Engine-Codes - Generic - P0859

P0859 Code - Traction Control Input Signal High

- Code Popularity: 3,776 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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|What are the Possible Causes of the Code P0859?

  • Faulty Electronic Brake Control Module (EBCM)
  • EBCM Harness is open or shorted
  • EBCM Circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

|How to Fix the P0859 Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

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|What is the Cost to Diagnose the Code P0859?

Labor: 1.0

The cost to diagnose the P0859 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|What are Code P0859 Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the P0859 Code Mean?

When traction control is active, the Electronic Brake Control Module (EBCM). sends a serial data message to the Engine Control Module (ECM) requesting torque reduction. When certain ECM DTCs are set, the ECM will not be able to perform the torque reduction for traction control. A serial data message is sent to the EBCM indicating that traction control is not allowed.

P0859 Code - Traction Control Input Signal High

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