Powertrain
generic / SAE
P2300
Ignition Coil A Primary Control Circuit Low
The ECU reads a primary-side control voltage of ignition coil A below the expected level. The coil cannot store sufficient energy to fire the spark plug; misfire on cylinder 1 typically follows.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number3 / 00
Possible causes
- Internal coil short high
- Primary wire shorted to ground 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