P0351 Volkswagen Code - Ignition Coil 1 Primary/Secondary Circuit
Quick Answer
The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 1, Ignition Coil 1 harness is open or shorted, Ignition Coil 1 circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0351 Volkswagen indicates Ignition Coil 1 Primary/Secondary Circuit.
- Common causes
- Common causes include Faulty Ignition Coil 1, Ignition Coil 1 harness is open or shorted, Ignition Coil 1 circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0351 Volkswagen Description
What are the Possible Causes of the DTC P0351 Volkswagen?
- Faulty Ignition Coil 1
- Ignition Coil 1 harness is open or shorted
- Ignition Coil 1 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0351 Volkswagen?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0351 Volkswagen code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0351 Volkswagen Code
What does the OBDII code P0351 mean for a Volkswagen?
P0351 indicates an issue with the ignition coil 1's primary or secondary circuit, which could affect engine performance.
What are the common symptoms of P0351 in a Volkswagen?
Symptoms include engine misfires, rough idling, reduced power, poor fuel economy, and possibly a check engine light.
What causes the ignition coil 1 circuit fault in a Volkswagen?
Common causes include a faulty ignition coil, damaged wiring or connectors, a malfunctioning PCM, or issues with the ignition coil driver circuit.
Can I drive my Volkswagen with the P0351 code?
While the car may still run, driving with this code can lead to further engine damage and reduced performance. It's best to address the issue promptly.
How do I diagnose the P0351 code in my Volkswagen?
Diagnosis involves inspecting the ignition coil, checking for damaged wiring or loose connections, and testing the coil's resistance with a multimeter.
How do I fix the P0351 code on a Volkswagen?
Typical fixes include replacing the faulty ignition coil, repairing or replacing damaged wiring, or addressing PCM-related issues.
Can a bad spark plug cause P0351 in a Volkswagen?
While uncommon, a bad spark plug or incorrect gap can indirectly stress the ignition coil and contribute to this code.
How much does it cost to repair the P0351 code on a Volkswagen?
Repair costs vary but could range from $100-$300 for ignition coil replacement, depending on parts and labor rates.
Is P0351 specific to ignition coil 1 on a Volkswagen?
Yes, P0351 specifically refers to ignition coil 1's primary or secondary circuit, so the issue is isolated to that coil.
Can a failing PCM trigger the P0351 code in a Volkswagen?
Yes, a malfunctioning PCM can fail to properly control the ignition coil circuit, leading to this code.
Discuss the causes and fixes for P0351 Volkswagen OBDII Code
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