Code result
C0374
4WD Drive Coupling
Moderate severity
What it means
The 4WD or AWD control module has detected a fault on the electronic drive coupling that distributes torque between axles. Reduced torque transfer or a complete loss of all-wheel drive function may result.
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
Coupling actuator failed
highOne of the most commonly reported causes for this code — check this first.
Coupling oil overheated
mediumA plausible cause — test and verify before replacing parts.
Wiring or connector fault
lowLess common, but worth ruling out after the more likely causes.
Related help
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