P06D7
Sensor Reference Voltage F Circuit Low
Generic OBD-II
Common symptoms
What you'll notice
- Check and replace the sensor reference voltage F circuit
- Inspect and repair any damaged wiring or connectors related to the sensor reference voltage F circuit
- Clear the error codes and monitor if the error code reoccurs.
Common causes
Most likely first
- Short circuit or damaged wiring in the sensor reference voltage circuit
- Low battery voltage affecting the sensor reference voltage
- Faulty engine control module (ECM) or powertrain control module (PCM)
How to diagnose & fix
Work through it in order
- Engine misfires or runs rough
- Decreased fuel efficiency
- Difficulty starting the engine
- Illuminated check engine light
- Stalling or hesitation while accelerating
Read & clear P06D7 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.