Engine-Codes - Mercury - U1039 MERCURY

U1039 MERCURY - Invalid Or Missing Data For Primary Id Vehicle Speed

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

U1039 MERCURY Possible Causes

  • Faulty Vehicle Speed Sensor
  • Vehicle speed sensor harness or connectors is open or shorted
  • Vehicle speed sensor circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How is the U1039 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.

Tech Notes

There is a factory service bulletin for the following Mercury models:
1998-2002 Mercury Grand Marquis
1998-2002 Mercury Sable
1998-2001 Mercury Mountaineer
Mercury Factory Service Bulletin OBDII Code U1039

What is the cost to diagnose the U1039 MERCURY code

Labor: 1.0

The cost to diagnose the U1039 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)

U1039 MERCURY Meaning

Network Diagnostic Trouble Code (DTC) occurs during module-to-module communication concerns. Invalid data is received from the Vehicle Speed Sensor.

More Information

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