AutoCodes – Dodge – P0856 Dodge

P0856 Dodge Code - Traction Control Torque Request Circuit Malfunctional

Quick Answer

When traction control is active, the Electronic Brake Control Module (EBCM). Common causes include Faulty Electronic Brake Control Module (EBCM), EBCM Harness is open or shorted, EBCM Circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0856 Dodge indicates Traction Control Torque Request Circuit Malfunctional.
Common causes: Common causes include Faulty Electronic Brake Control Module (EBCM), EBCM Harness is open or shorted, EBCM Circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 4,820

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 10, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0856 Dodge Description

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.

OBDII Code P0856 Dodge - Traction Control Torque Request Circuit Malfunctional - AutoCodes.com — P0856 Dodge Code - Traction Control Torque Request Circuit Malfunctional

What does this mean?

What are the Possible Causes of the DTC P0856 Dodge?

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 DTC P0856 Dodge?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0856 Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.