Powertrain
generic / SAE
P2C31
Ignition Coil Primary Circuit Fuse B
The ECM detects an open or blown fuse on the ignition coil primary supply circuit B. Affected coils receive no operating voltage.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberC / 31
Possible causes
- Primary supply fuse blown by short circuit high
- Shorted ignition coil drawing excess current medium
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 20–300 €
- Estimated time: 0.2–1.5 h
- Component: ignition coil fuse b
- Component: ignition coils
- Component: wiring harness
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012