DTC P1887 Cadillac
Electric Rear Defrost
Electric Rear Defrost
Description
The system voltage must be between 9-16 volts.
Cause and Solution
The BCM detects a short to battery positive voltage in the DEFOG relay control circuit when the BCM is trying to energize the relay.The BCM detects that the DEFOG relay control circuit is open.The condition above must be present for more than 1 second.
Video Guide
Diagnostic Info
- DTC Code: P1887
- Brand: Cadillac