Engine-Codes - Generic - U2472

U2472 - Unexpected Ignition State

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

U2472 Possible Causes

  • Faulty Smart Junction Box (SJB)
  • Smart Junction Box harness is open or shorted
  • Smart Junction Box circuit poor electrical connection
  • Faulty Instrument Cluster (IC)

How is the U2472 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 U2472 code

Labor: 1.0

The cost to diagnose the U2472 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.
How much do you know about cars?

Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge

Play Now

Possible Symptoms

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

U2472 Meaning

The Instrument Cluster (IC) receives both the RUN/START and keep alive voltage from the Smart Junction Box (SJB). The Diagnostic Trouble Code (DTC) sets in the IC when it detects a discrepancy between the hardwired voltage input and the messaged ignition state inputs from the SJB for greater than 5 seconds when the ignition switch is in the RUN position.

More Information

Need more information on how to fix the U2472 code?
Get Access to Factory Service Manuals

Information for specific makes

Need more help?

Get the U2472 code diagnosed by a professional: Find a repair shop in your area