AutoCodes – Chevrolet – C0690 Chevrolet

C0690 Chevrolet Code - Damper Control Relay Circuit Malfunction

Quick Answer

Battery voltage for the strut actuators is supplied to the Electronic Suspension Control (ESC) module through the damper drive relay circuit. Common causes include Faulty Damper Control Relay, Damper Control Relay harness is open or shorted, Damper Control Relay 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: C0690 Chevrolet indicates Damper Control Relay Circuit Malfunction.
Common causes: Common causes include Faulty Damper Control Relay, Damper Control Relay harness is open or shorted, Damper Control Relay 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 4,920

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 Jul 31, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0690 Chevrolet Description

Battery voltage for the strut actuators is supplied to the Electronic Suspension Control (ESC) module through the damper drive relay circuit. The ESC module energizes the damper relay by opening and closing an internal ground for the damping relay coil control circuit. The ESC module monitors the damper drive relay circuit and each strut actuator high-side and low-side drive circuits for fault conditions.

OBDII Code C0690 Chevrolet - Damper Control Relay Circuit Malfunction - AutoCodes.com — C0690 Chevrolet Code - Damper Control Relay Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC C0690 Chevrolet?

Faulty Damper Control Relay
Damper Control Relay harness is open or shorted
Damper Control Relay circuit poor electrical connection

How to Fix the DTC C0690 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0690 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 C0690 Chevrolet code?

Need more information on how to fix the C0690 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0690 Chevrolet code diagnosed by a professional: Find a repair shop in your area

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 C0690 Chevrolet Code

1. What does the OBDII code C0690 mean on a Chevrolet?

C0690 indicates a malfunction in the damper control relay circuit, which is responsible for controlling the air suspension or damping system in the vehicle.

2. What are the common symptoms of the C0690 code on a Chevrolet?

Common symptoms include a warning light on the dashboard, reduced ride comfort, abnormal suspension behavior, or the air suspension failing to adjust properly.

3. What causes the C0690 code to appear on a Chevrolet?

The code is typically caused by a faulty damper control relay, damaged wiring or connectors in the circuit, a blown fuse, or a malfunction in the control module.

4. How do I diagnose the C0690 code on my Chevrolet?

To diagnose, inspect the damper control relay, check the wiring and connectors for damage or corrosion, test the relay for proper function, and verify power supply to the circuit.

5. Can I drive my Chevrolet with the C0690 code?

While driving with the C0690 code may be possible, it is not recommended as it can lead to reduced ride quality and potential damage to the suspension system over time.

6. How do I fix the C0690 code on a Chevrolet?

Repairs may include replacing the damper control relay, repairing damaged wiring or connectors, replacing a blown fuse, or reprogramming or replacing the control module if needed.

7. Is the C0690 code specific to Chevrolet vehicles?

The code C0690 is not exclusive to Chevrolet, but its meaning and repair steps may vary slightly depending on the make and model of the vehicle.

8. How much does it cost to fix the C0690 code on a Chevrolet?

Repair costs vary depending on the issue, but replacing the relay or repairing wiring typically ranges from $100 to $300. Control module replacement can cost more.

9. Can a weak battery cause the C0690 code on a Chevrolet?

Yes, a weak or failing battery can sometimes cause electrical issues, including triggering the C0690 code, due to insufficient power supply to the circuit.

10. Does the C0690 code require professional repair?

If youâ€™re experienced with automotive electrical systems, you may be able to resolve the issue yourself. Otherwise, itâ€™s best to consult a professional mechanic for accurate diagnosis and repair.