P0856 CADILLAC - Traction Control Torque Request Circuit Malfunction
P0856 CADILLAC 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 do I fix code P0856 CADILLAC?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 P0856 CADILLAC code
Labor: 1.0The cost of diagnosing the P0856 CADILLAC 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.
- ABS Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
P0856 CADILLAC 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.
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