B1159 Honda Code - Gauge Control Module Lost Communication With Multiplex Integrated Control Unit
Quick Answer
The Gauge Control Module monitors the Multiplex Integrated Control Unit (MICU). Common causes include Faulty Multiplex Integrated Control Unit (MICU), Faulty Gauge Control Module, Multiplex Integrated Control Unit (MICU) harness is open or shorted. 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
- B1159 Honda indicates Gauge Control Module Lost Communication With Multiplex Integrated Control Unit .
- Common causes
- Common causes include Faulty Multiplex Integrated Control Unit (MICU), Faulty Gauge Control Module, Multiplex Integrated Control Unit (MICU) harness is open or shorted.
- 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.
Code B1159 Honda Description
What are the Possible Causes of the DTC B1159 Honda?
- Faulty Multiplex Integrated Control Unit (MICU)
- Faulty Gauge Control Module
- Multiplex Integrated Control Unit (MICU) harness is open or shorted
- Multiplex Integrated Control Unit (MICU) circuit poor electrical connection
How to Fix the DTC B1159 Honda?
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 B1159 Honda 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 B1159 Honda Code
1. What are the common symptoms of OBDII code B1159 in a Honda vehicle?
- Common symptoms include malfunctioning gauges on the instrument cluster, flickering dashboard lights, and loss of communication with the multiplex integrated control unit.
2. What can cause the Gauge Control Module to lose communication with the Multiplex Integrated Control Unit in a Honda?
- Possible causes include damaged wiring or connectors, a faulty gauge control module, a malfunctioning multiplex integrated control unit, or a communication network issue within the vehicle.
3. How can I diagnose the issue related to OBDII code B1159 in my Honda?
- Use a diagnostic scan tool to retrieve the specific trouble code B1159, inspect the wiring and connectors for any visible damage, and perform communication tests between the gauge control module and multiplex integrated control unit.
4. Is it safe to drive my Honda with OBDII code B1159 active?
- It is generally not recommended to drive the vehicle with this code active, as it may lead to inaccurate gauge readings and potential safety hazards due to loss of communication between critical control modules.
5. Can I reset the OBDII code B1159 in my Honda by disconnecting the battery?
- Disconnecting the battery may temporarily clear the code, but it is important to diagnose and address the underlying issue causing the communication loss between the gauge control module and multiplex integrated control unit.
6. Are there any common repair tips for fixing OBDII code B1159 in a Honda?
- Common repair tips include checking and repairing any damaged wiring or connectors, ensuring proper connections between modules, and if necessary, replacing the faulty gauge control module or multiplex integrated control unit.
7. How much does it typically cost to repair OBDII code B1159 in a Honda?
- Repair costs can vary depending on the specific cause of the issue. Costs may include labor for diagnosis and repair, as well as potential expenses for replacing components like the gauge control module or multiplex integrated control unit.
8. Can a DIY enthusiast fix OBDII code B1159 in a Honda, or is professional help recommended?
- While some basic diagnostic steps can be performed by a DIY enthusiast, addressing the root cause of the issue and making the necessary repairs may require specialized tools and expertise, so professional help is often recommended.
9. Will OBDII code B1159 cause the vehicle to fail an emissions test?
- Depending on the regulations in your area, a persistent issue like B1159 may cause the vehicle to fail an emissions test due to the malfunctioning components affecting communication and control within the vehicle.
10. How can I prevent OBDII code B1159 from occurring in my Honda in the future?
- To prevent code B1159, it's important to regularly inspect and maintain the electrical system, wiring harnesses, and control modules in your vehicle. Addressing any issues promptly can help avoid communication errors and malfunctions in the future.
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