B1155 Code - Gauge Control Module Lost Communication With Combination Switch Control Unit
Quick Answer
The Gauge Control Module monitors the Combination Switch Control Unit. Common causes include Faulty Combination Switch Control Unit, Faulty Gauge Control Module, Gauge Control Module 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
- B1155 indicates Gauge Control Module Lost Communication With Combination Switch Control Unit.
- Common causes
- Common causes include Faulty Combination Switch Control Unit, Faulty Gauge Control Module, Gauge Control Module 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 B1155 Description
What are the Possible Causes of the DTC B1155?
- Faulty Combination Switch Control Unit
- Faulty Gauge Control Module
- Gauge Control Module harness is open or shorted
- Gauge Control Module circuit poor electrical connection
How to Fix the DTC B1155?
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 B1155 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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Information for Specific Makes
- B1155 Acura — Gauge Control Module Lost Communication With Combination Switch Control Unit
- B1155 Buick — SDM Calibration Mismatch
- B1155 Cadillac — SDM Calibration Mismatch
- B1155 Chevrolet — SDM Calibration Mismatch
- B1155 Ford — Subwoofer 1 Short to Battery
- B1155 GMC — SDM Calibration Mismatch
- B1155 Honda — Gauge Control Module Lost Communication With Combination Switch Control Unit
- B1155 Lincoln — Subwoofer 1 Short to Battery
- B1155 Mercury — Subwoofer 1 Short to Battery
Frequently Asked Questions about B1155 Code
1. What are the common symptoms of OBDII code B1155?
- Common symptoms include malfunctioning gauges on the instrument cluster, inoperative warning lights, and loss of communication with the combination switch control unit.
2. What can cause the OBDII code B1155 to appear?
- The code B1155 typically appears when there is a communication breakdown between the gauge control module and the combination switch control unit in the vehicle.
3. How can I diagnose the issue related to code B1155?
- Diagnosis involves using a scan tool to retrieve the specific trouble code (B1155) and checking the wiring connections between the gauge control module and the combination switch control unit.
4. What are some repair tips for fixing OBDII code B1155?
- Repair tips include checking and repairing any damaged wiring connections, ensuring proper ground connections, and resetting the fault code using a diagnostic tool after the repair.
5. Can OBDII code B1155 cause any safety concerns?
- While code B1155 itself may not pose immediate safety risks, it can lead to inaccurate gauge readings or warning lights, potentially affecting the driver's ability to monitor critical vehicle functions.
6. Is it possible to drive the vehicle with OBDII code B1155 present?
- It is generally not recommended to drive the vehicle with unresolved OBDII code B1155, as it may result in inaccurate instrument readings and a loss of communication with essential control units.
7. How much does it typically cost to repair OBDII code B1155?
- The cost of repairing OBDII code B1155 can vary depending on the extent of the issue, but it may involve labor costs for diagnosis and repair, as well as potential costs for replacement parts.
8. Can OBDII code B1155 be triggered by a loose fuse or relay?
- Yes, a loose or faulty fuse or relay related to the gauge control module or combination switch control unit can potentially trigger OBDII code B1155 due to disrupted communication.
9. Are there any recalls or technical service bulletins related to OBDII code B1155?
- It is advisable to check with the vehicle manufacturer or authorized dealerships for any recalls or technical service bulletins related to OBDII code B1155, as manufacturers may provide guidance on common issues.
10. How can I prevent OBDII code B1155 from reoccurring in the future?
- To prevent the reoccurrence of code B1155, it is essential to regularly inspect and maintain the wiring connections, fuses, relays, and control modules involved in the communication system to ensure proper function.
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