GMC P1368 Code Description
The GMC P1368 code indicates a problem with ignition control cylinder 8 not toggling after activation. This means there is an issue with the ignition system specifically related to cylinder 8 of the engine. The ignition control module is responsible for sending signals to the ignition coil to generate a spark for combustion in the cylinder. When cylinder 8 does not toggle after activation, it means the ignition system is not functioning properly, which can lead to misfires, rough idling, and decreased engine performance.
Common Causes of GMC P1368 Syndrome
NOTE: The listed causes may not be a complete list of all potential problems and there may be other causes.
- Faulty ignition control module
- Faulty ignition coil for cylinder 8
- Wiring or connection issues in the ignition system
- Vacuum leaks affecting cylinder 8
- Spark plug or spark plug wire issues for cylinder 8
Symptoms of P1368 Syndrome
- Engine misfires or hesitation during acceleration
- Rough idling or stalling
- Decreased fuel efficiency
- Check engine light illuminated
- Engine vibration or shaking
How to Fix GMC P1368 Code
- Diagnose the specific cause of the problem using a scan tool to monitor ignition control module signals for cylinder 8.
- Inspect the ignition coil for cylinder 8 and test its functionality using a multimeter.
- Check wiring and connections related to the ignition system for any damage or corrosion.
- Inspect for vacuum leaks that may affect cylinder 8 performance.
- Replace any faulty components such as the ignition control module, ignition coil, spark plugs, or spark plug wires for cylinder 8.