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)
First diagnose P0859 code
Check 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.
Cost of diagnosing the P0859 code
Labor: 1.0The cost of diagnosing the P0859 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
P0859 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0859 DescriptionWhen 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 More InformationNeed more information on how to fix the P0859 code?
Get Access to Factory Service Manuals
P0859 Information for specific makes
- P0859 DODGE Traction Control Input Signal High
Need more help?Get the P0859 code diagnosed by a professional: Find a repair shop in your area
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