Engine-Codes - Generic - U1502

U1502 - Implausible Message Data Length Received From TCM

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

U1502 Possible Causes

  • Faulty Transmission Control Module (TCM)
  • Transmission Control Module harness is open or shorted
  • Transmission Control Module circuit poor electrical connection
  • Faulty Anti-Lock Brakes (ABS) Module

How is the U1502 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 U1502 code

Labor: 1.0

The cost to diagnose the U1502 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)

U1502 Meaning

The Diagnostic Trouble Code (DTC) will set if the Anti-Lock Brakes Module detects bus messages from the Transmission Control Module (TCM) are of improper data length.

More Information

Need more information on how to fix the U1502 code?
Get Access to Factory Service Manuals

Information for specific makes

Need more help?

Get the U1502 code diagnosed by a professional: Find a repair shop in your area