Circuit/System Testing
B1335 00 or B1335 0B
- Ignition ON, use a scan tool to clear the current and history diagnostic trouble code.
- Determine which motor set this DTC by operating the motors listed below one at a time in both directions. Check for the DTC to set between each motor test.
- Driver seat front vertical motor
- Driver seat rear vertical motor
- Driver seat horizontal motor
- Driver seat recline motor
- Clear the diagnostic trouble codes.
- Ignition OFF, disconnect the harness connector at the appropriate seat motor for which the DTC set.
- Ignition ON, operate the motor adjuster switch in both directions. DTC B1335 00 or B1335 0B should not set.
- If the DTC sets, test for a short between the motor control circuits. If the circuits test normal, replace the MSM.
- Test the control circuits for a high resistance. If the circuits test normal, test or replace the seat motor.
DTC B1335 42 or B1335 4B
Verify that DTC B1335 42 or B1335 4B is not set.
- If either DTC is set, replace the MSM.