AutoCodes - Generic - U0402

U0402 Code - Invalid Data Received From Transmission Control Module

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|U0402 code possible causes

  • Faulty Transmission Control Module (TCM)
  • Transmission Control Module harness is open or shorted
  • Transmission Control Module circuit poor electrical connection

|How do I fix the U0402 code?

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.

|Cost of diagnosing the U0402 code

Labor: 1.0

The cost of diagnosing the U0402 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.

|What are U0402 code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|U0402 code description

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Operating information and commands are exchanged among the devices. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. Some devices are constantly receiving information from other devices through serial data communication network. The invalid data Diagnostic Trouble Code (DTC) will be set when a receiving device detects a discrepancy in the information it receives from the Transmission Control Module (TCM) causing its integrity to be questioned.
OBDII Code U0402 - Invalid Data Received From Transmission Control Module - AutoCodes.com

|Need more information with the U0402 code?

Need more information on how to fix the U0402 code? Get Access to Factory Service Manuals

|U0402 code information for specific makes

  • U0402 BUICK Invalid Data Received From Transmission Control Module
  • U0402 CADILLAC Invalid Data Received From Transmission Control Module
  • U0402 CHEVROLET Invalid Data Received From Transmission Control Module
  • U0402 CHRYSLER Invalid Data Received From Transmission Control Module
  • U0402 DODGE Invalid Data Received From Transmission Control Module
  • U0402 FORD Invalid Data Received From Transmission Control Module
  • U0402 GMC Invalid Data Received From Transmission Control Module
  • U0402 INFINITI Invalid Data Received From Transmission Control Module
  • U0402 JEEP Invalid Data Received From Transmission Control Module
  • U0402 LINCOLN Invalid Data Received From Transmission Control Module
  • U0402 MERCURY Invalid Data Received From Transmission Control Module
  • U0402 NISSAN Invalid Data Received From Transmission Control Module
  • U0402 RAM Invalid Data Received From Transmission Control Module

|Need help with a U0402 code?

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|U0402 code comments

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Repair Importance Level: 3
 
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