Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
The car's system that helps with driving on slippery roads is getting too hot, like when you run too much and get overheated.
This code indicates that the temperature of the clutch in the 4WD/AWD system is higher than the acceptable range.
The C05DC code is triggered when the temperature sensor in the 4WD/AWD clutch assembly detects a temperature that exceeds the manufacturer's specified limit. This could indicate excessive friction or a malfunction within the clutch system.
• Warning light on the dashboard
• Reduced 4WD/AWD performance
• Unusual noises from the drivetrain
• Overuse of the 4WD/AWD system
• Faulty temperature sensor
• Low or contaminated fluid in the clutch system
4WD: Four-Wheel Drive
AWD: All-Wheel Drive
Clutch: A device that engages and disengages the power transmission
• Check for any warning lights or messages on the dashboard.
• Inspect the 4WD/AWD system for any visible damage or leaks.
• Use a diagnostic tool to read temperature sensor data and verify the code.
• Replace or repair the temperature sensor if faulty.
• Flush and refill the clutch fluid if contaminated.
• Inspect and repair any mechanical issues within the clutch assembly.
• OBD-II scanner
• Multimeter
• Wrenches and screwdrivers
$200 - $600
Moderate
• Toyota RAV4
• Honda CR-V
• Subaru Outback
• Regular maintenance of the 4WD/AWD system
• Avoid prolonged use of 4WD/AWD on dry pavement
• Ensure proper fluid levels and quality
Temperature Sensor Issue
• Avoid using 4WD/AWD mode unless necessary.
• Schedule regular check-ups for your vehicle's drivetrain.
Check with the vehicle manufacturer for warranty coverage on drivetrain components.
This code is commonly reported in vehicles with high mileage or those frequently used in off-road conditions.
Moderate – Address the issue soon to prevent potential damage to the drivetrain.
Ignoring this issue could lead to drivetrain failure, which may compromise vehicle safety.
• Vehicle on a lift for inspection
• Engine running and 4WD/AWD engaged
The 4WD/AWD clutch assembly is typically located near the rear differential or transfer case.
Q: Can I continue driving with this code?
A: It's best to address the issue soon to avoid potential damage to the drivetrain.
Q: What happens if I ignore this code?
A: Ignoring this code could lead to overheating and potential failure of the 4WD/AWD system.
Pro · Four-system diagnostics
A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.
Chassis and ABS faults usually need a scanner that can read brake-system data directly.
View on Amazon
Universal · Torque wrench
Useful when reassembly torque matters for wheel, suspension, and under-hood fasteners.
Useful when wheel, hub, or suspension hardware needs correct reassembly torque.
View on Amazon
Universal · Drive-on ramps
Helpful for safer access underneath the vehicle during exhaust, EVAP, and underbody inspection work.
Helpful for safer access during underbody inspection work.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.