Conditions for Running the DTC
WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Conditions 1
- Before the ECM can report DTC P0135 failed, DTCs P0030, P0031, P0032, P0101, P0102, P0103, P0121, P0122, P0123, P0130, P0131, P0132, P0221, P0222, P0223, P0335, P0336, P0338, P167A, P2243, and P2251 must run and pass.
- DTCs P0053, P2237, and P2626 are not set.
- The ignition 1 voltage is between 10.5-18 volts.
- The engine coolant temperature (ECT) is more than -10° C (14° F) at start up.
- The calculated exhaust temperature is more than 550° C (1022° F).
- The HO2S is at operating temperature.
- The ECM internal sensing element resistance test is enabled.
- DTC P0135 runs continuously once the above conditions are met.
Conditions 2
- Before the ECM can report DTC P0135 failed, DTCs P0030, P0031, P0032, P0101, P0102, P0103, P0121, P0122, P0123, P0130, P0131, P0132, P0221, P0222, P0223, P0335, P0336, P0338, P167A, P2243, and P2251 must run and pass.
- DTCs P0053, P2237, and P2626 are not set.
- The ignition 1 voltage is between 10.5-18 volts.
- The engine coolant temperature (ECT) is more than -10° C (14° F) at start up.
- The calculated exhaust temperature is more than 550° C (1022° F).
- The HO2S is at operating temperature.
- The ECM internal sensing element resistance test is enabled.
- The fuel injectors are not disabled.
- If the engine is operating and then the ignition is turned OFF, the engine must be OFF for at least 5 minutes before the next start-up for the diagnostic to run.
- DTC P0135 runs continuously once the above conditions are met.