Ignition Run Only Input Circuit Open
Table of contents
B212D RAM Possible Causes
- Faulty Run Relay
- Run Relay harness is open or shorted
- Run Relay circuit poor electrical connection
- Faulty Occupant Classification Module (OCM)
How do I fix code B212D 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 B212D RAM code
The cost of diagnosing the B212D 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)
B212D RAM Description
The Occupant Classification Module (OCM) monitors the Ignition Run/Start Input Circuit. The OCM sets the OBDII codes if the voltage on the Fused Run Relay Output circuit drops below 6.0 volts.