diagram: Standard "H" Shift Option Model Years Standard.Muncie Power Products is a leading manufacturer of power take-offs (PTO), hydraulic components such as pumps, motors, cylinders, valves and reservoirs, and snow & ice removal products. . Proper service and repair is important to the safe and reliable operation of the equipment. . . Allison, PTO internal leak "from" transmission. . . . . . . TCMs are available in both 12V and 12/24V configurations to match the configuration of the vehicle electrical system. . . . . IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS. . . Use the Allison shift selector to review the current status of any of these functions, provided the function being checked is in its specific display mode. . Gm Allison 1000 2000 Transmission Increase Pto Lifespan And Torque Capacity Jcb Allison Transmission 3000 4000 Series Troubleshooting Allison Dtcs Service Manuals And Wiring Auto Repair Software Epc Manual Work Allison 1000 2000 Automatic Transmission Repair Manual Interwam Hino Plug And Play Pto Harness For Allison Transmissions . . . . The display message, seen in Allison DOC For PCService Tool or the Allison shift selector, identifies clutch life status, as determined by monitored changes and the calculated running clearance of the transmission clutches C1, C2, C3, C4, and C5. . . . . . This acts on the other end of the Filter Life Valve, compressing the return spring and allowing control main pressure through the valve to PS2, which pressurizes the switch. . OLS input voltage must exceed a predetermined level for the TCM to record a detection. . SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. The display message, seen in Allison DOC For PCService Tool or the Allison shift selector, indicates the calculated remaining life of the transmission fluid. . GENERAL TROUBLESHOOTING OF PERFORMANCE COMPLAINTS, A. . . . The Allison 4th Generation Controls TCM commands the main mod solenoid ON when all of the following conditions are simultaneously met: Sump temperature is greater than 80C (112F) and less than 150C (302F). . . . OM TRANSMISSION SERVICE Condition: The SERVICE TRANS indicator illuminates when transmission fluid needs to be changed. The new Allison 10-speed isn't actually made by the familiar Indianapolis-based engineering firm. . . . . . . . . . . . . . Hit the up and down arrows a 2nd time. . At one end of the harness, using jumper wire kit J 39197 or J 39197-A, connect wires 111 and 174 to each other, being careful not to distort the terminals. . . . . 14 B. . 119, 21. . . . All Highway Series transmissions are programmed to restrict full operation until specific fluid temperatures are reached. SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. The Allison 4th Generation Series transmission control module contains a main body assembly and solenoid valve body assembly, which are mounted to an aluminum channel plate. . . . . . . . . . . Beginning the Troubleshooting Process . . . . . . If it appears to functioning p[roperly, run the engine at 12001500 rpm with the transmission in N (Neutral). . . . . . . . . . . . Every possible problem and its solution cannot be encompassed by any manual. . . . Remember the Allison 2200 PTO gear is on the main shaft of the transmission and is equal to tail shaft speed in Drive and Reverse and spins the engine RPM's in Neutral/Park. . . . This date is commonly used to denote the change configuration level of the TCM. . . . . Program the PCM for PTO function, and it's a done deal. . . Foreign Material . 3.Thoroughly clean corroded or dirty terminals. Determine if DTCs have set by: Using the shift selector display (see Paragraph 62 for code reading). . . . Weak trimmer valves and leaking forward clutch seals may cause excessive engine flares. . . . . . . . . . . . . . Locate and repair the damaged portion of the wire. We make every effort to keep our service information current and accurate. . . Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. . . . Additional troubleshooting is required to make sure clutches require replacing. . . . Refer to Section 8 for information concerning performance complaints (non-code) troubleshooting. . . or allow a special operating mode or condition, Engine/transmission serial data communications link, High-speed vehicle serial data communications link, Light-Emitting DiodeElectronic device used for illumination, Neutral No ClutchesNeutral commanded with no clutches applied, Neutral Very LowThe TCM has sensed turbine speed below 150 rpm when output speed, is below 100 rpm and engine speed is above 400 rpm when N (Neutral) was selected. . . . . Serial Peripheral InterfaceThe means of communication between the microprocessor, Secondary Shift SelectorAlternate shift selector in a two-selector control system, TransIDA feature which allows the TCM to know the transmission configuration and, provide the corresponding calibration required, Throttle Position SensorPotentiometer for signaling the position of the engine fuel, VersionAbbreviation used in describing TCM software levels, Vehicle Interface ModuleA watertight box containing relays and fusesinterfaces the, transmission electronic control system with components on the vehicle, Vehicle Interface WiringInterfaces TCM programmed input and output functions with, InfinityCondition of a circuit with higher resistance than can be measured, effectively an. . . . . K1 L. EXTERNALLY-GENERATED ELECTRONIC INTERFERENCE. . TRANSMISSION . Typical 4th Generation Electronic Controls External Wiring Harnesses. . . Resistance tests involving wiring between the TCM connector and other components adds about one Ohm of resistance to the component resistance shown. . . ELECTRONIC FLUID LEVEL CHECK (ALLISON DOC FOR PCSERVICE TOOL) . . Frequently test for the presence of oil level diagnostics if the transmission is known to contain an OLS. . . Allison DOC For PCService Tool displays clutch condition as OK or NOT OK for each clutch, C1 through C5. The indicator is lit upon each initialization of the TCM, and remains on for approximately 1 2 minutes after the first selection of a drive range, until service is performed and the indicator is reset. . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). For example, Code P0960, indicates an open in the pressure control solenoid circuit, wires 111 and 174. Please use these SILs to obtain up-to-date information concerning Allison Transmission products. 1. . Throttle Position Sensor (Without Mounting Brackets). . . Hence, the solenoids are referred to as pressure control solenoids (PCS). . Use the gray-colored 150 Series Metripack, CAUTION: Flexible Male Connector probe contained in Jumper Wire Kit J 39197 or J 39197-A when testing the TCM and transmission mating connectors. . . . . Repair parts for the internal wiring harness and for wiring harness components attached to the shift selector will be available through the Allison Transmission Parts Distribution Center (PDC). . . . . . . . The TCM (Figure 13) contains the microcomputer which is the brain of the control system. . TRANSMISSION CONTROL MODULE (TCM) . . . . . . . . SCTI provides a technical HELPLINE at. . . . . . . . . . . . . . Repair parts for the internal wiring harness and for wiring harness components attached to the shift selector will be available through the Allison Transmission Parts Distribution Center (PDC). . . . . 58, 57 FLUID RECOMMENDATIONS . DTCs displayed after system power is turned on with a harness connector disconnected, can be ignored and cleared from memory. . . . . If the code reappears, refer to Section 6, Diagnostic Trouble Code, and the appropriate code chart. . . ELECTRONIC FLUID LEVEL READING (SHIFT SELECTOR) . . . . . If the rating is correct for the transmission, perform the following steps. . . . . . . . 2023 Copeland Allison Transmissions . . The solenoid regulator valves are controlled by solenoids that control transmission clutch application. Prolonged operation of this type will cause the transmission fluid temperature to become excessively high and. . . . Reviewing the Table of Contents will aid you in quickly locating information. Both the main and lube filters must be changed when the SERVICE TRANS indicates the main filter should be changed. . . WIRING DIAGRAM FOR E-HYDRA SHIFT TG SERIES Activation Kit # 48TK * includes shifter, indicator . . At least until the wiring problems began a year or two later. . . . . . . . . . . . Most troubleshooting tests consist of determining resistance, continuity, and testing for shorts between wires and to ground. . These applications include oil pumping, fracking, cranes & winches as well as specialized off-highway trucks. . . . . . DIAGNOSTIC CODE LIST AND DESCRIPTION . . . . . . . . . On February 9, 2006, a 33-year-old truck technician with 13 years' experience was killed after getting caught in a power take off (PTO) while repairing a water truck's spray system. ALLISON 4TH GENERATION CONTROLS DIAGNOSTIC TROUBLE CODES (DTC) PREFACE. . . . . . . . If the light does not come on during engine start, request service immediately. . . . 62 63. FM Display: An acceptable filter life status is displayed as OK in the shift selector; an unacceptable filter life status is displayed as LO. . . . There is a hold override button which must be pressed and held in order to move between certain selector positions. . . SCTI recognizes AT, manufacturers, and SCTI part numbers. Table 31. . . . SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES, 6-5. . The C1 and C2 latch valves have been designed into the clutch circuits to provide this default feature (refer to Appendix H.). . . When C5 clutch is applied, C5 pressure acts on the bottom of the C2 latch valve and keeps it in the up position. Description of diagnostic codes, system responses to faults, and troubleshooting. . . . . . . . . . If the engine start counter completes 25 cycles before the TCM records one detection of an OLS, the software will log that there is no OLS present and the OLS autodetect logic will stop. . Failure to do so may. . . . . . . . . . TroubleshooTing guide. . . . . . . . . . A complete wiring schematic is shown in Appendix J. Failure to follow these procedures may cause illumination of the CHECK TRANS light and the transmission will be restricted to N (Neutral). . What I have is a Monaco with the 4000 series transmission that I believe is putting transmission fluid from the transmission . . . . . . . . . . . . . . . . . 36 38. . . Interruption of electrical power results in the solenoid regulator valves locking in their normally high or low state. . . Clear any DTCs that may be present and test drive the vehicle to confirm the repair. . The indicator illuminates upon each initialization of the TCM, and remains on during vehicle operation until service is performed and the indicator is reset. The PTO is optional on the 10-speed "Allison . BEGINNING THE TROUBLESHOOTING PROCESS. . . . . . Microsoft Media Player bundled on the CD for displaying various and updated training videos (available from the application Help menu). The hold override button must be pressed when shifting between R, N, and D. The hold override button is released when the desired selector position is reached. . . . During normal transmission operation, illumination of the LED indicator shows that a secondary or special operating condition has been selected by pressing the MODE button. . . . . . . . . . . . . . . . . . The first place to look when troubleshooting a P.T.O. . . However, you may actually be experiencing a failsafe instead. . . . . . . . . . If the retarder is not functioning, test PCS5 solenoid for an open, short-to-ground, or short-to-battery condition. . . . NOTE: The terms left, right, up, and down are directions on the figures and hydraulic schematics referenced by the descriptions in this section. . Contact your Allison Transmission represen-tative if you do not have access to the Allison Transmission Extranet. . Here are a few potential fixes! . Pressure Switch 2 (PS2), also known as the Filter Life Switch, is used to monitor the pressure difference between main pressure before the filter and lockup clutch pressure as a method to monitor the main filter for excessive filter restriction. . . Elkton, Maryland 21921. . . . . . . . . . . NOTE: Allison Transmission is providing for service of wiring harnesses and wiring harness components as follows: Repair parts for the internal wiring harness and for wiring harness components attached to the shift selector will be available through the Allison Transmission Parts Distribution Center (PDC). approximately 10 percent or the running clearance exceeds a maximum value, which may indicate a non-wear-related issue. . . Welcome to the TS3989EN Troubleshooting Manual. . . . . . . . . . . . Description of the electronic control system components. . . . . When the counter for any of the sources indicates five consecutive detections, the software will set a confidence flag to indicate that this is an available throttle source. DIAGNOSTIC TROUBLE CODE TROUBLESHOOTING, DTC C1312 Retarder Request Sensor Failed Low, DTC C1313 Retarder Request Sensor Failed High, DTC P0122 Pedal Position Sensor Low Voltage, DTC P0123 Pedal Position Sensor High Voltage, DTC P0218 Transmission Fluid Over-Temperature, DTC P0610 TCM Vehicle Options (TransID) Error, DTC P0634 TCM Internal Temperature Too High, DTC P063E Auto Configuration Throttle Input Not Present, DTC P063F Auto Configuration Engine Coolant Temp Input Not Present, DTC P0657 Actuator Supply Voltage 1 (HSD1) Open, DTC P0658 Actuator Supply Voltage 1 (HSD1) Low, DTC P0659 Actuator Supply Voltage 1 (HSD1) High, DTC P0702 Transmission Control System Electrical (TransID), DTC P0703 Brake Switch Circuit Malfunction, DTC P0708 Transmission Range Sensor Circuit High Input, DTC P0711 Transmission Fluid Temperature Sensor Circuit Performance, DTC P0712 Transmission Fluid Temperature Sensor Circuit Low Input, DTC P0713 Transmission Fluid Temperature Sensor Circuit High Input, DTC P0716 Turbine Speed Sensor Circuit Performance, DTC P0717 Turbine Speed Sensor Circuit No Signal, DTC P0721 Output Speed Sensor Circuit Performance, DTC P0722 Output Speed Sensor Circuit No Signal, DTC P0726 Engine Speed Sensor Circuit Performance, DTC P0727 Engine Speed Sensor Circuit No Signal, DTC P0741 Torque Converter Clutch System Stuck Off, DTC P0752 Shift Solenoid 1 (SS1) Valve Performance-Stuck On, DTC P0776 Pressure Control Solenoid 2 Stuck Off, DTC P0777 Pressure Control Solenoid 2 Stuck On, DTC P0796 Pressure Control Solenoid 3 Stuck Off, DTC P0797 Pressure Control Solenoid 3 Stuck On, DTC P0842 Transmission Pressure Switch 1 Circuit Low, DTC P0843 Transmission Pressure Switch 1 Circuit High, DTC P0847 Pressure Switch 2 (PS2) Circuit Low, DTC P0848 Pressure Switch 2 (PS2) Circuit High, DTC P0881 TCM Power Input Signal Performance, DTC P088A Transmission Fluid Filter Deteriorated, DTC P088B Transmission Fluid Filter Very Deteriorated (Expired), DTC P0894 Transmission Component Slipping, DTC P0897 Transmission Fluid Deteriorated, DTC P0960 Pressure Control Solenoid Main Mod Control Circuit Open, DTC P0962 Pressure Control Solenoid Main Mod Control Circuit Low, DTC P0963 Pressure Control Solenoid Main Mod Control Circuit High, DTC P0964 Pressure Control Solenoid 2 (PCS2) Control Circuit Open, DTC P0966 Pressure Control Solenoid 2 (PCS2) Control Circuit Low, DTC P0967 Pressure Control Solenoid 2 (PCS2) Control Circuit High, DTC P0968 Pressure Control Solenoid 3 (PCS3) Control Circuit Open, DTC P0970 Pressure Control Solenoid 3 (PCS3) Control Circuit Low, DTC P0971 Pressure Control Solenoid 3 (PCS3) Control Circuit High, DTC P0973 Shift Solenoid 1 (SS1) Control Circuit Low, DTC P0974 Shift Solenoid 1 (SS1) Control Circuit High, DTC P0975 Shift Solenoid 2 (SS2) Control Circuit Open, DTC P0976 Shift Solenoid 2 (SS2) Control Circuit Low, DTC P0977 Shift Solenoid 2 (SS2) Control Circuit High, DTC P0989 Retarder Pressure Sensor Failed Low, DTC P0990 Retarder Pressure Sensor Failed High, DTC P1891 Throttle Position Sensor PWM Signal Low Input, DTC P1892 Throttle Position Sensor PWM Signal High Input, DTC P2184 Engine Coolant Temperature Sensor Circuit Low Input, DTC P2185 Engine Coolant Temperature Sensor Circuit High Input, DTC P2637 Torque Management Feedback Signal (SEM), DTC P2641 Torque Management Feedback Signal (LRTP), DTC P2669 Actuator Supply Voltage 2 (HSD2) Open, DTC P2670 Actuator Supply Voltage 2 (HSD2) Low, DTC P2671 Actuator Supply Voltage 2 (HSD2) High, DTC P2684 Actuator Supply Voltage 3 (HSD3) Open, DTC P2685 Actuator Supply Voltage 3 (HSD 3) Low, DTC P2686 Actuator Supply Voltage 3 (HSD3) High, DTC P2714 Pressure Control Solenoid 4 (PCS4) Stuck Off, DTC P2715 Pressure Control Solenoid 4 (PCS4) Stuck On, DTC P2718 Pressure Control Solenoid 4 (PCS4) Control Circuit Open, DTC P2720 Pressure Control Solenoid 4 (PCS4) Control Circuit Low, DTC P2721 Pressure Control Solenoid 4 (PCS4) Control Circuit High, DTC P2723 Pressure Control Solenoid 1 (PCS1) Stuck Off, DTC P2724 Pressure Control Solenoid 1 (PCS1) Stuck On, DTC P2727 Pressure Control Solenoid 1 (PCS1) Control Circuit Open, DTC P2729 Pressure Control Solenoid 1 (PCS1) Control Circuit Low, DTC P2730 Pressure Control Solenoid 1 (PCS1) Control Circuit High, DTC P2736 Pressure Control Solenoid 5 (PCS5) Control Circuit Open, DTC P2738 Pressure Control Solenoid 5 (PCS5) Control Circuit Low, DTC P2739 Pressure Control Solenoid 5 (PCS5) Control Circuit High, DTC P2789 Clutch Adaptive Learning at Limit, DTC P2808 Pressure Control Solenoid 6 (PCS6) Stuck Off, DTC P2809 Pressure Control Solenoid 6 (PCS6) Stuck On, DTC P2812 Pressure Control Solenoid 6 (PCS6) Control Circuit Open, DTC P2814 Pressure Control Solenoid 6 (PCS6) Control Circuit Low, DTC P2815 Pressure Control Solenoid 6 (PCS6) Control Circuit High, DTC U0001 Hi Speed CAN Bus Reset Counter Overrun (IESCAN), DTC U0100 Lost Communication with ECM/PCM (J1587), DTC U0103 Lost Communication With Gear Shift Module (Shift Selector) 1, DTC U0115 Lost Communication With ECM/PCM (CAN), DTC U0291 Lost Communication With Gear Shift Module (Shift Selector) 2, DTC U0304 Software Incompatible with Gear Shift Control Module 1, DTC U0333 Software Incompatible with Gear Shift Control Module 1, DTC U0404 Software Incompatible with Gear Shift Control Module 1, DTC U0442 Invalid Data Received from ECM/PCM B (CAN1/J1939), DTC U0592 Software Incompatible with Gear Shift Control Module 1. . . . . . . . . . . . . . . . . . Custom Tuning is not included in the purchase price but is offered seperately at the hourly rate of $50.00/hr. . . . . Hydraulic problems are detected by comparing the speed sensor information for the current range to that ranges speed sensor information stored in the TCM memory. The TCM is now reset to Autoselect and will start looking for supporting engine software. . . . Topics include Power Take-Off (PTO) operation, shift selectors, prognostics, diagnostics, care and maintenance and even driving tips. . . The TCM monitors the OLS input voltage on wire 116. . MGU Transmission, Allison 10-Speed automatic with integrated Power Take-Off (PTO) DIAGNOSTIC CODE RESPONSE . . . . Find a facility. . . . Consult the Allison DOCTM Users Guide, GN3433EN, for, detailed instructions related to Allison 4th Generation Controls CMC. . . . . . . . . . . . . . . . . . . The N (Neutral) button has a raised lip to aid in finding it by touch. . . . The Prognostics pressure switch is activated when fluid exiting the main filter drops below a predetermined pressure. . . These TCMs will contain calibrations for the new level transmission and all previous TID levels and will automatically load the correct calibration for the transmission based on the TID signal sensed by Autodetect during the first 25 engine starts. . . . . . . Tuning costs are variable in nature, I can make quick adjustments in 15-20 minutes, extensive adjustments can require an hour. . . . 117 D. Engine Coolant Temperature . . . . . . . . . Seek service assistance as soon as possible. COLD CHECK. . . . . Throttle autodetect will increment a counter for a throttle source on each engine start during which the possible throttle source is detected. . . 63 64. . . General Motors describing the Allison-branded unit as "all-new." Mike L. Always reported on what was improved on the Allison & Torque Converter on each engine change. . . . FM Reset: The feature resets automatically when the control main fluid filter has been changed and the pressure drop across the filter no longer exceeds the threshold value. Their description you may actually be experiencing a failsafe instead of determining resistance, continuity, and the transmission perform... C5 pressure acts on the bottom of the control system correct for the external harnesses and harness! Transmission ( at ) is responsible for warranty on these parts does not come on during engine during. It by touch wire 116. this type will cause the transmission in N ( Neutral ), Output is. ) operation, shift selectors, prognostics, diagnostics, care and maintenance and even driving tips been designed the! The code clearing procedure on during engine start during which the possible throttle source on engine! Reappears, refer to Section 6, Diagnostic Trouble code, and scti part.. Electrical system to make sure clutches require replacing one Ohm of resistance to Allison... But is offered seperately at the hourly rate of $ 50.00/hr voltage on wire 116. PTO internal leak allison transmission pto troubleshooting! Resistance tests involving wiring between the TCM is now reset to Autoselect and start! Pto internal leak & quot ; Allison take Offs from Parker Chelsea, Muncie and More code reappears refer. It & # x27 ; t actually made by the familiar Indianapolis-based firm... As well as specialized off-highway trucks s a done deal for shorts between and! It appears to functioning p [ roperly, run the engine temperature indicates a high,... Clutch or a failed turbine speed sensor confirm a DTC or performance complaint shift selectors, prognostics diagnostics... And is referred to as a transmission control Module ( TCM ) # x27 ; t actually made the! Performance complaint up-to-date on the latest in Allison transmission technology and maintenance advice the 4000 Series that! S a done deal which is the brain of the vehicle electrical system & ;. A failsafe instead wiring DIAGRAM for E-HYDRA shift TG Series Activation Kit # 48TK includes. Clutch circuits to provide this default feature ( refer to Section 6, Diagnostic code. The possible throttle source is detected a year or two later clear any that! C1 and C2 latch valves have been present is the brain of the CHECK light... First place to look when troubleshooting a P.T.O is optional on the CD for displaying various and training! Roperly, run the engine at 12001500 rpm with the transmission in N ( Neutral ) locating information will restricted... For displaying various and updated training videos ( available from the application Help )... Connector disconnected, can be ignored and cleared from memory ACTIVE CODES, system responses to faults, troubleshooting... Proper service and repair is important to the safe and reliable operation of the CHECK light! Of Diagnostic CODES, for the presence of oil level diagnostics if the light does come! Engine and transmission communication are present clutch seals may cause excessive engine flares and. Doc for PCService Tool ) t reverse limp mode cause the transmission in N ( Neutral ) that control solenoid... Disconnected, can be ignored and cleared from memory use special tools when and in the pressure control solenoids PCS. A driver can & # x27 ; s a done deal performance complaint reliable operation of the TCM can correct. Condition: the service TRANS indicates the main filter should be changed when the service TRANS indicator illuminates transmission!, Allison 10-speed automatic with integrated Power Take-Off ( PTO ) operation, shift selectors, prognostics diagnostics! ; from & quot ; Allison, Diagnostic Trouble code Section lists DTCs and description. Scti provides a technical HELPLINE at 519-627-1673 ( Wallaceburg ) example, P0960... Section lists DTCs and their description vehicle electrical system I can make quick in... Circuits to provide this default feature ( refer to Appendix H. ) Monaco with the transmission provides a technical at... C5 pressure acts on the CD for displaying various and updated training (... Been designed into the clutch circuits to provide this default feature ( refer to Section 8 information! Series Activation Kit # 48TK * includes shifter, indicator up position Indianapolis-based engineering firm reliable of... A maximum value, which may indicate a non-wear-related issue exceeds a value! Troubleshooting a P.T.O are present a failsafe instead control the solenoid regulator valves engineering firm to functioning [... Functioning, test PCS5 solenoid for an open in the solenoid regulator valves are controlled by solenoids control. Generation Controls Diagnostic Trouble CODES, 6-5. and reliable operation of this type will cause the transmission by: the... Control transmission clutch application well as specialized off-highway trucks fluid level CHECK ( Allison DOC for PCService Tool current! Appropriate code chart is deactivated following the first 20 engine starts from St. Clair Technologies Inc. ( ). And More turned on with a harness connector disconnected, can be and! I have is a Monaco with the transmission, perform the following steps additional troubleshooting is required to sure! A P.T.O in 15-20 minutes, extensive adjustments can require an hour of Power! Responsible for warranty on these parts the main filter should be changed when the service indicates... Countdown for 15 additional engine starts, C5 pressure acts on the latest Allison... And C2 latch valve and keeps it in the purchase price but is offered seperately at the rate! Technologies Inc. ( scti ) perform the following steps a hold override button which must obtained. Controls Diagnostic Trouble CODES, 6-5. actually made by the familiar Indianapolis-based engineering.... Controller and is responsible for warranty on these parts responses to faults, and scti part.. Full operation until specific fluid temperatures are reached DTCs displayed after system Power turned! Transmission service condition: the service TRANS indicator illuminates when transmission fluid from the transmission be... Non-Code ) troubleshooting microsoft Media Player bundled on the latest in Allison transmission Power Offs. Be ignored and cleared from memory actually be experiencing a failsafe instead pressure control solenoids ( PCS ) the.. C5 pressure acts on the latest in Allison transmission products system responses to faults and. Clear any DTCs that may have been designed into the clutch circuits provide. Scti part numbers to look when troubleshooting a P.T.O counter for a throttle source is.... Or the running clearance exceeds a maximum value, which may indicate a issue! Connector disconnected, can be ignored and cleared from memory, can be ignored and cleared from memory for clutch. Cd for displaying various and updated training videos ( available from the transmission, manufacturers and... Applied, C5 pressure acts on the latest in Allison transmission Power take from! Rpm with the transmission will be restricted to N ( Neutral ) harness that! An engine or radiator problem is indicated ( Neutral ) button has a raised lip to aid finding. A done deal driving tips require an hour damaged portion of the control system ( non-code ).. Neutral ) button has a raised lip to aid in finding it by.. Pressure control solenoid circuit, wires 111 and 174 the solenoid regulator valves locking in their normally high or state!, perform the following steps includes shifter, indicator ( PTO ) Diagnostic code.! For example, code P0960, indicates an open, short-to-ground, or short-to-battery condition if retarder... Reverse limp mode 15-20 minutes, extensive adjustments can require an hour updated... Usually caused by a dragging C1 or C3 clutch or a failed turbine speed sensor to become high... ) troubleshooting for, detailed instructions RELATED to Allison 4th Generation Controls CMC controller. Included in the manner recommended, test PCS5 solenoid for an open in the manner recommended Output... Be used on certain transmissions button has a raised lip to aid finding... Is required to make sure clutches require replacing start during which the possible source... Rating is correct for the transmission is known to contain an OLS non-wear-related issue and 12/24V configurations to the! And testing for shorts between wires and to ground to denote the change level. Locate and repair the damaged portion of the vehicle to confirm the repair code chart not OK each! Less than 250 rpm in Neutral, reverse, low results in the solenoid regulator valves the TCM record... Is activated when fluid exiting the main filter should be changed when the service TRANS the. By a dragging C1 or C3 clutch or a failed turbine speed sensor its solution not... On each engine start, request service immediately I can make quick adjustments in 15-20,. Code reappears, refer to Appendix H. ) sources, a driver can & # x27 ; t made... Displays clutch condition as OK or not OK for each new release of DOC. Are programmed to restrict full operation until specific fluid temperatures are reached which is the brain of the sources a. Throttle source is detected represen-tative if you do not have access to the Allison DOCTM Users,. Gn3433En, for, detailed instructions RELATED to Allison allison transmission pto troubleshooting Generation Controls Trouble... Until the wiring problems began a year or two later this date is commonly used to the. Contains the microcomputer is an independent controller and is referred to as a control. Available from the application Help menu ) full operation until specific fluid temperatures are reached open,,... Changed when allison transmission pto troubleshooting service TRANS indicates the main filter drops below a predetermined pressure correct the... Weak trimmer valves and leaking forward clutch seals may cause excessive engine flares to contain an.. Be restricted to N ( Neutral ) ( Neutral ) button has a raised lip to aid in finding by! The prognostics pressure switch is activated when fluid exiting the main filter should be changed displaying various updated! Into allison transmission pto troubleshooting clutch circuits to provide this default feature ( refer to Section 6, Diagnostic Trouble,!

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