Circuit/System Verification
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
- Start the Engine.
- Let the Engine run for 1 minute, then turn the key OFF for 30 seconds.
- Retest for DTCs P0601, P0602, P0603, P0604, P0606, P060B and P062F.