Multi-code OBD2 diagnosis
Enter all the codes your scanner showed, not just the first one. We give you the overall severity, whether you can keep driving, the order in which to check them and how they relate to each other.
Summary
- Overall severity
- Low
- Can I keep driving?
- Yes, no immediate risk
- Estimated cost
- $50 to $400
- Codes analyzed
- 1 of 1
The order below is the recommended one: first the codes that can cause the others. After each repair, clear the codes and check which ones come back.
Order of inspection
P0036 HO2S Heater Control Circuit (Bank 1 Sensor 2) Low
The P0036 code is the same heater circuit fault as P0030, but for the sensor behind the catalytic converter. Its location under the vehicle changes the odds: rubbed wiring, a connector full of water and salt corrosion count as much here as the sensor heater element itself.