Invalid Or Missing Data For Primary Id Vehicle Speed
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 do I fix code U1039 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’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
Cost of diagnosing the U1039 MERCURY code
The cost of diagnosing the U1039 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
U1039 MERCURY Description
Network Diagnostic Trouble Code (DTC) occurs during module-to-module communication concerns. Invalid data is received from the Vehicle Speed Sensor.