P1370 GMC Code - Ignition Control Module 4X Reference Circuit Too Many Pulses
Quick Answer
The P1370 GMC diagnostic trouble code (DTC) refers to the Ignition Control Module 4X Reference Circuit Too Many Pulses. Common causes include Faulty Ignition Control Module, Wiring issues in the 4X reference circuit, ECM malfunction. 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
- P1370 GMC indicates Ignition Control Module 4X Reference Circuit Too Many Pulses.
- Common causes
- Common causes include Faulty Ignition Control Module, Wiring issues in the 4X reference circuit, ECM malfunction.
- 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 P1370 GMC Description
The P1370 GMC diagnostic trouble code (DTC) refers to the Ignition Control Module 4X Reference Circuit Too Many Pulses. This code indicates that the Engine Control Module (ECM) has detected an issue with the signal coming from the Ignition Control Module (ICM) in relation to the 4X reference circuit. The 4X reference circuit is responsible for providing the ECM with information regarding the position of the crankshaft and camshaft. When there are too many pulses detected in this circuit, it can lead to timing issues and affect the overall performance of the engine.
Common Causes of P1370 GMC
- Faulty Ignition Control Module
- Wiring issues in the 4X reference circuit
- ECM malfunction
- Poor electrical connection
- Engine overheating
Symptoms of P1370 GMC
- Engine misfires
- Rough idling
- Poor acceleration
- Stalling
- Check Engine Light illuminated
How to Fix P1370 GMC
- Diagnose the code using a scan tool to identify the exact cause of the issue.
- Inspect the Ignition Control Module and wiring in the 4X reference circuit for any signs of damage or corrosion.
- Test the ECM to ensure it is functioning correctly.
- Replace the Ignition Control Module if it is found to be faulty.
- Clear the DTC and perform a test drive to verify that the issue has been resolved.
Cost to Fix P1370 GMC
The cost of repairing the P1370 GMC code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, repairing this code can range from $200 to $500, including parts and labor. However, it is important to note that labor rates can vary significantly based on location, vehicle make and model, and the expertise of the technician. It is recommended to obtain quotes from multiple repair shops to ensure a competitive price for the repair.
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