Section 358 (Automatic Transmission - 6T50 (M2D) - Diagnostic Information And Procedures)
WARNING: This page is about a different car, the 2017 GMC Acadia. 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
- DTC P0634: Control Module Overtemperature
- DTC P0658 or P0659: Actuator High Control Circuit Group 1 Low/High Voltage
- DTC P0667, P0668, or P0669: Control Module Temperature Sensor
- DTC P06AC, P06AD, or P06AE: Control Module Power Up Temperature Sensor
- DTC P0711-P0713: Transmission Fluid Temperature Sensor
- DTC P0716, P0717, P07BF, or P07C0: 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 P0722, P0723, P077C, or P077D: 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 DIC/DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P0741 or P0742: Torque Converter Clutch (TCC) System Stuck - Transmission Hydraulic/Mechanical Performance
- DTC P0751 or P0752: Shift Solenoid Valve 1 Performance - Stuck - Transmission Hydraulic/Mechanical Performance
- DTC P0776 or P0777: Pressure Control Solenoid Valve 2 Stuck - Transmission Hydraulic/Mechanical Performance
- DTC P0796 or P0797: Pressure Control Solenoid Valve 3 Stuck - Transmission Hydraulic/Mechanical Performance
- DTC P0815, P0816, or P0826: Upshift/Downshift 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 Control Circuit Low/High Voltage
- DTC P171A-P171C: Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit
- 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
- Component Testing
- Repair Instructions
- DTC P171D: Transmission Fluid Pressure Accumulator System Performance
- DTC P1761: Up and Down Shift 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
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P1876: Up and Down Shift Enable Switch Circuit Low Voltage
- DTC P2714 or P2715: Pressure Control Solenoid Valve 4 Stuck - Transmission Hydraulic/Mechanical Performance
- DTC P2719-P2721: Pressure Control Solenoid Valve 4
- DTC P2723 or P2724: Pressure Control Solenoid Valve 5 Stuck - Transmission Hydraulic/Mechanical Performance
- 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
- Transmission Adaptive Values Learn
- Manual Mode or Tap Up/Down Diagnosis
- 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
- Harsh Downshift
- No Torque Converter Clutch Apply
- No Torque Converter Clutch Release
- No Reverse Gear
- Fluid Pressure High or Low