B1279 Honda Code - Dimmer Switch Circuit Malfunction
Quick Answer
The Multiplex Integrated Control Unit (MICU) monitors the Dimmer Switch. Common causes include Faulty Dimmer Switch, Dimmer Switch harness is open or shorted, Dimmer Switch circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- B1279 Honda indicates Dimmer Switch Circuit Malfunction.
- Common causes
- Common causes include Faulty Dimmer Switch, Dimmer Switch harness is open or shorted, Dimmer Switch circuit poor electrical connection.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code B1279 Honda Description
What are the Possible Causes of the DTC B1279 Honda?
- Faulty Dimmer Switch
- Dimmer Switch harness is open or shorted
- Dimmer Switch circuit poor electrical connection
- Faulty Multiplex Integrated Control Unit (MICU)
How to Fix the DTC B1279 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 B1279 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.
Need more information about the B1279 Honda code?
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Frequently Asked Questions about B1279 Honda Code
1. What are the common symptoms of OBDII code B1279 on a Honda related to the dimmer switch circuit malfunction?
- Common symptoms may include issues with the interior lights not working correctly, dashboard lights flickering, or problems adjusting the brightness of the instrument panel.
2. What are the possible causes of the dimmer switch circuit malfunction code B1279 on a Honda?
- The code B1279 can be triggered by a faulty dimmer switch, damaged wiring in the dimmer circuit, a blown fuse, or a malfunctioning body control module.
3. How can I diagnose the dimmer switch circuit malfunction on my Honda when OBDII code B1279 is present?
- To diagnose the issue, start by checking the dimmer switch for proper operation, inspecting the wiring for any visible damage, testing the fuse related to the dimmer circuit, and scanning the body control module for any fault codes.
4. Is it safe to continue driving my Honda with the dimmer switch circuit malfunction code B1279 present?
- While the vehicle may still be operable with this code present, it is recommended to address the issue promptly to avoid potential electrical problems or safety hazards.
5. Can I reset the B1279 OBDII code related to the dimmer switch circuit malfunction on my Honda by disconnecting the battery?
- Disconnecting the battery may clear the code temporarily, but it is not a permanent solution. It is best to diagnose and repair the root cause of the issue to prevent the code from reappearing.
6. Are there any simple repair tips for fixing the dimmer switch circuit malfunction code B1279 on a Honda?
- Simple repair tips include checking and replacing a faulty dimmer switch, repairing damaged wiring, ensuring proper fuse functionality, and reprogramming the body control module if necessary.
7. How much does it typically cost to repair the dimmer switch circuit malfunction code B1279 on a Honda?
- The cost of repair can vary depending on the exact cause of the issue, but it may range from a few hundred dollars for basic repairs to more if components like the body control module need replacement.
8. Can a DIY enthusiast with basic automotive knowledge fix the dimmer switch circuit malfunction code B1279 on a Honda?
- Depending on the exact cause, some DIY enthusiasts may be able to address the issue themselves by following repair guides or consulting with a knowledgeable source. However, complex issues may require professional assistance.
9. Will fixing the dimmer switch circuit malfunction code B1279 on my Honda improve overall vehicle performance?
- Fixing the dimmer switch circuit malfunction will mainly restore proper functionality to the lighting system and ensure electrical components are operating as intended, rather than directly impacting performance.
10. How long does it typically take a mechanic to repair the dimmer switch circuit malfunction code B1279 on a Honda?
- The repair time can vary based on the cause of the issue and the complexity of the repair needed. Simple fixes may take an hour or two, while more involved repairs could extend the repair time.
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