OBD-II code · Powertrain (generic)
P0527 Fan Speed Sensor Circuit Range or Performance
Same as P0526 with the signal in plausible range yet not matching the commanded fan speed - typically sensor drift, weak magnet, or partial reluctor damage.
Is it safe to drive with P0527?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor signal drifted
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.4–1.4 h
- Emissions test
- Usually unaffected
- Parts involved
- Fan Speed Sensor
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.