P279C

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

1. Check the level and condition of the oil in the transfer case
2. Diagnose the condition of the mechanical components of the transfer case
3. Check the operation of position sensors and solenoid valves
4. Scan the control unit for additional errors
5. If necessary, replace worn transfer case components

Related codes

Error P279C by Vehicle Brand