OBD-II code · Powertrain (generic, extended)
P2D86 Fuel Temperature Sensor A/B Correlation
The signals of the fuel temperature sensors A and B do not correlate within the calibrated tolerance. One sensor drifts or installation offset between channels.
Is it safe to drive with P2D86?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOne sensor characteristic drifted
- PossibleHarness incorrectly swapped between channels
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Fuel Temperature Sensor A, Fuel Temperature Sensor B, Ecm
Related codes
- P2D83Battery Charger B Input Current Sensor Circuit Low
- P2D84Battery Charger B Input Current Sensor Circuit High
- P2D85Battery Charger B Input Current Sensor Circuit Range/Performance
- P2D87Fan 1 Control Module Over Temperature
- P2D88Fan 1 Control Module Performance
- P2D89Fan 1 Control Module Supply Voltage Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.