AutoCodesChevrolet – C0265 Chevrolet

C0265 Chevrolet Code - EBCM Motor Relay Circuit Low When On

Quick Answer

The ABS relay supplies battery voltage to six valve solenoids (RF dump/isolation, LF dump/isolation, and rear dump/isolation). Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module (EBCM) harness is open or shorted, Electronic Brake Control Module (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
C0265 Chevrolet indicates EBCM Motor Relay Circuit Low When On.
Common causes
Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module (EBCM) harness is open or shorted, Electronic Brake Control Module (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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 41,954
How popular is this code, among other codes? Medium
Table of contents Created and updated by William Orellana on Jun 03, 2020
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Code C0265 Chevrolet Description

The ABS relay supplies battery voltage to six valve solenoids (RF dump/isolation, LF dump/isolation, and rear dump/isolation). The Electronic Brake Control Module (EBCM) microprocessor applies the grounds needed to activate each solenoid. The low side of each solenoid coil has a feedback circuit to the EBCM microprocessor. When a solenoid is commanded OFF, the feedback voltage is high. When a solenoid is commanded ON, the feedback voltage is low.
OBDII Code C0265 Chevrolet - EBCM Motor Relay Circuit Low When On - AutoCodes.com
C0265 Chevrolet Code - EBCM Motor Relay Circuit Low When On

What are the Possible Causes of the DTC C0265 Chevrolet?

  • Faulty Electronic Brake Control Module (EBCM)
  • Electronic Brake Control Module (EBCM) harness is open or shorted
  • Electronic Brake Control Module (EBCM) circuit poor electrical connection

How to Fix the DTC C0265 Chevrolet?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0265 Chevrolet 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.

Need more information about the C0265 Chevrolet code?

Need more information on how to fix the C0265 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

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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.

Frequently Asked Questions about C0265 Chevrolet Code

1. What are the common symptoms of OBDII code C0265 in a Chevrolet related to the EBCM motor relay circuit low when on?

- Common symptoms include illuminated ABS and brake warning lights on the dashboard, potential loss of ABS functionality, and abnormal braking behavior.

2. What are some possible causes of the EBCM motor relay circuit low error code (C0265) in a Chevrolet?

- Possible causes include a faulty electronic brake control module (EBCM), damaged wiring or connectors, a malfunctioning relay, or issues with the ABS pump motor.

3. How can I diagnose the EBCM motor relay circuit low issue in my Chevrolet when I encounter code C0265?

- Diagnosis typically involves checking the wiring and connectors for damage, testing the relay and ABS pump motor for functionality, and using a diagnostic scanner to read and clear the code.

4. Can driving with the EBCM motor relay circuit low error (C0265) cause any further damage to my Chevrolet?

- While the vehicle may still be drivable with this issue, continued driving can lead to potential safety risks due to compromised ABS functionality. It is recommended to address the issue promptly.

5. Is it safe to continue driving my Chevrolet if the ABS and brake warning lights are illuminated due to code C0265 (EBCM motor relay circuit low)?

- It is not ideal to drive the vehicle with the ABS warning lights on, as the ABS system may not function properly, increasing the risk of skidding or loss of control during braking.

6. Are there any DIY repair tips for fixing the EBCM motor relay circuit low issue in a Chevrolet with code C0265?

- DIY repair options may include checking and cleaning the wiring connections, inspecting the relay for damage, and ensuring the ABS pump motor is operating correctly. However, professional diagnosis and repair are recommended for complex ABS issues.

7. How much does it typically cost to repair the EBCM motor relay circuit low issue associated with OBDII code C0265 in a Chevrolet?

- Repair costs can vary depending on the exact cause of the issue and whether components need to be replaced. Costs may range from a few hundred to over a thousand dollars for parts and labor.

8. Can resetting the OBDII code C0265 related to the EBCM motor relay circuit low fix the issue temporarily in a Chevrolet?

- Resetting the code may temporarily turn off the warning lights, but it will not address the underlying problem causing the EBCM motor relay circuit low error. It is best to diagnose and repair the issue properly.

9. Will the EBCM motor relay circuit low issue (C0265) affect the overall performance of my Chevrolet, aside from the ABS system?

- While the primary impact is on the ABS system, unresolved issues with the EBCM motor relay circuit low can potentially affect other vehicle systems or lead to further electrical problems if left unattended.

10. How long does it typically take to repair the EBCM motor relay circuit low issue indicated by OBDII code C0265 in a Chevrolet?

- The repair time can vary depending on the extent of the issue and the availability of parts. In some cases, the repair may be completed within a few hours, while more complex problems may require additional time for diagnosis and repair.

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