OBD-II code · Powertrain (generic, extended)
P2311 Ignition Coil D Secondary Circuit
A fault is detected in the secondary side of ignition coil D. Insufficient spark energy results in cylinder misfire.
Is it safe to drive with P2311?
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
- PossibleSecondary winding 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
- 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
- P2359Ignition Coil L Secondary Circuit
- P230ECylinder 5 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P230FCylinder 6 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P2310Ignition Coil D Primary Control Circuit High
- P2312Ignition Coil E Primary Control Circuit Low
- P2313Ignition Coil E Primary Control Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.