Automatic Transmission Diagnostic Procedures
- Introduction
- Identification Of System
- System Description & Functional Operation
- General Description
- Functional Operation
- Transmission Operation And Shift Scheduling At Various Oil Temperatures
- Line Pressure Control
- Drive Learn Procedure
- Procedure To Learn A Smooth 1st Neutral To Drive Shift
- Procedure To Learn A Smooth Neutral To Drive Garage Shift
- Procedure To Learn The 1st 2-3 Shift After A Restart Or Shift To Reverse
- Procedure To Learn A Smooth 2-3 And 3-4 Upshift
- Procedure To Learn A Smooth 4-3 Coastdown And Part Throttle 4-3 Kickdown
- Procedure To Learn A Smooth 1-2 Upshift and 3-2 Kickdown
- Procedure To Learn A Smooth Manual 2-1 Pull down Shift As Well As A Neutral To Re verse Shift
- Procedure To Learn A Smooth Neutral To Reverse Shift
- Procedure To Learn A Smooth 4-5 Upshift for 545RFE
- Diagnostic Trouble Codes
- Hard Code
- One Trip Failures
- Intermittent Code
- Starts Since Set Counter
- Trouble Code Erasure
- List Of Diagnostic Trouble Codes (Detailed Descriptions)
- DTC Descriptions
- P0604, P0605, P0613 (11, 13, 16, 17 or 45) - Internal Controller
- P1684 (12) - Battery was Disconnected (Info Only)
- P0891 (14) - Relay Always On
- P0888 (15) - Relay Output Always
- P0725 (18) - Engine Speed Sensor Circuit
- P1694 (19) - BUS Communication with Engine Module
- P0706 (28) - Check Shifter Signal
- P0124 (29) - Throttle Position Sensor/APPS Intermittent; P0122 (2A) - Throttle Position Sensor/APPS Low; P0123 (2B) - Throttle Position Sensor/APPS High
- P0944 (35) - Loss Of Prime
- P1790 (36) - Fault Immediately After Shift
- P1775 (37) - Solenoid Switch Valve Latched in TCC Position
- P0740 (38) - Torque Converter Clutch Control Circuit
- P1776 (47) - Solenoid Switch Valve (SSV) Latched in L-R Position
- P1793 (48) - Torque Reduction (TRD) Link Communication Error
- P0736 (50) - Gear Ratio Error In Reverse; P0731 (51) - Gear Ratio Error In 1st; P0732 (52) - Gear Ratio Error In 2nd; P0733 (53) - Gear Ratio Error In 3rd; P0734 (54) - Gear Ratio Error In 4th; P1736 (55) - Gear Ratio Error In 2nd Prime; P0715 (56) - Input Speed Sensor; P0720 (57) - Output Speed Sensor; P1794 (58) - Speed Sensor Ground; P0735 (59) - Gear Ratio Error In 4th Prime
- P2700, P2701, P2702, P2703, P2704 (61, 62, 63, 64) - Inadequate Element Volume
- P1715 (65) - Restricted Port In T3 Range
- P0218 (75) - High Temperature Operation Activated
- P0884 (76) - Power-Up At Speed
- P0890 (80) - Switched Battery
- P0841 (81) - LR Pressure Switch Sense Circuit; P0846 (82) - 2C Pressure Switch Sense Circuit; P0871 (84) - OD Pressure Switch Sense Circuit; P0988 (88) - 4C Pressure Switch Sense Circuit; P0876 (90) - UD Pressure Switch Sense Circuit
- P0845 (A2) - 2C Hydraulic Pressure Test Failure; P0870 (A4) - OD Hydraulic Pressure Test Failure; P0987 (A8) - 4C Hydraulic Pressure Test Failure; P0875 (B0) - UD Hydraulic Pressure Test Failure
- P0750 (C1) - LR Solenoid Circuit; P0755 (C2) - 2C Solenoid Circuit; P0760 (C3) - OD Solenoid Circuit; P0770 (C4) - 4C Solenoid Circuit; P0765 (C5) - UD Solenoid Circuit; P2706 (C6) - MS Solenoid Circuit
- P0711 (7A) - Transmission Temperature Sensor Performance
- P0712 (7B) - Transmission Temperature Sensor Low
- P0713 (7C) - Transmission Temperature Sensor High
- P0714 (7D) - Transmission Temperature Sensor Intermittent
- P0868 (C9) - Line Pressure Low; P0869 (CB) - Line Pressure High; P0932 (CA) - Line Pressure Sensor Circuit Fault; P0934 (CC) - Line Pressure Sensor Low; P0935 (CD) - Line Pressure Sensor High
- EATX DTC Event Data
- Quick Learn
- Clutch Volumes
- Using The DRBIII®
- DRBIII® Error Messages
- DRBIII® Does Not Power Up (Blank Screen)
- Display Is Not Visible
- Some Display Items Read "---"
- TRANSMISSION SIMULATOR (MILLER TOOL # 8333) AND ELECTRONIC TRANSMISSION ADAPTER KIT (MILLER TOOL # 8333-lA)
- Disclaimer, Safety & Warnings
- Required Tools & Equipment
- Glossary Of Terms
- Diagnostic Information & Procedures
- Communication - Symptoms
- Transmission - RFE - Symptoms
- Notes
- Symptom: *BACKUP LAMPS COME ON WHILE SHIFTER IS NOT IN REVERSE POSITION
- Symptom: *BACKUP LAMPS INOPERATIVE
- Symptom: *BUMP FELT SHORTLY AFTER STOP NO DTC'S PRESENT
- Symptom: *BUMP FELT WHILE COASTING IN NEUTRAL WITH NO DTC'S PRESENT
- Symptom: *CHECKING PARK/NEUTRAL SWITCH OPERATION
- Symptom: *POOR SHIFT QUALITY
- Symptom: *TRANSMISSION NOISY WITH NO DTC'S PRESENT
- Symptom: *TRANSMISSION SHIFTS EARLY WITH NO DTC'S
- Symptom: *TRANSMISSION SHIFTS ROUGH AFTER TCM REPLACEMENT OR REFLASH
- Symptom: *TRANSMISSION SIMULATOR WILL NOT POWER UP
- Symptom: *VEHICLE IS SLUGGISH WITH NO DTC'S PRESENT
- Transmission - RFE - Diagnostic Tests
- Notes
- P0122-TPS/Apps Low
- P0122-TPS/Apps Low - Diesel
- P0123-TPS/Apps High
- P0123-TPS/Apps High - Diesel
- P0124-TPS/Apps Intermittent
- P0124-TPS/Apps Intermittent - Diesel
- P0218-High Temperature Operation Activated
- P0604-Internal TCM
- P0605-Internal TCM
- P0613-Internal TCM
- P0706-Check Shifter Signal
- P0711-Transmission Temperature Sensor Performance
- P0712-Transmission Temperature Sensor Low
- P0713-Transmission Temperature Sensor High
- P0714-Transmission Temperature Sensor Intermittent
- P0715-Input Speed Sensor Error
- P0720-Output Speed Sensor Error
- P0725-Engine Speed Sensor Circuit
- P0725-Engine Speed Sensor Circuit-Diesel
- P0731-Gear Ratio Error In 1ST
- P0732-Gear Ratio Error In 2ND
- P0733-Gear Ratio Error In 3RD
- P0734-Gear Ratio Error In 4TH
- P0735-Gear Ratio Error 4TH Prime
- P0736-Gear Ratio Error In Reverse
- P0740-Torque Converter Clutch Control Circuit
- P0750-LR Solenoid Circuit
- P0755-2C Solenoid Circuit
- P0760-Od Solenoid Circuit
- P0765-UD Solenoid Circuit
- P0770-4C Solenoid Circuit
- P0841-LR Pressure Switch Sense Circuit
- P0845-2C Hydraulic Pressure Test Failure
- P0846-2C Pressure Switch Sense Circuit
- P0868-Line Pressure Low
- P0869-Line Pressure High
- P0870-Od Hydraulic Pressure Test Failure
- P0871-Od Pressure Switch Sense Circuit
- P0875-UD Hydraulic Pressure Test Failure
- P0876-UD Pressure Switch Sense Circuit
- P0884-Power Up At Speed
- P0888-Relay Output Always Off
- P0890-Switched Battery
- P0891-Transmission Relay Always On
- P0932-Line Pressure Sensor Circuit Fault
- P0934-Line Pressure Sensor Low
- P0935-Line Pressure Sensor High
- P0944-Loss Of Prime
- P0987-4C Hydraulic Pressure Test Failure
- P0988-4C Pressure Switch Sense Circuit
- P1684-Battery Was Disconnected
- P1694-Bus Communication With Engine Module
- P1715-Restricted Port In T3 Range
- P1736-Gear Ratio Error In 2ND Prime
- P1775-Solenoid Switch Valve Latched In TCC Position
- P1776-Solenoid Switch Valve Latched In LR Position
- P1790-Fault Immediately After Shift
- P1793-TRD Link Communication Error
- P1794-Speed Sensor Ground Error
- P2700-Inadequate Element Volume LR
- P2701-Inadequate Element Volume 2C
- P2702-Inadequate Element Volume Od
- P2703-Inadequate Element Volume UD
- P2704-Inadequate Element Volume 4C
- P2706-Ms Solenoid Circuit
- Verification Tests
- Component Locations
- Connector PINOUTS
- Accelerator Pedal Position Sensor (Diesel) - Black 10-Way
- Brake Lamp Switch - DK Gray 6-Way
- C201 (Diesel) - White (Instrument Panel Side)
- C201 (Diesel) - White (Shifter Assembly Side)
- Crankshaft Position Sensor (Gas) - Black 3-Way
- Data Link Connector - Black 16-Way
- Engine Control Module C1 (Diesel) - Black 81-Way
- Engine Control Module C2 (Diesel) - Black 40-Way
- Input Speed Sensor (4.7L) - Black 2-Way
- Fuses (JB)
- Left Rear Lamp Assembly - Black 6-Way
- Line Pressure Sensor (4.7L) - Black 4-Way
- Output Speed Sensor (4.7L) - Black 2-Way
- Fuses (Diesel)
- Back-Up Lamp Relay (Diesel)
- Fuses (Gas)
- Transmission Control Relay (Gas)
- Powertrain Control Module C1 (Gas) - Black 32-Way
- Powertrain Control Module C2 (Gas) - White 32-Way
- Powertrain Control Module C3 (Gas) - Gray 32-Way
- Right Rear Lamp Assembly - Black 6-Way
- Shifter Assembly (Gas) - White 6-Way
- Shifter Assembly C1 (Diesel) - Black 12-Way
- Shifter Assembly C2 (Diesel) - White 6-Way
- Throttle Position Sensor (4.7L) - White 3-Way
- Transfer Case Position Sensor (Export) - Black 2-Way
- Transmission Control Module (4.7L) - Black 60-Way
- Transmission Control Module C1 (Diesel) - Black 18-Way
- Transmission Control Module C2 (Diesel) - Black 14-Way
- Transmission Solenoid Assembly (Diesel) - Black 13-Way
- Transmission Solenoid/TRS Assembly (4.7L) - Black 23-Way
- Schematic Diagrams
- Charts & Graphs