Engine-Codes - RAM - U1440 RAM

U1440 RAM Code - Implausible/Missing Programmed Transfer Case Hi Ratio

- Code Popularity: 6,104 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
ChatAC AutoCodes.com AI Chat

What are the Possible Causes of the DTC U1440 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.
  • Faulty Transmission Control Module (TCM)
  • Transmission Control Module (TCM) harness is open or shorted
  • Transmission Control Module (TCM) circuit poor electrical connection
  • Faulty Totally Integrated Power Module (TIPM)
⚠ Does your RAM have Safety Recalls? → Check here

How to Fix the DTC U1440 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.

Search for U1440 RAM Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the U1440 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 U1440 RAM Code Mean?

This programmed Transfer Case Hi Ratio information is received from the Totally Integrated Power Module (TIPM) to be used by the Transmission Control Module (TCM) as part of speed sensor diagnostics. This fault is set when any other values other than 1.0 is received, or the message is not received for more than 10.5 seconds.

U1440 RAM Code - Implausible/Missing Programmed Transfer Case Hi Ratio

Need more Information on the Code?

Need more information on how to fix the U1440 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1440 RAM code diagnosed by a professional: Find a repair shop in your area