Engine-Codes - Mercury - U1A4C MERCURY

U1A4C MERCURY - Build/End Of Line Mode Active

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

U1A4C MERCURY Possible Causes

  • Seat calibration routine did not complete successfully
  • Faulty Driver Front Seat Module (DSM)
  • Driver Front Seat Module harness is open or shorted
  • Driver Front Seat Module circuit poor electrical connection

How is the U1A4C MERCURY 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 U1A4C MERCURY code

Labor: 1.0

The cost to diagnose the U1A4C MERCURY 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)

U1A4C MERCURY Meaning

This Diagnostic Trouble Code (DTC) can be set in the Driver Front Seat Module (DSM) if the seat calibration routine has not been completed successfully.

More Information

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