Powertrain
generic / SAE
P2CBB
Fan 3 Underspeed
Cooling fan 3 runs below the calibrated minimum speed for the commanded duty. Mechanical resistance high or motor weakened.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberC / BB
Possible causes
- Fan motor bearing worn high
- Supply voltage low under load medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 100–700 €
- Estimated time: 0.5–3 h
- Component: cooling fan 3
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012