Conditions for Setting the DTC
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The ECM detects the following:
- The calibrated amount of engine run time has been met.
- The calibrated amount of fuel has been burnt.
- The calibrated ECT of 72°C (162°F) has not been met.