Powertrain
generic / SAE
P2A34
AFCM Power Relay Control Circuit High
Voltage on the AFCM power relay control line is above the expected window. Wire shorted to B+ or coil open.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / 34
Possible causes
- Control wire shorted to B+ high
- Open relay coil medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–600 €
- Estimated time: 0.5–3 h
- Component: afcm power relay
- Component: afcm
- Component: wiring harness
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012