AutoCodes – Cadillac – C1216 Cadillac

C1216 Cadillac 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 Cadillac 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 1,119
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 Cadillac 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 Cadillac - Electronic Brake Control Relay Coil Circuit Open - AutoCodes.com
C1216 Cadillac Code - Electronic Brake Control Relay Coil Circuit Open

What are the Possible Causes of the DTC C1216 Cadillac?

  • 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 Cadillac?

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 Cadillac 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.

Frequently Asked Questions about C1216 Cadillac Code

1. What does the OBDII code C1216 mean on a Cadillac?

C1216 indicates an issue with the Electronic Brake Control Relay Coil Circuit, specifically an open or faulty circuit.

2. What are common symptoms of the C1216 code in a Cadillac?

Symptoms may include the ABS warning light illuminated, reduced braking performance, or the ABS system not functioning properly.

3. What causes the C1216 code to appear?

Common causes include a faulty electronic brake control relay, damaged wiring or connectors, or a malfunctioning ABS control module.

4. How do I diagnose the C1216 code on my Cadillac?

Start by inspecting the relay, related wiring, and connectors for signs of damage, corrosion, or disconnection. Use a multimeter to check for continuity in the circuit.

5. Can I still drive my Cadillac with a C1216 code?

While the vehicle may still be drivable, the ABS system may not function correctly, which could compromise safety in emergency braking situations.

6. How do I fix the C1216 code on my Cadillac?

Repairs may include replacing the electronic brake control relay, repairing or replacing damaged wiring, or addressing ABS control module issues.

7. How much does it cost to repair the C1216 code on a Cadillac?

Depending on the root cause, repairs can range from $50 for a simple relay replacement to $500 or more if the ABS control module requires replacement.

8. Can a dead battery cause the C1216 code to appear?

A weak or dead battery can sometimes contribute to electrical issues, but it is not a common cause of the C1216 code.

9. Do I need special tools to fix the C1216 code?

A basic multimeter is often sufficient for testing the circuit and relay, but an advanced scan tool may be needed to clear the code and test the ABS system.

10. Will clearing the C1216 code fix the problem?

Clearing the code will not fix the underlying issue. The root cause must be identified and repaired to prevent the code from returning.

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