Ignition Run/Start Input Circuit Performance
Table of contents
B2100 RAM Possible Causes
- Faulty Ignition Switch
- Ignition Switch harness is open or shorted
- Ignition Switch circuit poor electrical connection
- Faulty Integrated Power Module
- Faulty Front Control Module
How do I fix code B2100 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 B2100 RAM code
The cost of diagnosing the B2100 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)
B2100 RAM Description
The Front Control Module monitors the Ignition Run/Start Input Circuit. The Front Control Module will set this Diagnostic Trouble Code (DTC) if the CAN bus message and the hardwired ignition circuit do not match.