Pro · Four-system diagnostics
FOXWELL Multi-System Scanner
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 AmazonEasy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer has detected a problem with the light that shows if the traction control is turned off. It's like a warning light on a toy that tells you something isn't working right.
The C0085 code is triggered when the vehicle's traction control system detects an issue with the traction disable indicator circuit.
The traction disable indicator is part of the vehicle's traction control system. This code indicates a malfunction in the circuit responsible for illuminating the indicator light that shows when traction control is disabled. This could be due to wiring issues, a faulty bulb, or a problem with the control module.
• Traction disable indicator light not working
• Traction control system not functioning properly
• Warning light on the dashboard
• Faulty traction disable indicator bulb
• Damaged wiring or connectors
• Malfunctioning traction control module
Traction Control: A system that helps prevent wheel slip during acceleration.
Indicator Light: A light on the dashboard that signals a specific status or issue.
• Inspect the traction disable indicator bulb for damage.
• Check wiring and connectors for continuity and damage.
• Test the traction control module for faults.
• Replace the faulty indicator bulb.
• Repair or replace damaged wiring or connectors.
• Replace the traction control module if necessary.
• Multimeter
• OBD-II scanner
• Screwdriver set
$100 - $300
Moderate
• Chevrolet Silverado
• GMC Sierra
• Cadillac Escalade
• Regularly check dashboard lights for functionality.
• Inspect wiring and connectors during routine maintenance.
• Ensure the traction control system is serviced as per the vehicle's maintenance schedule.
Sensor Issue
• If the traction control system is not needed, you can drive the vehicle, but be cautious in slippery conditions.
• Schedule a service appointment to diagnose and fix the issue.
Check your vehicle's warranty for coverage on electrical components related to the traction control system.
This code has been commonly associated with vehicles that have a history of electrical issues, particularly in the traction control system.
Moderate – While the vehicle can still be driven, it is important to address this issue to ensure the traction control system functions properly.
Driving without a functioning traction control system can increase the risk of losing control of the vehicle in adverse conditions.
• Vehicle ignition in the ON position.
• Traction control system activated.
The traction disable indicator is typically located on the vehicle's dashboard.
Q: Can I drive with the C0085 code?
A: Yes, but be cautious as the traction control system may not be functioning properly.
Q: How do I know if the traction disable indicator is faulty?
A: If the indicator light does not illuminate when the traction control is disabled, it may be faulty.
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.
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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.