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AutoCodes - Generic - B2390

B2390 Code - Mist Switch Circuit Low

- Code Popularity: 4,011 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B2390?

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 Multifunction Switch
  • Multifunction Switch harness is open or shorted
  • Multifunction Switch circuit poor electrical connection
  • Faulty Cluster
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How to Fix the DTC B2390?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2390 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code B2390 Description

The Cluster monitors the Mist Switch Circuit. The Diagnostic Trouble Code (DTC) is set when the Cluster detects the Mist function inoperative.

OBDII Code B2390 - Mist Switch Circuit Low - AutoCodes.com
B2390 Code - Mist Switch Circuit Low

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Code B2390 comments

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