P2330Ignition Coil K Primary Control Circuit Low
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- Needs a drive cycle to confirm a fix
- How the car detects it
- P2330 belongs to coil K, the eleventh coil, which only twelve-cylinder petrol engines have – V12 units such as those built by BMW, Mercedes-Benz, Lamborghini or Ferrari, or the VW group's W12. No manufacturer documents this code publicly; the published coil lists stop earlier (Ford at J, GM at H). The meaning follows from the analogous lower codes: the module sees the coil K driver line held at ground potential, as GM describes for its cylinder 8 code P2321 (short to ground judged against controller voltage limits, 50 of 63 samples). Under CARB's comprehensive component rules such a circuit fault on an output must be detected. Wiring and connector of that one coil should be checked before the module is suspected; an open circuit would be P0361.
- What you may notice
- Check engine light on
- Cylinder 11 not firing
- Slight roughness, often hard to feel on a V12
- Likely causes
- LikelyCoil K shorted internally
- PossibleCoil K control wire damaged and grounded in the bank harness
- RareCoil K driver in the engine module faulty
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Hard · Usually a job for a workshop.Typical cost: €60 – €800
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.