Diagnostic Aids
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect for the addition of aftermarket components.
- Inspect all wiring harnesses carefully for chaffs and proper routing.
- This circuit is monitored every 3 milliseconds. If the exhaust valve solenoid is found to shorted to battery for 10 milliseconds the code will be stored as current.