Engine-Codes - Mercury - U2472 Mercury

U2472 Mercury Code - Unexpected Ignition State

- Code Popularity: 372 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 U2472 Mercury?

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 Smart Junction Box (SJB)
  • Smart Junction Box harness is open or shorted
  • Smart Junction Box circuit poor electrical connection
  • Faulty Instrument Cluster (IC)
⚠ Does your Mercury have Safety Recalls? → Check here

How to Fix the DTC U2472 Mercury?

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 U2472 Mercury 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 U2472 Mercury Code Mean?

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.

U2472 Mercury Code - Unexpected Ignition State

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