• | The system voltage is between 9-18 volts. |
• | Road test the vehicle. Refer to Road Test . |
Malfunction of the lockup clutch.
The transmission control module (TCM) illuminates the A/T warning lamp when the diagnostic runs and fails.
The TCM turns OFF the A/T warning lamp when the diagnostic runs and does not fail.
Step | Action | Yes | No |
---|---|---|---|
1 | Did you perform the Diagnostic System Check? | Go to Step 2 | |
2 | Are any other DTCs set? | Go to Step 3 | |
3 | Disassemble transmission and repair an internal transmission fault with the lockup clutch or the control valve. Did you complete the repair? | Go to Step 4 | Go to Step 4 |
4 |
Does the DTC reset? | Go to Step 2 | System OK |