Section 424 (Automatic Transmission - 6T75 (M7V M7X) - Diagnostic Information And Procedures)
WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnostic Information and Procedures
- DTC P0601, P0603, P0604, or P062F: Control Module Memory
- DTC P0634: Control Module Overtemperature
- DTC P0658 or P0659: Actuator High Control Circuit Group 1
- DTC P0667, P0668, or P0669: Control Module Temperature Sensor
- DTC P06AC-P06AE: Control Module Power Up Temperature Sensor
- DTC P0711-P0713: Transmission Fluid Temperature Sensor
- DTC P0716 or P0717: Input Speed Sensor
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P071A: Transmission Tow Mode Switch
- DTC P0722 or P0723: Output Speed Sensor
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P0741 or P0742: Torque Converter Clutch (TCC) System
- DTC P0751 or P0752: Shift Solenoid Valve 1 Performance
- DTC P0756: Shift Solenoid Valve 2 Performance
- DTC P0776 or P0777: Pressure Control Solenoid Valve 2 Stuck
- DTC P0796 or P0797: Pressure Control Solenoid Valve 3 Stuck
- DTC P0815, P0816, or P0826: Up and Down Shift Switch
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P0851: Park/Neutral Position Switch Circuit Low Voltage
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P0961-P0963: Line Pressure Control Solenoid Valve
- DTC P0965-P0967: Pressure Control Solenoid Valve 2
- DTC P0969-P0971: Pressure Control Solenoid Valve 3
- DTC P0973 or P0974: Shift Solenoid Valve 1
- DTC P0976 or P0977: Shift Solenoid Valve 2
- DTC P1761: Up and Down Shift Switch Signal Message Counter Incorrect
- DTC P1762: Transmission Mode Switch Signal Message Counter Incorrect
- DTC P182E or P1915: Internal Mode Switch
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P2714 or P2715: Pressure Control Solenoid Valve 4 Stuck
- DTC P2719-P2721: Pressure Control Solenoid Valve 4
- DTC P2723 or P2724: Pressure Control Solenoid Valve 5 Stuck
- DTC P2728-P2730: Pressure Control Solenoid Valve 5
- DTC P2762, P2763, or P2764: Torque Converter Clutch (TCC) Pressure Control Solenoid Valve
- Symptoms - Automatic Transmission
- Control Solenoid Valve and Transmission Control Module Assembly Inspection
- Control Solenoid Valve and Transmission Control Module Assembly Input Shaft Speed/Output Shaft Speed Input Test
- Control Solenoid Valve and Transmission Control Module Assembly Solenoid Performance Test
- Reset Transmission Adapts
- Transmission Fluid Level and Condition Check
- Line Pressure Check
- Road Test
- Torque Converter Diagnosis
- Torque Converter Stator
- Poor Acceleration at Low Speed - Stator Roller Clutch Freewheels at All Times
- Poor Acceleration at High Speed - Stator Roller Clutch is Locked Up at All Times
- Torque Converter Bearing Noise
- Torque Converter Clutch
- Torque Converter Clutch Shudder
- If Shudder Occurs During TCC Apply, Release, and ECCC
- If Shudder Occurs After TCC has Locked
- Torque Converter Vibration Test
- Indexing Torque Converter
- Clutch Plate Diagnosis
- Engine Coolant/Water in Transmission
- Fluid Leak Diagnosis
- Case Porosity Repair
- Bushing and Mating Shaft Inspection
- Noise and Vibration Analysis
- Whine/Growl Noise
- Automatic Transmission Fluid Leaks
- Shift Indicator Indicates Wrong Gear Selection
- No Park
- Harsh Garage Shift
- No Drive in All Ranges
- No First and Reverse Gears
- No First, Second, Third, and Fourth Gear
- No Second and Sixth Gear
- Harsh or Late First, Second, Third, and Fourth Shift
- Harsh First and Reverse Shift
- No Third, Fifth, and Reverse Gear
- Harsh or Late Second and Sixth Shift
- No Fourth, Fifth, and Sixth Gear
- Harsh or Late Third, Fifth, and Reverse Shift
- Harsh Fourth, Fifth, and Sixth Shift
- No Torque Converter Clutch Apply
- No Torque Converter Clutch Release
- Harsh Torque Converter Clutch Apply, or Inoperative or No Electronically Controlled Capacity Clutch Control
- No Reverse Gear
- Fluid Pressure High or Low