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Engine-Codes – GMC – P1360 GMC

P1360 GMC Code - Ignition Control Circuit Group 2

Quick Answer

The P1360 code is a diagnostic trouble code (DTC) that indicates a problem with the ignition control circuit, specifically related to Group 2. Common causes include Faulty ignition coils or coil packs, Damaged or corroded wiring in the ignition control circuit, Malfunctioning Engine Control Module (ECM). 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
P1360 GMC indicates Ignition Control Circuit Group 2.
Common causes
Common causes include Faulty ignition coils or coil packs, Damaged or corroded wiring in the ignition control circuit, Malfunctioning Engine Control Module (ECM).
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 Oct 21, 2024
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Code P1360 GMC Description

The P1360 code is a diagnostic trouble code (DTC) that indicates a problem with the ignition control circuit, specifically related to Group 2. This code is primarily associated with vehicles equipped with a distributor-less ignition system (DIS) or coil-on-plug (COP) ignition systems. The ignition control circuit is crucial for managing the timing and firing of the ignition coils, which in turn ignites the air-fuel mixture in the engine's cylinders. When the Engine Control Module (ECM) detects an irregularity in the signal from the ignition control circuit, it triggers the P1360 code.

OBDII Code P1360 GMC - Ignition Control Circuit Group 2
P1360 GMC Code - Ignition Control Circuit Group 2

Common Causes of P1360 GMC

  1. Faulty ignition coils or coil packs.
  2. Damaged or corroded wiring in the ignition control circuit.
  3. Malfunctioning Engine Control Module (ECM).
  4. Poor electrical connections or loose connectors in the ignition system.
  5. Faulty crankshaft or camshaft position sensors that affect ignition timing.

Symptoms of P1360 GMC

  1. Engine misfires or rough idling.
  2. Reduced engine power and acceleration.
  3. Increased fuel consumption.
  4. Check Engine Light illuminated on the dashboard.
  5. Difficulty starting the engine or stalling while driving.

How to Fix P1360 GMC

  1. Diagnostic Testing: Begin by using an OBD-II scanner to confirm the P1360 code and check for any additional codes that may provide insight into the issue.
  2. Visual Inspection: Inspect the ignition control circuit for any visible damage, such as frayed wires, corrosion, or loose connections. Pay special attention to the ignition coils and their connectors.
  3. Testing Components: Test the ignition coils for proper resistance and functionality. If any coils are found to be defective, they should be replaced.
  4. Repair or Replace Wiring: If damaged wiring or connectors are identified, repair or replace them to ensure proper electrical flow in the ignition circuit.
  5. ECM Check: If all other components are functioning correctly, consider testing or reprogramming the ECM, as it may be sending incorrect signals to the ignition system.

Cost to Fix P1360 GMC

The typical repair costs for addressing a P1360 code can vary widely based on the specific diagnosis and repairs needed. On average, you might expect to pay between $200 and $600 for parts and labor. This estimate includes the cost of ignition coils, wiring repairs, and potential ECM reprogramming. Labor rates can vary significantly; most auto repair shops charge between $80 and $150 per hour. In metropolitan areas or at dealerships, rates may be higher, while independent shops often offer more competitive pricing. It is advisable to check local rates and get multiple quotes for a more precise estimate tailored to your specific vehicle make and model.

When is the Code Detected?

During the Engine Control Module (ECM) power up mode, the ECM detected an open or short circuit condition in coil group 2

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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.

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