B1159 Acura 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 Acura 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 Acura Description
What are the Possible Causes of the DTC B1159 Acura?
- 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 Acura?
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 Acura 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 Acura Code
1. What are the common symptoms of OBDII code B1159 in an Acura?
- Common symptoms include malfunctioning gauges, flickering lights on the instrument cluster, and loss of communication with the vehicle's multiplex integrated control unit.
2. What can cause the Gauge Control Module to lose communication with the Multiplex Integrated Control Unit in an Acura?
- Possible causes may include a faulty gauge control module, issues with the wiring or connections between the modules, or a malfunction in the multiplex integrated control unit.
3. How serious is the B1159 OBDII code in an Acura?
- While the code itself may not affect the drivability of the vehicle, it can lead to inaccurate readings on the instrument cluster, which may impact the driver's ability to monitor important vehicle functions.
4. How can I diagnose the cause of the communication loss between the Gauge Control Module and Multiplex Integrated Control Unit in my Acura?
- Diagnosing this issue typically requires a professional OBDII scanner to retrieve the specific trouble codes and pinpoint the exact source of the communication problem.
5. Can I repair the B1159 code issue in my Acura myself?
- Depending on your experience and access to tools, you may be able to address this issue yourself by checking wiring connections, replacing faulty modules, or resetting the system. However, seeking professional help is recommended for accurate diagnosis and repair.
6. Are there any temporary fixes for the Gauge Control Module communication loss issue in an Acura?
- In some cases, resetting the modules by disconnecting the battery for a few minutes may temporarily resolve the communication issue. However, this is not a permanent solution and should be followed by proper diagnosis and repair.
7. Will driving with the B1159 code illuminated cause further damage to my Acura?
- Driving with the code illuminated may not cause immediate damage to the vehicle, but it is important to address the underlying communication issue promptly to prevent potential malfunctions in the instrument cluster or other systems.
8. How much does it typically cost to repair the B1159 code in an Acura at a dealership or mechanic?
- Repair costs for this code can vary depending on the exact cause of the communication loss, but it may range from a few hundred to over a thousand dollars, including parts and labor.
9. Can a faulty Gauge Control Module impact other systems in my Acura?
- Yes, a faulty gauge control module can potentially impact other systems that rely on its data, such as the vehicle's lighting controls, climate control, or even the engine management system.
10. Is it safe to continue driving my Acura with the instrument cluster showing erratic behavior due to the B1159 code?
- It is not recommended to drive the vehicle if the instrument cluster is showing erratic behavior, as this can lead to inaccurate readings and potentially compromise your safety on the road. Seek professional assistance to diagnose and repair the issue promptly.
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