P0859 Possible Causes
- Faulty Electronic Brake Control Module (EBCM)
- EBCM Harness is open or shorted
- EBCM Circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How is the P0859 code repair?
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.What is the cost to diagnose the P0859 code
Labor: 1.0
The cost to diagnose the P0859 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0859 Meaning
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.More Information
Need more information on how to fix the P0859 code?Get Access to Factory Service Manuals
Information for specific makes
- P0859 DODGE Traction Control Input Signal High