P06AB
Control Module Internal Temperature Sensor B Circuit
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring and connections of the control module internal temperature sensor
- Replace the control module internal temperature sensor
- Inspect and clean the control module to ensure proper cooling
- Check the functionality of other sensors related to the control module temperature
- If all else fails, consider replacing the control module itself
Common causes
Most likely first
- Faulty control module internal temperature sensor
- Poor electrical connection or wiring issues related to the control module internal temperature sensor
- Faulty control module
- Overheating of the control module
- Software or firmware issues with the control module
How to diagnose & fix
Work through it in order
- Engine hesitation or misfires
- Engine stalling or idling inconsistently
- Decreased fuel efficiency
- Check Engine Light (CEL) illuminated on the dashboard
- Vehicle overheating
Read & clear P06AB yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.