No Fuel Level Bus Message
Table of contents
P1681 RAM Possible Causes
- Low fuel level
- Faulty Instrument Cluster
- Instrument Cluster harness is open or shorted
- Instrument Cluster circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How do I fix code P1681 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 P1681 RAM code
The cost of diagnosing the P1681 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)
P1681 RAM Description
The no fuel level bus message is monitored with the ignition on. The Diagnostic Trouble Code (DTC) will set if no fuel level BUS messages received by the Powertrain Control Module (PCM) for 20 seconds.