AutoCodes – GMC – C1216 GMC

C1216 GMC Code - Electronic Brake Control Relay Coil Circuit Open

Quick Answer

The Electronic Brake Control Module (EBCM) monitors the On/Off state of each solenoid and recognizes when the ABS is in pressure decrease too long. 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
C1216 GMC indicates Electronic Brake Control Relay Coil Circuit Open.
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.
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Code Popularity 1,013
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 24, 2020
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Code C1216 GMC Description

The Electronic Brake Control Module (EBCM) monitors the On/Off state of each solenoid and recognizes when the ABS is in pressure decrease too long. This fault indicates that the EBCM was unable to decrease brake pressure enough to a certain wheel to prevent excessive wheel slip.
OBDII Code C1216 GMC - Electronic Brake Control Relay Coil Circuit Open - AutoCodes.com
C1216 GMC Code - Electronic Brake Control Relay Coil Circuit Open

What are the Possible Causes of the DTC C1216 GMC?

  • 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 C1216 GMC?

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 C1216 GMC 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 C1216 GMC code?

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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 C1216 GMC Code

1. What are the common symptoms of OBDII code C1216 (GMC) - Electronic Brake Control Relay Coil Circuit Open?

- Common symptoms include the ABS warning light being illuminated on the dashboard, potential loss of ABS functionality, and possible issues with the brake system.

2. What are some possible causes of OBDII code C1216 (GMC)?

- The code may be triggered by a faulty electronic brake control relay, damaged wiring in the relay circuit, or a malfunctioning ABS system component.

3. How can I diagnose the cause of OBDII code C1216 (GMC)?

- Diagnosing the code typically involves inspecting the electronic brake control relay, checking the wiring for any damage or loose connections, and testing the ABS system components for proper functionality.

4. Can I still drive my vehicle with OBDII code C1216 (GMC) present?

- It is not recommended to drive the vehicle with the code active, as it may affect the ABS system's operation and compromise braking performance.

5. How can I repair OBDII code C1216 (GMC) - Electronic Brake Control Relay Coil Circuit Open?

- Repairing the code may involve replacing the faulty electronic brake control relay, repairing any damaged wiring in the circuit, or addressing any issues with the ABS system components as needed.

6. Is it possible to reset OBDII code C1216 (GMC) without repairing the issue?

- While clearing the code may temporarily turn off the warning light, it is essential to address the underlying cause to prevent potential safety risks and ensure proper vehicle operation.

7. Will OBDII code C1216 (GMC) affect my vehicle's braking performance?

- The code may impact the ABS system's functionality, potentially affecting braking performance, so it is crucial to address the issue promptly to maintain safe driving conditions.

8. How much does it typically cost to repair OBDII code C1216 (GMC) - Electronic Brake Control Relay Coil Circuit Open?

- The cost of repair can vary depending on the specific cause of the code, but it may involve parts and labor expenses ranging from $100 to $500 or more, depending on the extent of the repairs needed.

9. Can a DIY enthusiast repair OBDII code C1216 (GMC) at home?

- While some individuals with automotive repair experience may be able to diagnose and repair the issue at home, it is recommended to consult a professional mechanic for accurate diagnosis and proper repairs to ensure safety and effectiveness.

10. How urgent is it to address OBDII code C1216 (GMC) - Electronic Brake Control Relay Coil Circuit Open?

- It is essential to address the code promptly to prevent potential safety hazards, maintain proper braking functionality, and ensure the ABS system operates correctly during driving.

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