Ignition Switch Sense Input Circuit High
Table of contents
B2109 RAM Possible Causes
- Faulty Ignition Switch
- Ignition Switch harness is open or shorted
- Ignition Switch circuit poor electrical connection
- Faulty Instrument Cluster
How do I fix code B2109 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 B2109 RAM code
The cost of diagnosing the B2109 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)
B2109 RAM Description
The Instrument Cluster monitors Ignition Switch Sense Input Circuit. The Instrument Cluster sets the OBDII code when the Ignition Switch Sense circuit voltage greater than 4.7 volts.