Powertrain
generic / SAE
P2C40
Fan 4 Control Circuit High
The control circuit of cooling fan 4 reports a control circuit high condition. Fan operation cannot be commanded reliably.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberC / 40
Possible causes
- Control wire shorted to B+ high
- Relay coil open medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 80–500 €
- Estimated time: 0.5–3 h
- Component: cooling fan 4
- Component: fan relay 4
- Component: ecm
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012