OBD
P2B2F
Fan 1 Performance/Stuck Off
What it means
P2B2F means Fan 1 Performance/Stuck Off.
Check these first
- A failed fan 1 motor
- A blown fuse or relay feeding fan 1
- An open in the fan 1 power or ground circuit
- A control module not commanding fan 1 on
What to do next
- Scan all modules and command fan 1 on
- Check fan 1 fuses and relay
- Test the fan 1 motor with direct power
- Test the fan 1 power and ground circuits for an open
- Replace fan 1 if it does not run with a known good supply
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.