P1352 GMC Code - Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 2
Quick Answer
The P1352 diagnostic trouble code for GMC vehicles indicates that there is an issue with the Ignition Control Module (ICM) output being high or pulsing when the cylinder 2 is grounded. Common causes include Faulty Ignition Control Module (ICM), Wiring issues or shorts in the ignition system, Defective ignition coil. 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
- P1352 GMC indicates Ignition Control Module Output High/Pulse Detected When Grounded Cylinder 2.
- Common causes
- Common causes include Faulty Ignition Control Module (ICM), Wiring issues or shorts in the ignition system, Defective ignition coil.
- 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 P1352 GMC Description
The P1352 diagnostic trouble code for GMC vehicles indicates that there is an issue with the Ignition Control Module (ICM) output being high or pulsing when the cylinder 2 is grounded. The ICM is a crucial component of the ignition system that controls the timing of the spark plugs' firing, ensuring optimal engine performance. When this code is triggered, it means that there is a malfunction in the ICM's output signal related to cylinder 2, which can lead to misfires, rough idling, and overall poor engine performance.
Common Causes of P1352 GMC
- Faulty Ignition Control Module (ICM)
- Wiring issues or shorts in the ignition system
- Defective ignition coil
- Engine Control Module (ECM) malfunction
- Poor electrical connections
Symptoms of P1352 GMC
- Engine misfires
- Rough idling
- Decreased fuel efficiency
- Hesitation during acceleration
- Illuminated check engine light
How to Fix P1352 GMC
- Perform a thorough diagnostic scan to confirm the P1352 code and pinpoint the exact cause of the issue.
- Inspect the Ignition Control Module (ICM) and wiring for any visible damage or signs of wear.
- Test the ignition coil and ensure it is functioning correctly.
- Check the engine control module (ECM) for any faults or errors.
- Repair or replace any faulty components as needed, clear the diagnostic trouble codes, and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1352 GMC
The typical repair costs for addressing a P1352 diagnostic trouble code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, replacing a faulty Ignition Control Module (ICM) could cost between $150 to $300, while diagnosing and repairing wiring issues or other components may increase the total repair bill. Labor rates at auto repair shops typically range from $80 to $150 per hour, so it's advisable to check with local shops for a more precise estimate based on your specific vehicle make and model.
When is the Code Detected?
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Frequently Asked Questions about P1352 GMC Code
1. What are common symptoms of OBDII code P1352 GMC?
- Common symptoms include rough idling, engine misfires, loss of power, and illuminated Check Engine Light.
2. What causes the OBDII code P1352 GMC to trigger?
- The code is triggered when the Ignition Control Module detects a high output or pulse when attempting to ground cylinder 2.
3. How can I diagnose the issue related to code P1352 GMC?
- Diagnosis typically involves checking the Ignition Control Module, spark plugs, spark plug wires, and related electrical connections for proper functioning.
4. Can a faulty spark plug cause OBDII code P1352 GMC?
- Yes, a faulty spark plug or spark plug wire in cylinder 2 can contribute to triggering the code due to improper grounding.
5. What is the recommended repair for OBDII code P1352 GMC?
- Repair often involves replacing the Ignition Control Module, addressing any issues with the spark plugs/wires, and ensuring proper electrical connections.
6. Are there any DIY tips for addressing OBDII code P1352 GMC?
- DIY enthusiasts can start by inspecting spark plugs and wires, checking for loose connections, and cleaning or replacing components as needed.
7. Can driving with OBDII code P1352 GMC cause further damage to the vehicle?
- Continuing to drive with the issue unresolved can potentially lead to more severe engine problems, reduced fuel efficiency, and increased emissions.
8. Is it safe to ignore OBDII code P1352 GMC and continue driving the vehicle?
- It is not recommended to ignore the code, as addressing the underlying issue promptly can prevent further damage and maintain the vehicle's performance.
9. How much does it typically cost to repair OBDII code P1352 GMC at a mechanic?
- Repair costs can vary depending on the extent of the issue and labor rates, but expect to pay anywhere from $200 to $500 for parts and labor.
10. Can resetting the OBDII system clear the P1352 GMC code temporarily?
- Resetting the system may temporarily clear the code, but if the underlying issue is not resolved, the code is likely to reappear after driving the vehicle.
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