What does code P2327 mean?

Q: What does code P2327 mean?

Ignition Coil 'J' Primary Control Circuit Low. P2327 means the engine computer has detected a low-voltage condition on the primary control circuit for ignition coil 'J', which is one of the individual coils in a coil-on-plug or distributorless ignition system. The computer commands the coil to fire by switching the ground side of the primary circuit, and it monitors the circuit for expected voltage changes; a persistent low reading tells it the circuit is shorted to ground, open, or the coil's internal switching transistor has failed.

DTC codes / P23xx · Ignition system and misfire / P2327

P2327Ignition Coil 'J' Primary Control Circuit Low

P2327 means the engine computer has detected a low-voltage condition on the primary control circuit for ignition coil 'J', which is one of the individual coils in a coil-on-plug or distributorless ignition system. The computer commands the coil to fire by switching the ground side of the primary circuit, and it monitors the circuit for expected voltage changes; a persistent low reading tells it the circuit is shorted to ground, open, or the coil's internal switching transistor has failed.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaIgnition system and misfire

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