If the door fails to open after ECU failure, vehicleoccupants would have increased difficulty exiting the vehicle in an emergency.

Latches/Locks/Linkages — Doors — Latch

Date Announced
SEP 22, 1992
Vehicles Affected
554,910
NHTSA Campaign #
92V135000
Summary
The electronic control unit (ECU) for the power door lock system can fail, causing the contacts to "weld", and resulting in door lock solenoid damage, with failure of the door to lock or unlock, even under manual operation.
Actions
Install an additional subcircuit relay control to prevent malfunction of original relays in the ECU.
Documents (1)