What does code P1368 mean?

Q: What does code P1368 mean?

IC Cylinder 8 Not Toggling After Enable. P1368 is a manufacturer-specific GM code that indicates the ignition coil (IC) circuit for cylinder 8 is not toggling after the enable signal is sent. The engine control module (ECM) commands the coil to fire, but it does not see the expected voltage switching on the control circuit, so it flags the fault.

DTC codes / GM codes / P1368

P1368 · GMIC Cylinder 8 Not Toggling After Enable

P1368 is a manufacturer-specific GM code that indicates the ignition coil (IC) circuit for cylinder 8 is not toggling after the enable signal is sent. The engine control module (ECM) commands the coil to fire, but it does not see the expected voltage switching on the control circuit, so it flags the fault.

SystemPowertrain

Code typeGM specific

SeverityMedium

Fix difficultyIntermediate

AreaIgnition system and misfire

Guidance is general and written for GM vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.