Q: P0038

asked by on

I got the code P0038. And it says heater oxygen sensor heater control circuit high bank 1 sensor 2. What does that mean? What needs to be fixed ?

My car has 128099 miles.
My car has an automatic transmission.

This code is triggered when there is excessive voltage detected in the heated oxygen sensor circuit. This may cause the oxygen sensor to produce faulty readings resulting in improper air/fuel adjustments to be made by the computer. I would suggest having a professional from YourMechanic come to your location to diagnose and inspect your vehicle.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Car squeaking when first starting

If your car is squeaking on cold starts, then that is a sign that there may be a problem with one or more of the engine's belts, or pulleys. If a belt becomes excessively worn, it will eventually begin to...

Q: I. Have a. Sonata 2011. It accelerate. But dont adcance went im driving it it gave me a throttle body code

The throttle body trouble code may be a key clue but the components, system and wiring referred to in the trouble code have to be individually diagnosed (the code itself is not a diagnostic or "result", but rather the code...

Q: Window trim might be melting from sunlight

Greetings and thank you for writing in with this question! If this concern is related to the rear quarter glass, Toyota released a Technical Service Bulletin in May 2012 (TSB 0075-12) that addresses this issue. The TSB outlines the diagnostic...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...