Engine-CodesHonda – B1160 Honda

B1160 Honda Code - Gauge Control Module Lost Communication With Door Multiplex Control Unit

Quick Answer

The B1160 Honda code indicates that the Gauge Control Module has lost communication with the Door Multiplex Control Unit in the vehicle. Common causes include Faulty wiring or connectors, Malfunctioning Gauge Control Module, Malfunctioning Door Multiplex Control Unit. 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
B1160 Honda indicates Gauge Control Module Lost Communication With Door Multiplex Control Unit .
Common causes
Common causes include Faulty wiring or connectors, Malfunctioning Gauge Control Module, Malfunctioning Door Multiplex Control Unit.
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 08, 2024
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Code B1160 Honda Description

The B1160 Honda code indicates that the Gauge Control Module has lost communication with the Door Multiplex Control Unit in the vehicle. The Gauge Control Module is responsible for controlling various gauges and indicators on the dashboard, while the Door Multiplex Control Unit manages the electronic functions of the doors, such as power windows, locks, and mirrors. When these two modules are unable to communicate with each other, it can lead to a range of issues affecting the vehicle's performance and functionality.

OBDII Code B1160 Honda - Gauge Control Module Lost Communication With Door Multiplex Control Unit
B1160 Honda Code - Gauge Control Module Lost Communication With Door Multiplex Control Unit

Common Causes of B1160 Honda

  1. Faulty wiring or connectors
  2. Malfunctioning Gauge Control Module
  3. Malfunctioning Door Multiplex Control Unit
  4. Corrosion or damage to electrical connections
  5. Water damage to electrical components

Symptoms of B1160 Honda

  1. Erratic behavior of dashboard gauges
  2. Power windows, locks, or mirrors not functioning properly
  3. Dashboard indicators not displaying accurate information
  4. Warning lights illuminated on the dashboard

How to Fix B1160 Honda

  1. Perform a thorough inspection of the electrical connections and wiring associated with the Gauge Control Module and Door Multiplex Control Unit.
  2. Check for any signs of corrosion or damage to the connectors and wiring.
  3. Test the functionality of the Gauge Control Module and Door Multiplex Control Unit to determine if they are functioning properly.
  4. Replace any faulty components, such as the Gauge Control Module or Door Multiplex Control Unit, if necessary.
  5. Clear the diagnostic trouble codes and perform a test drive to ensure the issue has been resolved.

Cost to Fix B1160 Honda

The typical repair costs for addressing the B1160 Honda code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, you can expect to pay anywhere from $200 to $500 for parts and labor. However, it's important to note that the actual costs may be higher or lower based on factors such as the location of the repair shop, the make and model of the vehicle, and the complexity of the repair. Labor rates at auto repair shops typically range from $80 to $150 per hour, so it's advisable to get a few quotes from different shops to find the best price for the 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 B1160 Honda Code

1. What are the common symptoms of OBDII code B1160 in a Honda?

The common symptoms include malfunctioning gauges on the instrument cluster, non-functioning power windows, and issues with the door locks.

2. What can cause the OBDII code B1160 in a Honda?

The most common cause of this code is a communication error between the Gauge Control Module and the Door Multiplex Control Unit due to a faulty wiring connection or a defective control module.

3. How can I diagnose the OBDII code B1160 in my Honda?

Diagnosing this code involves using a diagnostic scanner to retrieve the trouble codes, checking the wiring connections between the Gauge Control Module and the Door Multiplex Control Unit, and testing the control modules for proper functioning.

4. Can I still drive my Honda with the OBDII code B1160 present?

It is not recommended to drive the vehicle with this code present, as it may lead to further electrical issues and potential safety hazards due to the loss of communication between critical control modules.

5. How can I repair the OBDII code B1160 in my Honda?

Repairing this code typically involves repairing or replacing damaged wiring connections, resetting the control modules, or replacing the faulty Gauge Control Module or Door Multiplex Control Unit.

6. Is resetting the codes enough to fix the OBDII code B1160 in my Honda?

While resetting the trouble codes may temporarily clear the error, it is essential to diagnose and repair the root cause of the communication issue to prevent the code from reoccurring.

7. Can a DIY enthusiast fix the OBDII code B1160 in a Honda?

Depending on your proficiency with automotive electrical systems, you may be able to diagnose and repair the code yourself by following the manufacturer's repair manual and using the necessary tools.

8. Are there any recalls related to the OBDII code B1160 in Honda vehicles?

Recalls related to this specific code may vary by model and year, so it is recommended to check with the manufacturer or a certified Honda dealership for any relevant recall information.

9. How much can I expect to pay for repairing the OBDII code B1160 in my Honda?

The cost of repairing this code can vary depending on the extent of the damage and the parts that need replacement. It is advisable to obtain quotes from reputable automotive service centers for an accurate estimate.

10. Will fixing the OBDII code B1160 improve the overall performance of my Honda?

Repairing this code will restore proper communication between the control modules, ensuring the functionality of essential vehicle systems and potentially improving the overall performance and safety of your Honda.

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