Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON.
Verify DTC U135C, or U1347 is not set.
- If any of the DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If none of the DTCs are set
Operate the vehicle within the Conditions for Running the DTC.
Verify DTC P1066 does not set.
- If the DTC sets
  Refer to Circuit/System Testing.
- If the DTC does not set
All OK