P06A4
Sensor Reference Voltage D Circuit Low
Generic code
Computer Output Circuit
High severity
Hard repair
Free on OBD DashX
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What P06A4 means
- Any component of the car is faulty
Possible symptoms
- Smell of rotten egg from exhaust pipe
- Possible higher fuel consumption
Possible causes
- Faulty Engine Control Module (ECM)
- ECM harness is open or shorted
- ECM circuit poor electrical connection
- Shorted sensor on 5 volt circuit
Related parts
- Engine Control Module (ECM): ECM is the part of the car computer that controls the engine system and performance. Problems lead to poor fuel economy, engine stalling & unwanted engine vibrations
Possible solutions
- Check wirings and plugs
- Replace fan relay
Free on OBD DashX
P06A4 on OBD DashX
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