Circuit/System Testing: P0326
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.
- Inspect for a loose or broken vehicle accessory or accessory bracket.
- Inspect for excessive engine mechanical noise.
IMPORTANT:
If DTC P0325, P0327, P0328, P0330, P0332, P0333, P0335, or P0336 are also set, diagnose those DTCs first.