Powertrain
generic / SAE
P0351
Ignition Coil "A" Primary/Secondary Circuit Malfunction (Cylinder 1)
An electrical fault has been detected in the ignition coil circuit for cylinder 1 — open primary winding, short to ground, or short to supply. The ECU disables the coil to protect its driver and the cylinder misfires.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / 51
Possible causes
- Coil primary winding open or shorted high
- Wiring or connector fault medium
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 40–300 €
- Estimated time: 0.2–1.5 h
- Component: ignition coil
- Component: ignition coil wiring
- Component: ecu ignition driver
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012