Code result
P0185
Fuel Temperature Sensor B Circuit Malfunction
Moderate severity
What it means
The ECU detects an electrical fault in the fuel temperature sensor B circuit (second sensor used on systems with separate supply/return temperature monitoring or twin-tank arrangements).
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Sensor failed
highOne of the most commonly reported causes for this code — check this first.
Wiring or connector fault
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P0185 freeNo credit card required