Powertrain
generic / SAE
P28C0
Ion Sense Module Supply Voltage Circuit
The ECM detects a generic fault on the supply voltage circuit of the ion sense module. The module can no longer reliably bias the spark plug for ion current measurement.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number8 / C0
Possible causes
- Module supply rail interrupted high
- Wiring or connector fault medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 100–600 €
- Estimated time: 0.5–3 h
- Component: ion sense module
- Component: wiring harness
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012