What does code P2316 mean?

Q: What does code P2316 mean?

Ignition Coil 'F' Primary Control Circuit High. P2316 means the powertrain control module (PCM) has detected an abnormally high voltage on the primary control circuit for ignition coil 'F', which is the low-voltage side that the PCM uses to switch the coil on and off. The PCM expects to see a predictable voltage pattern when it commands the coil to fire, and a reading that stays too high tells it the circuit is not being pulled low as designed.

DTC codes / P23xx · Ignition system and misfire / P2316

P2316Ignition Coil 'F' Primary Control Circuit High

P2316 means the powertrain control module (PCM) has detected an abnormally high voltage on the primary control circuit for ignition coil 'F', which is the low-voltage side that the PCM uses to switch the coil on and off. The PCM expects to see a predictable voltage pattern when it commands the coil to fire, and a reading that stays too high tells it the circuit is not being pulled low as designed.

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.