Engine-Codes - Ram - U1433 RAM

U1433 RAM - Implausible Igntion Switch Status Message Received

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

U1433 RAM Possible Causes

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

How is the U1433 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 U1433 RAM code

Labor: 1.0

The cost to diagnose the U1433 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)

U1433 RAM Meaning

The Body Control Module (BCM) monitors the hardwired ignition switch input circuit from the Radio Frequency (RF) Hub module and compares it to the ignition switch status message received over the Controller Area Network (CAN) bus. The Diagnostic Trouble Code (DTC) sets when the RF Hub receives a Bussed Input message of the Ignition Switch status from the BCM. If that message does not agree with the RF Hub Ignition Switch status, this code will set. The BCM also sends an Ignition Switch "Sensor" message. If the RF Hub and the BCM do not agree on Both of those messages, the Powertrain Control Module (PCM) will not allow the engine to start.

More Information

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