Powertrain
generic / SAE
P2304
Ignition Coil B Primary Control Circuit High
Voltage on the primary control of ignition coil B exceeds the calibrated upper limit, indicating an electrical fault that prevents proper coil charging.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number3 / 04
Possible causes
- Primary wire shorted to battery high
- Open primary winding medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 50–250 €
- Estimated time: 0.2–1 h
- Component: ignition coil
- Component: coil driver
- Component: ignition wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012