OBD-II code · Powertrain (generic, extended)
P2359 Ignition Coil L Secondary Circuit
The ECU detects a secondary-circuit fault on ignition coil L (cylinder 12 on a V12 or another high-numbered cylinder). The cylinder will misfire if the spark output is insufficient.
Is it safe to drive with P2359?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyWorn spark plug
- PossibleCoil secondary failure
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.2–1 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Ignition Coil, Spark Plug
Related codes
- P2302Ignition Coil A Secondary Circuit
- P2305Ignition Coil B Secondary Circuit
- P2308Ignition Coil C Secondary Circuit
- P2311Ignition Coil D Secondary Circuit
- P2314Ignition Coil E Secondary Circuit
- P2317Ignition Coil F Secondary Circuit
- P2320Ignition Coil G Secondary Circuit
- P2323Ignition Coil H Secondary Circuit
- P2326Ignition Coil I Secondary Circuit
- P2329Ignition Coil J Secondary Circuit
- P2332Ignition Coil K Secondary Circuit
- P2335Ignition Coil L Secondary Circuit
- P2356Cylinder 10 Pressure Sensor Circuit Intermittent or Erratic
- P2357Cylinder 10 Pressure Too Low
- P2358Cylinder 10 Pressure Too High
- P235ACylinder 10 Pressure Variation High
- P235BCylinder 10 Combustion Performance
- P235CCylinder 11 Pressure Sensor Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.