Oxygen sensor DTC P0036 will not go away.

[deepstuff]

Had DTC P0036, Replaced drivers side post Cat sensor and reset DTC. P0036 keeps coming back.

 

 

’07 new body style 6.0L Vmax

[Duelin]

Have you check your wiring real close? If not double check it.

 

P0036 GM’s Definition

 

HO2S heater control circuit sensor 2

– The ECM detects an open in the heater circuits of the HO2S when the heater is commanded off

 

Probable Cause

 

1. Poor electrical connection

2. Open or short circuit condition

3. HO2S

4. ECM

 

 

 

P0036 Generic Definition

 

O2 (Oxygen Sensor) Heater condition-Check repair resource for sensor location identification

– The powertrain control module controls the electrical circuit for the oxygen sensor heater. The computer has recognized a failure in this circuit.

 

Probable Cause

 

1. Check circuit fuse

2. Relay defective

3. Check circuit wiring