C0374

Transfer Case System Malfunction

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$111–333 (est.)

Symptoms

Switching between drive modes is difficult
Sounds or vibrations from the transfer case area
Fault indication on the dashboard
Inability to engage all-wheel drive

Causes

Malfunction of the solenoid valve (solenoid)
Problems with wiring harness or contacts
Mechanical wear of the transfer case
Software failures in the control module

How to Fix

Diagnostics using an OBD-II scanner
Checking the condition of the wiring harness and contacts
Transfer case solenoids testing
Replacement or repair of damaged components
Control Module Software Update

Related codes

C0375 C0376 C0377