C0374
Transfer Case System Malfunction
C0374 is an OBD-II diagnostic trouble code meaning: Transfer Case System Malfunction. Common causes: malfunction of the solenoid valve (solenoid), problems with wiring harness or contacts. Estimated repair cost: $111–333.
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
Error C0374 by Vehicle Brand
FAQ
What does the C0374 code mean?
C0374 is an OBD-II diagnostic trouble code that indicates: Transfer Case System Malfunction
What causes a C0374 error code?
The most common causes of C0374 include: 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 do I fix a C0374 diagnostic trouble code?
To fix C0374: Diagnostics using an OBD-II scanner. Checking the condition of the wiring harness and contacts. Transfer case solenoids testing. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0374?
Limited driving only, diagnose soon
How much does it cost to fix C0374?
The estimated repair cost for C0374 is $111–333. Actual cost depends on your vehicle, location, and labor rates.
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