P1357 Chevrolet Code - Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 7
Quick Answer
The P1357 code for Chevrolet vehicles indicates that there is a problem with the Ignition Control Module (ICM) output being high or detecting a pulse when cylinder 7 is grounded. Common causes include Faulty Ignition Control Module (ICM), Damaged wiring or connectors in the ignition system, Malfunctioning ignition coil for cylinder 7. 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 Chevrolet indicates Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 7.
- Common causes
- Common causes include Faulty Ignition Control Module (ICM), Damaged wiring or connectors in the ignition system, Malfunctioning ignition coil for cylinder 7.
- 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.
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Code P1357 Chevrolet Description
The P1357 code for Chevrolet vehicles indicates that there is a problem with the Ignition Control Module (ICM) output being high or detecting a pulse when cylinder 7 is grounded. The ICM plays a crucial role in controlling the ignition system, which is responsible for generating the spark that ignites the air-fuel mixture in the engine cylinders. When the ICM output is high or detects a pulse when it should be grounded, it can lead to misfires, rough idling, poor fuel efficiency, and overall decreased engine performance.
Common Causes of P1357 Chevrolet
- Faulty Ignition Control Module (ICM)
- Damaged wiring or connectors in the ignition system
- Malfunctioning ignition coil for cylinder 7
- Issues with the engine control module (ECM)
- Poor electrical ground connections
Symptoms of P1357 Chevrolet
- Rough idling or engine misfires
- Decreased fuel efficiency
- Engine hesitation or stalling
- Illuminated Check Engine Light
- Lack of power or acceleration
How to Fix P1357 Chevrolet
- Use a scan tool to retrieve the trouble code and identify the specific cylinder 7 ignition issue.
- Inspect the wiring and connectors in the ignition system for any damage or corrosion.
- Test the ignition coil for cylinder 7 to ensure it is functioning correctly.
- Check the Ignition Control Module (ICM) for proper operation and replace if necessary.
- Clear the trouble code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1357 Chevrolet
The cost of repairing a P1357 code on a Chevrolet vehicle can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair cost for this type of ignition system problem can range from $200 to $500, including parts and labor. Keep in mind that diagnostic time and labor rates can influence the final cost, so it's recommended to consult with a qualified mechanic to get an accurate estimate for your specific vehicle.
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