Conditions For Setting DTC
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM detects a voltage out of tolerance condition on the 5-volt reference 2 circuit.
- The above condition is present for longer than 10 seconds.