Conditions for Setting the DTC
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 above conditions are met and either of the following conditions occur for 4.3 out of 5 seconds.
- The PCM commands the 2-3 SS valve ON, and the voltage input remains high, B+.
- The PCM commands the 2-3 SS valve OFF, and the voltage input remains low, 0 volts.