Engine-Codes - Ram - U1439 RAM

U1439 RAM - Implausible/Missing Programmed Axle Ratio

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

U1439 RAM Possible Causes

  • Faulty Body Control Module (BCM)
  • Body Control Module harness is open or shorted
  • Body Control Module circuit poor electrical connection

How is the U1439 RAM code repair?

Start by checking 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.

What is the cost to diagnose the U1439 RAM code

Labor: 1.0

The cost to diagnose the U1439 RAM code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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Possible Symptoms

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

U1439 RAM Meaning

The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) reports via Controller Area Network (CAN) message that the axle ratio signal is not available.

More Information

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