Conditions for Running the DTC
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
- The ignition is in the Crank or Run position.
- The ignition voltage is more than 5.23 volts.
- The communication between the TAC module and the powertrain control module (PCM) must be valid.