Implausible Paddle Shifter Data Received
Table of contents
U1477 RAM Possible Causes
- Check for Steering Control Module (SCM) codes
- Faulty Transmission Control Module (TCM)
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
How do I fix code U1477 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 U1477 RAM code
The cost of diagnosing the U1477 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)
U1477 RAM Description
The purpose of the diagnostic is to monitor the Controller Area Network (CAN) BUS, the transmitted messages on the CAN BUS and the validity of the CAN signals. The Diagnostic Trouble Code (DTC) sets when the Transmission Control Module (TCM) detects an incorrect signal ID from the Steering Control Module (SCM).
