Engine-Codes - Generic - B1250

B1250 Code - Combination Switch Control Unit

- Code Popularity: 2,038 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC B1250?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Combination Switch Control Unit
  • Combination Switch Control Unit harness is open or shorted
  • Combination Switch Control Unit circuit poor electrical connection
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How to Fix the DTC B1250?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B1250 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the B1250 Code Mean?

The Multiplex Control Unit Module (MICU) monitors the Combination Switch Control Unit. The MICU sets the OBDII code when the Combination Switch Control Unit is not to factory specifications.

B1250 Code - Combination Switch Control Unit

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Code B1250 Information for Specific Makes

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