OBD-II code · Powertrain (generic, extended)
P2CBB Fan 3 Underspeed
Cooling fan 3 runs below the calibrated minimum speed for the commanded duty. Mechanical resistance high or motor weakened.
Is it safe to drive with P2CBB?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyFan motor bearing worn
- PossibleSupply voltage low under load
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Cooling Fan 3
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.