P0351
Ignition Coil A Primary Control Circuit/Open
P0351 is an OBD-II diagnostic trouble code meaning: Ignition Coil A Primary Control Circuit/Open. Common causes: open or short circuit in wiring harness, ignition coil malfunction. Estimated repair cost: $56–167.
Symptoms
- Misfires
- Reduced engine power
- Increased fuel consumption
- Rough engine idling
- Check Engine Light Illuminates
Causes
- Open or short circuit in wiring harness
- Ignition coil malfunction
- Problems with coil or ECU connectors
- Malfunction of the engine control unit (ECU)
How to Fix
- Check wiring harness for open or short circuit
- Check the coil and ECU connectors for oxidation or damage
- Check the ignition coil and replace if necessary
- Check the operation of the ECU (rarely)
Related codes
Error P0351 by Vehicle Brand
FAQ
What does the P0351 code mean?
P0351 is an OBD-II diagnostic trouble code that indicates: Ignition Coil A Primary Control Circuit/Open
What causes a P0351 error code?
The most common causes of P0351 include: Open or short circuit in wiring harness; Ignition coil malfunction; Problems with coil or ECU connectors; Malfunction of the engine control unit (ECU).
How do I fix a P0351 diagnostic trouble code?
To fix P0351: Check wiring harness for open or short circuit. Check the coil and ECU connectors for oxidation or damage. Check the ignition coil and replace if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0351?
Limited driving only, diagnose soon
How much does it cost to fix P0351?
The estimated repair cost for P0351 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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