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 DTC will set if any of the following cases is detected for about 2.5 ms:

Invalid States

Ignition 0	Ignition 1	Crank State
Off	Off	True
Off	On	False
Off	On	True
On	Off	True