C0265 EBCM Motor Relay Circuit Low When On

Definition: The C0265 code indicates a problem with the Electronic Brake Control Module (EBCM) motor relay circuit, specifically that the circuit is reading low when it should be on. This typically points to an issue with the relay or wiring associated with the EBCM.

C0265 – EBCM Motor Relay Circuit Low When On

Typical Severity: Moderate

Common Causes

C0265 – EBCM Motor Relay Circuit Low When On

Common Causes:

• Faulty electronic brake control module (EBCM)
• Short circuit in the wiring harness
• Loose or corroded electrical connections
• Faulty motor relay within the EBCM

 

Common Misdiagnosis

OBD2 Code: C0265

Description: EBCM Motor Relay Circuit Low When On

Common Misdiagnosis: Replacing the Electronic Brake Control Module (EBCM) without checking for poor ground connections or inspecting the motor relay circuit wiring and connectors.

 

Common Diagnostic Steps

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OBD2 Code: C0265

Description: EBCM Motor Relay Circuit Low

• Check the fuse related to the EBCM motor relay circuit.
• Inspect the wiring and connectors for any signs of damage or corrosion.
• Test the EBCM motor relay for proper operation.
• Verify that there is power and ground at the EBCM connector.
• Use a scan tool to check for any additional codes that may indicate other issues.
• If necessary, replace the faulty components such as the relay or wiring harness.