P06AC
Control Module Internal Temperature Sensor B Range or Performance
Same as P0667 on internal sensor B.
Same as P0667 on internal sensor B.
Common causes
- high
Sensor element drifted
One of the most commonly reported causes for this code — check this first.
Typical part cost: $440-2200
See all causes + fix costs
Create a free Wrenchify account to unlock the rest for P06AC.
Unlock causesFree forever · No credit card
First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
Get the full step-by-step diagnosis
Create a free Wrenchify account to unlock the rest for P06AC.
Unlock diagnosisFree forever · No credit card
Related codes
See related trouble codes
Create a free Wrenchify account to unlock the rest for P06AC.
Unlock related codesFree forever · No credit card
Frequently asked questions
What does P06AC mean?
P06AC means "Control Module Internal Temperature Sensor B Range or Performance". It is a generic OBD-II code that points to a fault in the computer & auxiliary output controls.
What are the most common causes of P06AC?
sensor element drifted — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
Get the full P06AC diagnosis for your vehicle
Year, make, model + step-by-step repair help — free plan included.