P279C
Transfer Case Gear Neutral Incorrect Ratio
P279C is an OBD-II diagnostic trouble code meaning: Transfer Case Gear Neutral Incorrect Ratio. Common causes: low or contaminated oil level in the transfer case, wear of transfer case mechanical components. Estimated repair cost: $56–278.
Symptoms
- Check Engine Light Is On
- Problems with switching all-wheel drive modes
- The car goes into emergency mode
- Unusual noises from the transfer case
- Reduced vehicle dynamics
Causes
- Low or contaminated oil level in the transfer case
- Wear of transfer case mechanical components
- Malfunction of transfer case position sensors
- Problems with control solenoid valves
- Malfunction of the four-wheel drive control unit
How to Fix
- Check the level and condition of the oil in the transfer case
- Diagnose the condition of the mechanical components of the transfer case
- Check the operation of position sensors and solenoid valves
- Scan the control unit for additional errors
- If necessary, replace worn transfer case components
Related codes
Error P279C by Vehicle Brand
FAQ
What does the P279C code mean?
P279C is an OBD-II diagnostic trouble code that indicates: Transfer Case Gear Neutral Incorrect Ratio
What causes a P279C error code?
The most common causes of P279C include: Low or contaminated oil level in the transfer case; Wear of transfer case mechanical components; Malfunction of transfer case position sensors; Problems with control solenoid valves.
How do I fix a P279C diagnostic trouble code?
To fix P279C: Check the level and condition of the oil in the transfer case. Diagnose the condition of the mechanical components of the transfer case. Check the operation of position sensors and solenoid valves. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P279C?
Limited driving only, diagnose soon
How much does it cost to fix P279C?
The estimated repair cost for P279C is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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