Test Description
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The number below refers to the step number on the diagnostic table:
- 2. Performing solenoid tests determines if there is a mechanical malfunction inside the BPMV.
Perform dump valve solenoid tests for DTC C0269 or isolation valve solenoid tests for DTC C0274.