Code result
C0389
Transfer Case Low Range Switch Circuit Malfunction
Moderate severity
What it means
The transfer case control module has detected an implausible state from the low range (4L) position switch. Engagement of low range may be inhibited.
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
Low range position switch failed
highOne of the most commonly reported causes for this code — check this first.
Shift actuator out of position
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 C0389 freeNo credit card required