Engine-CodesAcura – B1155 Acura

B1155 Acura Code - Gauge Control Module Lost Communication With Combination Switch Control Unit

Quick Answer

The B1155 diagnostic trouble code for Acura vehicles indicates that the Gauge Control Module has lost communication with the Combination Switch Control Unit. Common causes include Faulty wiring or connectors between the Gauge Control Module and Combination Switch Control Unit, Malfunctioning Gauge Control Module or Combination Switch Control Unit, Software glitch in one of the modules. 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
B1155 Acura indicates Gauge Control Module Lost Communication With Combination Switch Control Unit.
Common causes
Common causes include Faulty wiring or connectors between the Gauge Control Module and Combination Switch Control Unit, Malfunctioning Gauge Control Module or Combination Switch Control Unit, Software glitch in one of the modules.
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.
Table of contents Created and updated by William Orellana on Sep 24, 2024
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Code B1155 Acura Description

The B1155 diagnostic trouble code for Acura vehicles indicates that the Gauge Control Module has lost communication with the Combination Switch Control Unit. The Gauge Control Module is responsible for managing various gauges and indicators on the vehicle's instrument cluster, while the Combination Switch Control Unit handles functions such as turn signals, headlights, and windshield wipers. When these two modules fail to communicate effectively, it can lead to a range of issues affecting the vehicle's performance and safety.

OBDII Code B1155 Acura - Gauge Control Module Lost Communication With Combination Switch Control Unit
B1155 Acura Code - Gauge Control Module Lost Communication With Combination Switch Control Unit

Common Causes of B1155 Acura

  1. Faulty wiring or connectors between the Gauge Control Module and Combination Switch Control Unit.
  2. Malfunctioning Gauge Control Module or Combination Switch Control Unit.
  3. Software glitch in one of the modules.
  4. Electrical interference or corrosion affecting communication signals.
  5. Impact or damage to the modules due to external factors.

Symptoms of B1155 Acura

  1. Inaccurate readings on the instrument cluster gauges.
  2. Flickering or non-functional indicators on the instrument cluster.
  3. Loss of control over turn signals or headlights.
  4. Warning lights illuminated on the dashboard.

How to Fix B1155 Acura

  1. Perform a thorough diagnostic scan to retrieve the B1155 code and identify the specific module(s) involved.
  2. Inspect wiring and connectors for any signs of damage or corrosion, repairing or replacing as necessary.
  3. Test the Gauge Control Module and Combination Switch Control Unit for proper functionality, replacing any faulty components.
  4. Clear the diagnostic trouble code from the vehicle's system and perform a test drive to ensure proper communication and functionality.
  5. Conduct a final inspection to verify that all systems are working correctly and that the issue has been resolved.

Cost to Fix B1155 Acura

The typical repair costs for addressing the B1155 code can vary depending on the extent of the issue and the specific components that require replacement. On average, the parts for this repair may range from $200 to $500, while labor costs could add another $100 to $300 to the total bill. Keep in mind that these estimates are general figures, and actual costs may vary based on factors such as location, vehicle make and model, and the technician's hourly rates. It is recommended to obtain quotes from local auto repair shops to get a more accurate cost estimate for this repair.

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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 B1155 Acura Code

1. What are the common symptoms of OBDII code B1155 in an Acura?

- Common symptoms include malfunctioning gauges on the instrument cluster, illuminated warning lights, and loss of functionality in the combination switch controls.

2. What does the OBDII code B1155 in an Acura indicate?

- The code B1155 indicates that there is a communication failure between the Gauge Control Module and the Combination Switch Control Unit in the vehicle.

3. What are some possible causes of OBDII code B1155 in an Acura?

- The code B1155 can be caused by wiring issues, faulty connectors, a malfunctioning Gauge Control Module, or a defective Combination Switch Control Unit.

4. How can I diagnose the OBDII code B1155 in my Acura?

- Diagnosing the B1155 code typically involves conducting a thorough inspection of the wiring, connectors, and components involved in the communication between the Gauge Control Module and the Combination Switch Control Unit.

5. Is it safe to continue driving my Acura with the B1155 code present?

- It is not recommended to drive the vehicle with the B1155 code present, as it can lead to further electrical issues and potentially affect the vehicle's overall performance.

6. How can I repair the OBDII code B1155 in my Acura?

- Repairing the B1155 code may involve repairing or replacing damaged wiring, connectors, the Gauge Control Module, or the Combination Switch Control Unit, depending on the root cause of the communication failure.

7. Can I reset the OBDII code B1155 in my Acura using a scanner?

- Yes, you can reset the B1155 code using an OBDII scanner after the underlying issue has been diagnosed and repaired. However, if the problem is not fixed, the code is likely to reappear.

8. Are there any DIY tips for troubleshooting the OBDII code B1155 in an Acura?

- DIY troubleshooting tips include checking for loose or damaged wiring, ensuring proper connections, and inspecting for any visible signs of damage to the Gauge Control Module or Combination Switch Control Unit.

9. How much does it typically cost to repair the OBDII code B1155 in an Acura?

- The cost of repairing the B1155 code can vary depending on the specific cause of the issue and the extent of repairs needed. Costs may include parts, labor, and diagnostic fees.

10. Can a professional mechanic help me with diagnosing and repairing the OBDII code B1155 in my Acura?

- Yes, a professional mechanic with experience in automotive diagnostics can help accurately diagnose the B1155 code and perform the necessary repairs to address the communication failure between the Gauge Control Module and the Combination Switch Control Unit.

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