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. . . . . . . . Figure 15. . . . . . Allison transmissions are custom-designed for several different industries and provide valuable power and work. The latch valves (refer to Appendix H) are activated by normally low solenoid SS1. NOTE: J 44950 is superseded for each new release of Allison DOC For PCService Tool. . . . . . . . But things may go wrong rather unexpectedly. . . . If you find yourself stuck in third gear with this model of transmission, its probably time to, Allison transmissions built in the mid-2000s had a recall issued for their TCM module. When the CHECK TRANS has been illuminated for this purpose, the TCM registers DTC P088B, Very Deteriorated Filter. . Whenever a transmission is overhauled, exchanged, or has undergone internal repairs, the TCM MUST. . . . 31 33. . . When a problem exists but a DTC is not indicated, refer to the Performance Complaint Section (Section 8) for a listing of various electrical and hydraulic problems, their causes, and remedies. . . . Check with your Allison Transmission service outlet for the currently applicable publication. Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . . 14 A. Pushbutton Shift Selector . 11 12. . . . . . SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES, 6-5. . . . . . TM Display: An acceptable clutch life status is displayed as OK in the shift selector; an unacceptable clutch life status is displayed as LO. . . . . . If the engine temperature gauge indicates a high temperature, the transmission is probably overheated. . . . . . . . . . Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. (Display occurs one character at a time. . . . . . . . . . . . SCTI will have parts catalogs available. . . . . . . . Operation may or may not be restricted. . . . 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 History: A historical record of the last 6 resets, including mileage at the time of each reset, may be viewed using the Allison DOC For PCService Tool . . . . . The Prognostics Package includes the following functions: Use the Allison DOC For PCService Tool to review the current status of any of these functions and a history of indicator resets. . See the selector information section for that procedure. . Shorts involve wire-to-wire or wire-to-ground contacts and moving the harnesses may eliminate the problem. . Dry Air (can vary depending on humidity) 346 m/s. . . . . . Refer to SIL 16-WT-96 for the correct procedure. . .L1 M. DIAGNOSTIC TREE3000 AND 4000 PRODUCT FAMILIES HYDRAULIC SYSTEM . . There are three full-function pushbutton shift selectors and a strip pushbutton shift selector. . the Allison DOC For PCService Tool to reset retarder autodetect or to manually select the presence of the retarder after the PCS5 circuit is repaired. In Economy Mode, the transmission will not downshift even at wide-open throttle until the engine pulls . . . Dont keep driving a vehicle with a faulty part! . . . Box 894 Indianapolis, Indiana 46206-0894 Printed in . . Stop the vehicle and inspect the cooling system. . (2)On the opposite end of the harness, test the continuity of the jumpered pair. Determine the fluid level before beginning the OLS troubleshooting. . . . . . . . . . . M1 N. ALLISON DOC FOR PCSERVICE TOOL. . . . All Rights Reserved. The A20 Series PTO for Allison 3000/4000 Series features a rotatable pump flange and various product improvements allowing for easier intallation and durability. . NOTE: When sump temperature is below 10C (50F) and transmission fluid is C4 (not DEXRON or TranSynd), follow these procedures when making directional shift changes: To shift from forward to reverse, select N (Neutral) and then R (Reverse). . . . . Verify a new engine rating by checking the engine data tag. . . . . . . . . . . . . . The VIM for 12V systems uses all 12V relays. . . TESTING AT TRANSMISSION FEEDTHROUGH CONNECTOR FOR INTERNAL, HARNESS OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND . . . . . . . . . . . . . . . . . So the totals are a poly line with air would be 886 m/s vs a steel cable with nylon sheath 4385 m/s. Be sure to reset the Adaptive Shift parameters and Autodetect information when it is installed in the original vehicle. . MGM Transmission, Allison 10-Speed automatic 1 - Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine. . . . . Visually confirm that the range selected was attained. . Find an Allison authorized service facility near you. . . . . HYDRAULIC OPERATION DURING ELECTRICAL INTERRUPTION, 4-2. . . It is normal for the TCM date displayed electronically to be a few days prior to the date shown on the label. . The technician should be able to use jumper wires and breakout harnesses and connectors. . . To service Allison 4th Generation Controls, the technician must understand basic electrical concepts. was correctly specified and then failed prematurely, there are two likely causes: . . . TCM Reprogramming tab, used to enable the reprogramming capability of the Allison DOC For. There is no limit to the number of engine starts for autodetection of the throttle source until a confidence flag is set for a source. . . . . . Filter Life Valve Hydraulic Schematic. If the P.T.O. . . Throttle percentage less than 15 percent in reverse, low (7-speed), first, or second range. . . . . SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES . . . .P1 Q. THERMISTOR TROUBLESHOOTING INFORMATION . . . Throttle percentage less than 15 percent in reverse, low, Output speed is less than 250 rpm in neutral, reverse, low. Elkton, Maryland 21921. . Trying to find out how a pto works on the Allison transmission. . . . . . . TESTING AT TRANSMISSION FEEDTHROUGH CONNECTOR FOR INTERNAL HARNESS OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND, 5-2. . . . Use special tools when and in the manner recommended. . . A PTO on an Allison will work on the roll, the three wheel Terragator fertilizer spreaders in the 90's ran a 643 Allison trans with a PTO to run the blowers and feeders at full throttle for hours at a time, consuming 35-40 continuous HP. . Allison DOC For PCService Tool shows PS2 PRESSURIZED. . . . . . . . Additional troubleshooting is required to make sure clutches require replacing. For example, Code P0960, indicates an open in the pressure control solenoid circuit, wires 111 and 174. a. . . Allison Transmission 5.03K subscribers Commercial vehicles often feature special equipment to execute specific work such as a refuse compactor, a hydraulic crane or a firetruck pump. . . . All the 5 and 6 speed systems I sell are tested 4bt 6-speed Allison Suburban, or 5 speed Allison pickup. . . . . . . Allison Transmission (AT) is responsible for warranty on these parts. . . . . . . . . NOTE: Error messages, sudden disconnections, and poor performance are some of the results users will experience if Allison DOC For PC-Service Tool V7.x.x is installed on PCs that do not meet one or more of the above specifications. . . Review the Installation Checklist in the 3000 and 4000 Product Families transmissions Tech Data for proper installation. The Allison transmission 1000 model has a feature called "limp mode", in which the transmission locks itself into third gear. Retarder and engine brakes will not apply when ABS is active. enhance vehicle handling. . . . . . . . Figure 17. The system that enables the transmission to default to totally hydraulic operation has been incorporated to minimize the impact of an electrical interruption. The lamp strategy for the icon varies, either flashing, or steady, to indicate to the operator which function detected the threshold value was reached. . . . . . . . . . . . The oil level sensor is available on any 3000 and 4000 Product Families transmissions except the 3000 7-speed transmissions. . If necessary, the indicator can be manually reset using the Allison DOC For PCService Tool diagnostics program. . . Disconnecting and reconnecting the TCM can often correct faulty wiring harness connections that may have been present. . distort the socket terminals inside the connectors and cause them to lose the necessary tension to maintain firm contact. . drive gear rating (continuous operation) Using one PTO: 930 Nm. . . . . All tools listed are essential for overhaul, maintenance, and/or recalibration of the 3000 and 4000 Product Families electronic and electrical systems. . . . . . . When the C5 clutch is exhausted, as in second through sixth ranges, PS1 verifies the position of the C1 and C2 latch valves. . Topics include Power Take-Off (PTO) operation, shift selectors, prognostics, diagnostics, care and maintenance and even driving tips. . Allison MD HD B Series Troubleshooting Manual Transmission, Allison automatic OM2995EN Allisson_4000MH_Transmission Owners Manual 4700 Cross Section OM4119EN Prognostics Job Aid 3K Operators Manual . . . . If dirty or corroded terminals are the probable cause of the problems, reconnect the clean connectors and operate the vehicle normally. When the TCM detects a non-electrical problem while trying to make a shift, the TCM may try that shift a second or third time before setting a DTC. . . OM Display: The selector display is a two-digit number, showing the percentage of fluid life remaining. . . . . . . . . Allison 4th Generation Internal Wiring Harness, Figure 111. . . The TCM uses a single 80-way connector, which is used to receive input from the following: Many harnesses will include a bulkhead fitting to separate cab and chassis components. . . . . Clutch-apply pressure against the lands of the latch valves hold the latch valves in place or in a normally closed valve allows the fluid to simply flow through the valves. . . . . . . . . . . . The lever selector can be chosen with the lever on the left side or on the right side and with the R (Reverse) position toward the front or toward the rear of the selector. . . will last you a very long time with few problems. . . Custom Tuning is not included in the purchase price but is offered seperately at the hourly rate of $50.00/hr. . . To install pto and wire in switch. . . . . . Resistance tests involving wiring between the TCM connector and other components adds about one Ohm of resistance to the component resistance shown. . . Engine speed less than 1200 rpm in all ranges except neutral. Some procedures require using specially designed tools. When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and. . . . . . . . If a DTC is found in the TCM memory, record all available code information and clear the active indicator. . . Weak trimmer valves and leaking forward clutch seals may cause excessive engine flares. . . . . . . . . . . . . CODE READING AND CODE CLEARING. However, if a matching calibration does not exist in memory, the TCM registers a DTC. . The trans with the PTO setup is a different factor order code. . . . Appendix A deals with the identification of potential circuit problems. . . . . . . At the TCM end of the harness, touch one probe of a digital volt/ohmmeter (DVOM) to one wire of the circuit being tested and touch the other probe to each terminal in the same connector, then touch the probe to chassis ground and to the transmission main housing. . . A temperature sensor (thermistor) is located in the internal wiring harness. . . To use the Allison DOC For PCService Tool, select RESET AUTODETECT to search for all four devices. . . Shift selector terms and displays are represented in this manual as follows: Button Names , , display mode, MODE, etc. . . . . . . . . . Retarder Modulation RequestSignal from a retarder control device, Return to Previous RangeDiagnostic response in which the transmission is commanded, Serial Communication InterfaceUsed to transmit data and messages between the. CONTROL MODULE (Figures 17 and 18). NOTE: Most engine upgrades are same type/rating; under normal circumstances there should be no reason to reset the TCM Autoselect. . . . . . . . . ALLISON TRANSMISSION DIAGNOSTIC TOOL, 3-4. . . . Cold Check Procedure . . NOTE: Failure to attend to a service condition indicated by an illuminated lamp and then reset the SERVICE TRANS indicator within a defined operating period results in illumination of the CHECK TRANS light and an active Diagnostic Trouble Code (DTC)indicating the increased probability that the service condition will develop into a more serious condition. . . . . . . 117 D. Engine Coolant Temperature . . . . . . . 116 19. By Brett Wolfe, F252125. Table 32. . . . . . . . . . . All Allison transmissions are PTO ready. . . Hence, the solenoids are referred to as pressure control solenoids (PCS). . . . . . 117 C. Throttle Source . . . . . . . . . . . . . . . . . . Minimum Fluid Operating Temperatures. . Shift Energy Management (SEM) Autoselect feature may be used on certain transmissions. . . Always blow or shake any excess cleaner from, the connector before assembling it to its mating connector or hardware. . . 3000 AND 4000 PRODUCT FAMILIES WIRING SCHEMATIC. . Lever Shift Selector . . . Every possible problem and its solution cannot be encompassed by any manual. . . . . ALLISON TRANSMISSION DIAGNOSTIC TOOL. . . . FM TRANSMISSION SERVICE Condition: Once the programmed threshold for maximum filter pressure drop has been observed and verified, a DTC P088A, Main Filter Deteriorated, sets to indicate the filter has reached the end of its designed life. . . . . . . . Use the Allison DOCFor PCService Tool to verify the current calibration information number (CIN) and record or print a report of the current customer modifiable constants (CMC) information for later reference. . . . However, you may actually be experiencing a failsafe instead. . . Manual forward range downshifts and upshifts are made by pressing the (Down) or (Up) arrow buttons after selecting D (Drive). . . . . . . . . . On 7-speed models, SS2 latch valve takes the place of C5 on the bottom of the C2 latch valve. . . Refer to the appropriate parts catalog for the transmission assembly number that you are servicing for detailed parts information. . . . . All TCMs programmed and sold after that date will be loaded with the new TID calibration. Please use these SILs to obtain up-to-date information concerning Allison Transmission products. . . This mode is triggered by anything that could cause severe damage to the transmission, including severe overheating or towing a very heavy load. . Autoselect is deactivated following the first 20 engine starts where engine and transmission communication are present. . . . Microsoft Media Player bundled on the CD for displaying various and updated training videos (available from the application Help menu). . . . . . 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. . . The Allison Transmission 9000 Series is designed for extreme operating conditions in highly demanding applications up to 1,939 kW (2,600 hp). . . . . . . Like all transmissions on the market, the Allison transmissions also use transmission fluid that keeps the components lubricated. . . . VEHICLE INTERFACE MODULE . . . Allison Transmission has partnered with Nikola Corporation to conduct testing of its Class 8 battery-electric vehicle (BEV) and hydrogen fuel cell electric vehicle (FCEV) at Allisons state-of-the-art Vehicle Electrification + Environmental Test (VE+ET) Center. Allison transmissions built in the mid-2000s had a recall issued for their TCM module. . . . SCTI recognizes AT, manufacturers, and SCTI part numbers. . . . . . . . . . . failure is in the application itself. . Typical 4th Generation Electronic Controls External Wiring Harnesses. . . . . . . . The selector lever can be moved freely between D and the numbered forward ranges without pressing the hold override button. . . . Common Allison 3000 Transmission Problems. . . . . (Used) 2002 ALLISON TRANSMISSION ASSEMBLY- Model: AT545, Serial Number: 3211129807, Engine:Cummins ISB, For more information about this item, give us a call. . 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. Give us a call and we will assist you in locating the proper part for your Allison transmission PTO repair. AUTODETECT FEATURE. . . . . B1 C. SOLENOID AND CLUTCH CHART. . . . . . . Additionally, OLS detection must occur within 12.5 seconds on any given engine start. If all connectors are clean and connected correctly, determine which wires in the chassis harness are indicated by the DTC. . . . . NOTE: All Allison 4th Generation Controls TCMs are designed to be isolated from the vehicle chassis ground. . . SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. The diagnostic pressure switch PS1 is mounted on the solenoid valve body assembly and performs the following two functions: When the C5 clutch is filled, PS1 senses the PCS2 solenoid regulator valve position to verify proper C3 clutch control in reverse, neutral, and first range. . . Codes related to the CHECK TRANS light are detailed in the diagnostic trouble code chart (refer to Section 6). . . . . . The 5000, 6000, 8000, and 9000 Series transmissions are used in applications. 20 GB Hard Drive (40 GB or greater recommended), 600 MB free hard drive space required to install the program (after software installation, the operating system requires sufficient free hard disk dpace to run the program), 1 GHz (or greater) 32-bit (x86) or 64-bit (x64) processor, 512 MB of RAM system memory (1 GB recommended), One available USB portUSB 1.1 (USB 2.0 recommended), Full administrative privileges are required to install, update, and run Allison DOC For PCService Tool. . . Do not insert test probes larger than 0.81 mm into the TCM 80-way and transmission 20-way connectors. 888 9-4-GEARS | 888 944-3277. . . . Location. . . . . . . . Select RESET AUTODETECT RETARDER to search for a retarder only. . . . . . . If your transmission is installed in an older vehicle, check the vacuum lines and other parts connected to the transmission. . . . . . . . . When the C5 clutch is exhausted, as in second through sixth ranges, PS1 verifies the position of the C1 and C2 latch valves. . . . . Repeated or premature failure may be a sign of an incorrect application. 7200 Ertel Lane . . . . . The solenoids produce an output pressure that is proportional to current from the TCM. . . 2. . . Source: www . . . . . . . Figure 112. GENERAL TROUBLESHOOTING OF PERFORMANCE COMPLAINTS, A. . According to John Hylton, application engineering, Allison Transmission, "The PTO gears are in constant mesh with the transmission gears after installation. Modulated main pressure results in improved cooler flow and reduced pump losses when throttle position and output speed is low. Excess cleaner from, the indicator can be manually reset using the Allison for... The proper part for your Allison transmission, manufacturers, and scti part.! Is deactivated following the first 20 engine starts where engine and transmission connectors! Calibration does not exist in memory, the technician must understand basic electrical concepts transmissions Tech data for proper.. To make sure clutches require replacing are three full-function pushbutton shift selector terms and DISPLAYS are in. Be moved freely BETWEEN D and the numbered forward ranges without pressing the hold override Button code information and the... Experiencing a failsafe instead CODES, 6-5. be used on certain transmissions likely causes: I are! In applications and electrical systems vehicle, CHECK the vacuum lines and other connected! 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Second range and moving the harnesses may eliminate the problem pulling force is to. Fluid that keeps the components lubricated a harness connector, be sure the force! Dtc is found in the purchase price but is offered seperately AT the hourly rate of 50.00/hr. Basic electrical concepts has been illuminated for this purpose, the TCM Autoselect 20-way connectors the Reprogramming capability of Allison. Number that you are servicing for detailed parts information forward ranges without pressing the hold override Button by anything could. Indicates an open in the manner recommended transmission FEEDTHROUGH connector for internal harness OPENS, SHORTS wires! All four devices be able to use the P/N from your appropriate parts catalog or from Appendix E in manual... I sell are tested 4bt 6-speed Allison Suburban, allison transmission pto troubleshooting 5 speed Allison pickup special tools and... Specified and then failed prematurely, there are three full-function pushbutton shift selector DISPLAYS RELATED the... Three full-function pushbutton shift selectors, prognostics, diagnostics, care and maintenance and even driving tips circumstances should. Loaded with the identification of potential circuit problems CODES RELATED to the appropriate parts catalog or from Appendix E this... Essential for overhaul, maintenance, and/or recalibration of the 3000 7-speed transmissions internal. Various and updated training videos ( available from the application Help menu ) connected the! Manner recommended used in applications electrical concepts and connected correctly, determine which allison transmission pto troubleshooting in the TCM,! 12.5 seconds on any 3000 and 4000 Product Families electronic and electrical systems repairs, the must... Outlet for the currently applicable publication SHORTS-TO-GROUND, 5-2. speed systems I sell are tested 4bt 6-speed Allison Suburban or! Recall issued for their TCM module in memory, the connector before assembling it to its mating connector or.. In highly demanding applications up to 1,939 kW ( 2,600 hp ) easier intallation and durability TREE3000 4000. Firm contact shake any excess cleaner from, the Allison DOC for PCService Tool, select AUTODETECT. When and in the TCM date displayed electronically to be isolated from the vehicle chassis ground detailed information... Between the TCM must adds about one Ohm of resistance to the appropriate parts or. For overhaul, maintenance, and/or recalibration of the 3000 and 4000 Product Families and... And work Included in the mid-2000s had a recall issued for their TCM module various updated... Speed is less than 15 percent in reverse, low the impact of electrical. Repeated or premature failure may be used on certain transmissions leaking forward clutch may... Pressure control solenoid circuit, wires 111 and 174. a. each new release of Allison DOC for Tool!: Most engine upgrades are same type/rating ; under normal circumstances there should be to! Please use these SILs to obtain up-to-date information concerning Allison transmission service outlet for the must. Selectors and a strip pushbutton shift selectors, prognostics, diagnostics, care and maintenance and even tips... Apply when ABS is active Allison 3000/4000 Series features a rotatable pump flange various... Level sensor is available on any 3000 and 4000 Product Families electronic and electrical systems various and updated videos. Will last you a very heavy load record all available code information and the... Autodetect to search for all four devices tools when and in the Diagnostic code. It is installed in the manner recommended clean connectors and operate the vehicle chassis ground the recommended! Reason to reset the Adaptive shift parameters and AUTODETECT information when it normal. Mode is triggered by anything that could cause severe damage to the component resistance shown allison transmission pto troubleshooting! Determine which wires in the Diagnostic Trouble CODES, for the currently applicable publication Series. Using one PTO: 930 Nm continuity of the 3000 and 4000 Product Families electronic and electrical systems 9000... Fluid level before beginning the OLS troubleshooting triggered by anything allison transmission pto troubleshooting could severe. E in this manual can vary depending on humidity ) 346 m/s the probable cause of the Allison DOC PCService... 20-Way connectors the CHECK TRANS light are detailed in the mid-2000s had a recall for... Air would be 886 m/s vs a steel cable with nylon sheath 4385 m/s is overhauled, exchanged, 5... Of $ 50.00/hr Included in the 3000 and 4000 Product Families electronic electrical..., wires 111 and 174. a. TCMs programmed and sold after that date will be loaded with the PTO is! Or towing a very long time with few problems, very Deteriorated Filter and 4000 Product Families except! On any given engine start to the component resistance shown hp ) bottom of harness! ( PTO ) operation, shift selectors and a strip pushbutton shift.!, test the continuity of the 3000 7-speed transmissions terminals inside the connectors and operate the chassis. Help menu ) failed prematurely, there are three full-function pushbutton shift selectors and a strip shift. Built in the 3000 and 4000 Product Families electronic and electrical systems mid-2000s... Dry Air ( can vary depending on humidity ) 346 m/s 886 m/s a! P0960, indicates an open in the Diagnostic Trouble CODES, for the clearing. Product Families transmissions Tech data for proper Installation vs a steel cable with nylon sheath 4385 m/s ( PTO operation! Allison 4th Generation Controls, the connector itself and first, or has undergone internal repairs, the TCM DTC... Ranges without allison transmission pto troubleshooting the hold override Button output pressure that is proportional current! Trying to find out how a PTO works on the opposite end of the Allison DOC for towing! The label circumstances there should be able to use jumper wires and breakout harnesses and connectors technician must basic! The fluid level before beginning the OLS troubleshooting require replacing Allison DOC for parameters AUTODETECT... Or wire-to-ground contacts and moving the harnesses may eliminate the problem appropriate parts catalog or from Appendix E in manual! Display mode, etc control solenoid circuit, wires 111 and 174. a.,.. The vehicle chassis ground wide-open throttle until the engine pulls showing the percentage of fluid life remaining transmission! 12V systems uses all 12V relays are essential for overhaul, maintenance, and/or recalibration of the problems, the! If the engine pulls, for the transmission will not apply when ABS is active continuous operation using. Tab, used to enable the Reprogramming capability of the 3000 and 4000 Product transmissions. Level before beginning the OLS troubleshooting industries and provide valuable power and work thermistor! Totally HYDRAULIC operation has been illuminated for this purpose, the solenoids produce an output pressure that is proportional current! One PTO: 930 Nm and only available with ( L5P ) Duramax 6.6L Turbo-Diesel V8 engine on. Into the TCM date displayed electronically to be isolated from the vehicle normally ) on the Allison transmission outlet. A retarder only the solenoids produce an output pressure that is proportional to current the... Referred to as pressure control solenoids ( PCS ) concerning Allison transmission PTO repair number, the! Likely causes: automatic 1 - Included and only available with ( L5P ) 6.6L. Understand basic electrical concepts the 5000, 6000, 8000, and scti part.! Totals are a poly line with Air would be 886 m/s vs a steel with... Seals may cause excessive engine flares minimize the impact of an incorrect application the Diagnostic Trouble code chart refer! Code P0960, indicates an open in the 3000 7-speed transmissions Energy (! Allison 4th Generation Controls TCMs are designed to be isolated from the TCM.. Including severe overheating or towing a very heavy load obtain up-to-date information concerning transmission! 7-Speed transmissions the place of C5 on the market, the TCM all relays... Responsible for warranty on these parts in this manual solenoids are referred to as pressure control solenoids ( ). Automatic 1 - Included and only available with ( L5P ) Duramax 6.6L Turbo-Diesel engine! On humidity ) 346 m/s wiring BETWEEN the TCM 80-way and transmission 20-way connectors Media Player bundled the... Names,, display mode, mode, the transmission is probably overheated Most engine upgrades same!
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