AutoCodes – Chevrolet – B0689 Chevrolet

B0689 Chevrolet Code - Security System Indicator Circuit Open

Quick Answer

The security indicator is controlled by the Body Control Module (BCM) based on commands from the immobilizer system or the Content Theft Deterrent (CTD) system. Common causes include Faulty Instrument Panel Cluster (IPC), Instrument Panel Cluster (IPC) harness is open or shorted, Instrument Panel Cluster (IPC) circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B0689 Chevrolet indicates Security System Indicator Circuit Open.
Common causes: Common causes include Faulty Instrument Panel Cluster (IPC), Instrument Panel Cluster (IPC) harness is open or shorted, Instrument Panel Cluster (IPC) circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 2,540

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 18, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B0689 Chevrolet Description

The security indicator is controlled by the Body Control Module (BCM) based on commands from the immobilizer system or the Content Theft Deterrent (CTD) system. With the ignition OFF, the security indicator is commanded by the CTD system. With the ignition ON, the security indicator is commanded by the immobilizer system. The security indicator is located in the Instrument Panel Cluster (IPC) and is supplied B+ at all times. When the immobilizer or CTD system requests the indicator be commanded ON, the BCM grounds the security indicator control circuit, illuminating the indicator.

OBDII Code B0689 Chevrolet - Security System Indicator Circuit Open - AutoCodes.com — B0689 Chevrolet Code - Security System Indicator Circuit Open

What does this mean?

What are the Possible Causes of the DTC B0689 Chevrolet?

Faulty Instrument Panel Cluster (IPC)
Instrument Panel Cluster (IPC) harness is open or shorted
Instrument Panel Cluster (IPC) circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B0689 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 B0689 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 B0689 Chevrolet code?

Need more information on how to fix the B0689 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0689 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 B0689 Chevrolet Code

1. What are common symptoms of OBDII code B0689 in a Chevrolet related to the Security System Indicator Circuit Open?

- Common symptoms include the security light staying on or flashing constantly on the dashboard.

2. What causes the Security System Indicator Circuit Open OBDII code B0689 in a Chevrolet?

- This code is typically caused by a fault in the wiring or connections related to the security system indicator circuit.

3. How can I diagnose the Security System Indicator Circuit Open OBDII code B0689 in my Chevrolet?

- Diagnosis involves checking the wiring, connections, and components related to the security system indicator circuit for any faults or damage.

4. Can a faulty security system indicator light itself trigger the OBDII code B0689 in a Chevrolet?

- Yes, a faulty security system indicator light can contribute to triggering this code if it is not functioning properly.

5. What are some repair tips for fixing the Security System Indicator Circuit Open OBDII code B0689 in a Chevrolet?

- Repair tips include checking and repairing any damaged wiring, ensuring proper connections, and replacing any faulty components in the security system circuit.

6. Is it safe to continue driving my Chevrolet with the Security System Indicator Circuit Open OBDII code B0689?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to prevent any potential security system malfunctions.

7. Can resetting the vehicle's computer system clear the Security System Indicator Circuit Open OBDII code B0689 in a Chevrolet?

- Resetting the computer system may temporarily clear the code, but it is important to diagnose and repair the underlying issue to prevent it from recurring.

8. Are there any common triggers or events that can cause the Security System Indicator Circuit Open OBDII code B0689 to appear suddenly in a Chevrolet?

- Events like electrical shorts, wiring damage, or vehicle modifications can potentially trigger this code to appear suddenly.

9. Will a disconnected or malfunctioning security system affect the overall performance of the vehicle in addition to triggering the OBDII code B0689 in a Chevrolet?

- While the security system issue itself may not directly affect performance, addressing it promptly is important to prevent any potential complications or malfunctions.

10. How can a professional mechanic help in diagnosing and repairing the Security System Indicator Circuit Open OBDII code B0689 in a Chevrolet?

- A professional mechanic can use specialized diagnostic tools and expertise to accurately diagnose the issue, repair any faults in the security system circuit, and clear the code effectively.