Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0030 or P0036
- The control module detects that the affected HO2S heater low control circuit is not within a specified range.
- DTCs P0030 and P0036 set within 3 seconds when the above condition is met.
DTC P0053 and P0054
- The ECM detects that the affected HO2S heater low control circuit is not within a specified range at engine start-up.
- DTCs P0053 and P0054 set within one second when the above condition is met.
DTC P0135
- The control module detects that the HO2S 1 heater current parameter is more than 3.125 amps or less than 0.25 amp.
- DTC P0135 sets within 30 seconds during the heater current test when the above condition is met.
DTC P0141
- The control module detects that the HO2S 2 heater current parameter is more than 1.625 amps or less than 0.25 amp.
- DTC P0141 sets within 30 seconds during the heater current test when the above condition is met.