Mist Switch Circuit Low
Table of contents
B2390 RAM Possible Causes
- Faulty Multifunction Switch
- Multifunction Switch harness is open or shorted
- Multifunction Switch circuit poor electrical connection
- Faulty Cluster
How do I fix code B2390 RAM?
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 B2390 RAM code
The cost of diagnosing the B2390 RAM code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B2390 RAM Description
The Cluster monitors the Mist Switch Circuit. The Diagnostic Trouble Code (DTC) is set when the Cluster detects the Mist function inoperative.