B1279 Possible Causes
- Faulty Dimmer Switch
- Dimmer Switch harness is open or shorted
- Dimmer Switch circuit poor electrical connection
- Faulty Multiplex Integrated Control Unit (MICU)
How do I fix code B1279
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the B1279 code
Labor: 1.0The cost of diagnosing the B1279 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
B1279 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1279 MeaningThe Multiplex Integrated Control Unit (MICU) monitors the Dimmer Switch. The MICU sets the OBDII code when the Dimmer Switch is not to factory specifications.
B1279 More InformationNeed more information on how to fix the B1279 code?
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