B0687 Hummer Code - Security System Indicator Circuit Low
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
- B0687 Hummer indicates Security System Indicator Circuit Low.
- 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.
Code B0687 Hummer Description
What are the Possible Causes of the DTC B0687 Hummer?
- 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 B0687 Hummer?
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 B0687 Hummer 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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Frequently Asked Questions about B0687 Hummer Code
1. What are the common symptoms of OBDII code B0687 in a Hummer related to the Security System Indicator Circuit Low?
The common symptoms include the security system indicator light staying illuminated or flickering erratically on the dashboard.
2. What are the possible causes of the OBDII code B0687 in a Hummer?
The code B0687 in a Hummer is typically caused by a faulty security system indicator circuit or a problem with the security system module.
3. How can I diagnose the OBDII code B0687 in my Hummer?
To diagnose the code B0687, you can use an OBDII scanner to read the trouble codes and perform a visual inspection of the security system indicator circuit and module.
4. Can a DIY enthusiast repair the OBDII code B0687 in a Hummer?
If you have experience working with automotive electrical systems, you may be able to repair the code B0687 yourself by checking and repairing any damaged wiring or replacing the security system module.
5. Are there any quick repair tips for fixing the OBDII code B0687 in a Hummer?
One quick repair tip is to check the fuse related to the security system indicator circuit to ensure it is not blown, as a blown fuse can also trigger the code B0687.
6. Is it safe to continue driving my Hummer with the OBDII code B0687 present?
While the code B0687 may not directly affect the drivability of your Hummer, it is recommended to address the issue promptly to ensure the proper functioning of the security system.
7. Can resetting the OBDII system clear the B0687 code in a Hummer?
Resetting the OBDII system may clear the B0687 code temporarily, but if the underlying issue with the security system indicator circuit or module is not resolved, the code is likely to return.
8. How much does it typically cost to repair the OBDII code B0687 in a Hummer at a professional auto repair shop?
The cost of repairing the B0687 code in a Hummer can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
9. Will the OBDII code B0687 cause my Hummer to fail an emissions test?
The B0687 code related to the security system indicator circuit low is not directly related to emissions, so it should not cause your Hummer to fail an emissions test.
10. How long does it usually take to repair the OBDII code B0687 in a Hummer?
The repair time for the B0687 code can vary depending on the complexity of the issue, but a skilled mechanic should be able to diagnose and fix the problem within a few hours to a day.
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