What does code P2333 mean?

Q: What does code P2333 mean?

Ignition Coil 'L' Primary Control Circuit Low. P2333 means the engine computer has detected a low-voltage condition on the primary control circuit for ignition coil 'L', which is one of the individual coils in a coil-on-plug or distributorless ignition system. The computer commands the coil to fire by grounding the primary circuit, and it monitors the voltage or current on that circuit to confirm the coil is responding as expected.

DTC codes / P23xx · Ignition system and misfire / P2333

P2333Ignition Coil 'L' Primary Control Circuit Low

P2333 means the engine computer has detected a low-voltage condition on the primary control circuit for ignition coil 'L', which is one of the individual coils in a coil-on-plug or distributorless ignition system. The computer commands the coil to fire by grounding the primary circuit, and it monitors the voltage or current on that circuit to confirm the coil is responding as expected.

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.