Powertrain
generic / SAE
P03FC
Ignition K Control Signal Circuit High
Ignition K Control Signal Circuit High: the signal voltage is above the expected range. This line drives an ignition coil group; a fault causes misfire on those cylinders.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / FC
Possible causes
- Short to B+ high
- Connector pins corroded - high contact resistance low
- Supply wire pinched against B+ source low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 60–500 €
- Estimated time: 0.5–2.5 h
- Component: ignition coil
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012