Engine-Codes - RAM - U1477 RAM

U1477 RAM Code - Implausible Paddle Shifter Data Received

- Code Popularity: 4,959 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC U1477 RAM?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
⚠ Does your RAM have Safety Recalls? → Check here

How to Fix the DTC 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the U1477 RAM code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the U1477 RAM Code Mean?

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).

U1477 RAM Code - Implausible Paddle Shifter Data Received

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