P06D4
Generic code
Free on OBD DashX
Want real-world data on P06D4?
See which problems come with P06D4, how often it shows up in other vehicles, and how to fix it — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
What P06D4 means
- Sensor Reference Voltage E Circuit High
Possible symptoms
- Check the wiring harness for any damages or loose connections.
- Inspect and replace the sensor reference voltage E circuit if necessary.
- Clean or replace the connector terminals for the sensor reference voltage E circuit.
- Clear the error codes and monitor if the error code reoccurs.
Possible causes
- Faulty sensor reference voltage regulator
- Short or open circuit in the sensor reference voltage circuit
- Faulty engine control module (ECM) or powertrain control module (PCM)
- Malfunctioning sensor or sensor connector
- Wiring issue or loose connection in the sensor reference voltage circuit
Possible solutions
- Engine misfires or runs rough
- Loss of power or hesitation during acceleration
- Poor fuel economy
- Check Engine Light illuminates
- Limited or no response from throttle input
Free on OBD DashX
P06D4 on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P06D4 No sign-up needed · available in 10 languagesScan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.