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Engine-Codes – Volkswagen – P1357 Volkswagen

P1357 Volkswagen Code - Ignition Circuit Cylinder 1 Short to Ground

Quick Answer

The P1357 diagnostic trouble code (DTC) for Volkswagen vehicles specifically refers to an issue with the ignition circuit for cylinder 1 being shorted to ground. Common causes include Damaged or corroded wiring in the ignition circuit, Faulty ignition coil for cylinder 1, Malfunctioning ignition control module. 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
P1357 Volkswagen indicates Ignition Circuit Cylinder 1 Short to Ground.
Common causes
Common causes include Damaged or corroded wiring in the ignition circuit, Faulty ignition coil for cylinder 1, Malfunctioning ignition control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1357 Volkswagen Description

The P1357 diagnostic trouble code (DTC) for Volkswagen vehicles specifically refers to an issue with the ignition circuit for cylinder 1 being shorted to ground. In simpler terms, this means that there is an electrical problem in the circuit that supplies power to the ignition system of the first cylinder, causing it to short out and connect to the vehicle's ground (negative) instead of functioning properly.

OBDII Code P1357 Volkswagen - Ignition Circuit Cylinder 1 Short to Ground
P1357 Volkswagen Code - Ignition Circuit Cylinder 1 Short to Ground

Common Causes of P1357 Volkswagen

  1. Damaged or corroded wiring in the ignition circuit
  2. Faulty ignition coil for cylinder 1
  3. Malfunctioning ignition control module
  4. Issues with the engine control unit (ECU)
  5. Poor electrical connections or grounds

Symptoms of P1357 Volkswagen

  1. Engine misfires or rough idling
  2. Poor acceleration or loss of power
  3. Difficulty starting the engine
  4. Reduced fuel efficiency
  5. Illumination of the check engine light

How to Fix P1357 Volkswagen

  1. Begin by diagnosing the exact cause of the short to ground in the ignition circuit, using a multimeter to test for continuity and voltage.
  2. Inspect the wiring for any damage, corrosion, or loose connections, and repair or replace as needed.
  3. Test the ignition coil for cylinder 1 using an ohmmeter to check for proper resistance values, and replace if faulty.
  4. Check the ignition control module and ECU for any malfunctions, and replace if necessary.
  5. Clear the DTC from the vehicle's computer using a diagnostic scan tool, and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1357 Volkswagen

The typical repair costs for addressing a P1357 code in a Volkswagen vehicle can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is recommended to check with local auto repair shops for a more accurate estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1357 Volkswagen Code

1. What are common symptoms of OBDII code P1357 in a Volkswagen related to the Ignition Circuit Cylinder 1 Short to Ground?

- Common symptoms include rough idling, engine misfires, loss of power, and the check engine light illuminating.

2. What are potential causes of OBDII code P1357 in a Volkswagen indicating an Ignition Circuit Cylinder 1 Short to Ground?

- Potential causes include a faulty ignition coil, damaged wiring or connectors, a malfunctioning ignition control module, or a short circuit.

3. How can I diagnose the issue causing OBDII code P1357 in my Volkswagen for the Ignition Circuit Cylinder 1 Short to Ground?

- You can diagnose the issue by performing a visual inspection of wiring and connectors, testing the ignition coil, checking for shorts in the circuit, and using an OBDII scanner for further diagnosis.

4. Can driving with OBDII code P1357 related to the Ignition Circuit Cylinder 1 Short to Ground cause further damage to my Volkswagen?

- It is not recommended to drive with this code as it can lead to more severe issues like catalytic converter damage, increased fuel consumption, and potential engine damage.

5. How can I repair OBDII code P1357 indicating an Ignition Circuit Cylinder 1 Short to Ground in my Volkswagen?

- Repair options may include replacing the faulty ignition coil, repairing or replacing damaged wiring or connectors, replacing the ignition control module, and clearing the code with an OBDII scanner.

6. Can I reset OBDII code P1357 related to the Ignition Circuit Cylinder 1 Short to Ground in my Volkswagen without fixing the underlying issue?

- Resetting the code without addressing the underlying issue may temporarily turn off the check engine light, but the problem will persist and likely trigger the code again.

7. Is it possible for a DIY enthusiast to fix OBDII code P1357 in a Volkswagen signaling Ignition Circuit Cylinder 1 Short to Ground?

- Depending on your skill level and access to tools, DIY enthusiasts may be able to address this issue by following repair guides, using proper diagnostic equipment, and ensuring safety precautions.

8. How much does it typically cost to repair OBDII code P1357 related to the Ignition Circuit Cylinder 1 Short to Ground in a Volkswagen?

- Repair costs can vary based on the exact cause of the issue, but expect to pay anywhere from $100 to $400 for parts and labor, with potential additional costs for diagnostic services.

9. Are there any preventive measures I can take to avoid encountering OBDII code P1357 in my Volkswagen due to an Ignition Circuit Cylinder 1 Short to Ground?

- Regular maintenance, such as checking and replacing spark plugs, ignition components, and ensuring proper wiring connections, can help prevent issues leading to this OBDII code.

10. Can a professional mechanic help me diagnose and repair OBDII code P1357 related to the Ignition Circuit Cylinder 1 Short to Ground in my Volkswagen?

- Yes, a professional mechanic with experience in automotive diagnostics can efficiently diagnose the issue using specialized tools and repair the underlying cause to resolve the code.

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