B1335 0B
WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
- 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
- Driver seat lumbar horizontal motor
- Clear the diagnostic trouble code.
- Ignition OFF, disconnect the harness connector at the appropriate seat or lumbar motor for which the DTC set.
- Ignition ON, operate the motor adjuster switch in both directions. DTC B1335 0B should not set.
- If the DTC sets, test for a short between the appropriate motor control circuits listed below. If the circuits test normal, replace the MSM.
- Driver seat front vertical motor terminal 2 X1 and terminal 5 X1
- Driver seat horizontal motor terminal 3 X1 and terminal 6 X1
- Driver seat rear vertical motor terminal 1 X1 and terminal 4 X1
- Driver seat recline motor terminal A and terminal B X1
- Driver seat lumbar horizontal motor terminal A and terminal B
- If the DTC sets, test for a short between the appropriate motor control circuits listed below. If the circuits test normal, replace the MSM.
- Test the appropriate control circuits listed below for a high resistance.
- Driver seat front vertical motor terminal 2 X1 and terminal 5 X1
- Driver seat horizontal motor terminal 3 X1 and terminal 6 X1
- Driver seat rear vertical motor terminal 1 X1 and terminal 4 X1
- Driver seat recline motor terminal A and terminal B X1
- Driver seat lumbar horizontal motor terminal A and terminal B
- If all circuits test normal, test or replace the appropriate seat or lumbar motor.