P0859
Traction Control Input Signal High
P0859 is an OBD-II diagnostic trouble code meaning: Traction Control Input Signal High. Common causes: damage to traction control system wiring or connectors, wheel speed sensor malfunction. Estimated repair cost: $17–89.
Symptoms
- Check engine light is on
- Traction control indicator is active
- Traction control system disabled
- Reduced vehicle dynamics
- Possible problems with ABS
Causes
- Damage to traction control system wiring or connectors
- Wheel speed sensor malfunction
- Problems with the traction control module
- Short circuit in the circuit
- Engine control unit malfunction
How to Fix
- Check the condition of the wiring and connectors of the traction control system
- Check wheel speed sensors
- Scan the traction control module for errors
- Check the power and ground of the traction control module
- If necessary, replace faulty components
Related codes
Error P0859 by Vehicle Brand
FAQ
What does the P0859 code mean?
P0859 is an OBD-II diagnostic trouble code that indicates: Traction Control Input Signal High
What causes a P0859 error code?
The most common causes of P0859 include: Damage to traction control system wiring or connectors; Wheel speed sensor malfunction; Problems with the traction control module; Short circuit in the circuit.
How do I fix a P0859 diagnostic trouble code?
To fix P0859: Check the condition of the wiring and connectors of the traction control system. Check wheel speed sensors. Scan the traction control module for errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0859?
Limited driving only, diagnose soon
How much does it cost to fix P0859?
The estimated repair cost for P0859 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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