Circuit/System Verification
WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Clear the DTC information.
- Ignition OFF for 1 minute.
- Ignition ON.
- Retest for DTC P06AF, ECM DTC P0606, or any communication DTCs.