OBD-II code · Chassis
C0387 Transfer Case Position Sensor
The transfer case control module has detected an implausible signal from the position sensor that reports the current shift position (2HI, 4HI, 4LO, neutral). Without a valid position the system cannot complete a range change.
Is it safe to drive with C0387?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyTransfer case position sensor failed
- PossibleWiring or connector fault
- Less likelyEncoder motor stuck between positions
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.8–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Transfer Case Position Sensor, Transfer Case Module, Encoder Motor
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.