P0053 or P0054
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM detects that the affected HO2S heater low control circuit resistance is not within a specified range at engine start-up.
- DTCs P0053 and P0054 set within 1 second when the above condition is met.