DTC P1A88 Cadillac
Integral Switch Performance Short to Ground
Integral Switch Performance Short to Ground
Description
Battery voltage is between 9-16 volts and data link communications operate normally.
Cause and Solution
The HVAC control module has internal fault inside the HVAC control module for a stuck or shorted control button.
Video Guide
Diagnostic Info
- DTC Code: P1A88
- Brand: Cadillac