OBD-II DTC · SAE J2012

P2329

Ignition Coil J Sec Circ

Ignition / Knock → Depends on cause

What P2329 means

P2329 is a standard SAE J2012 powertrain diagnostic trouble code with the defined meaning: Ignition Coil J Sec Circ. This is the OEM-agnostic definition; specific manufacturer interpretation may add detail (subsystem, bank, sensor location) but the core meaning is consistent across all OBD-II compliant vehicles since 1996.

Can this code be suppressed via ECU tuning?

Whether this code is safe to suppress depends on the underlying cause. Diagnose first, suppress only after confirming the mechanical issue is benign or rectified.

Related codes in the P23xx family

P2300P2301P2302P2303P2304P2305P2306P2307P2308P2309P2310P2311