Circuit/System Verification
- Verify the transmission fluid level, color and odor is correct.
- Operate the vehicle to induce a shift from fifth to sixth gear while observing the following scan tool parameters. Perform this action 2 times.
- Clutch Pressure Control Solenoid Valve 1 Current
- Clutch Pressure Control Solenoid Valve 2 Current
- Clutch Pressure Control Solenoid Valve 3 Current
- Brake Band Pressure Control Solenoid Valve Current
- Shift Solenoid Valve 1
- Shift Solenoid Valve 2
- If the scan tool parameter does not change the proper value and no other DTCs than P0729, P0731, P0732, P0733, P0734, P0735, P0736, P0780, P1731 is set, go to CIRCUIT/SYSTEM TESTING .
- If any other DTC is set, diagnose that DTC first.