Automatic Transmission - 6T70 (M7U M7W), 6T75 (M7V), Or 6T80 (Mhm) - Diagnostic Information And Procedures
- Diagnostic Information and Procedures
- DTC P0601-P0604 or P062F: Control Module
- DTC P0634: Control Module Overtemperature
- DTC P0658 or P0659: Actuator High Control Circuit Group 1 Voltage
- 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
- DTC P0722 or P0723: Output Speed Sensor Circuit
- DTC P0741 or P0742: Torque Converter Clutch (TCC) System Stuck
- DTC P0751 or P0752: Shift Solenoid Valve 1 Performance - Stuck
- DTC P0756: Shift Solenoid Valve 2 Performance - Stuck Off - Transmission Hydraulic/Mechanical 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 Circuit
- DTC P0851: Park/Neutral Position Switch Circuit Low Voltage
- 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 Control Circuit Voltage
- DTC P0976 or P0977: Shift Solenoid Valve 2 Control Circuit Voltage
- DTC P175F: Acceleration Sensor Signal Message Counter Incorrect
- DTC P1761: Up and Down Shift Switch Signal Message Counter Incorrect
- DTC P182E or P1915: Internal Mode Switch
- 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
- 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