AutoCodes - Generic - U0403

U0403 Code - Invalid Data Received From Transfer Case Control Module

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

|U0403 code possible causes

  • Faulty Transfer Case Control Module
  • Transfer Case Control Module harness is open or shorted
  • Transfer Case Control Module circuit poor electrical connection

|How do I fix the U0403 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 U0403 code

Labor: 1.0

The cost of diagnosing the U0403 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 U0403 code possible symptoms?

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

|U0403 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 Transfer Case Control Module causing its integrity to be questioned.
OBDII Code U0403 - Invalid Data Received From Transfer Case Control Module - AutoCodes.com

|Need more information with the U0403 code?

Need more information on how to fix the U0403 code? Get Access to Factory Service Manuals

|U0403 code information for specific makes

  • U0403 BUICK Invalid Data Received From Transfer Case Control Module
  • U0403 CADILLAC Invalid Data Received From Transfer Case Control Module
  • U0403 CHEVROLET Invalid Data Received From Transfer Case Control Module
  • U0403 CHRYSLER Invalid Data Received From Transfer Case Control Module
  • U0403 DODGE Invalid Data Received From Transfer Case Control Module
  • U0403 FORD Invalid Data Received From Transfer Case Control Module
  • U0403 GMC Invalid Data Received From Transfer Case Control Module
  • U0403 JEEP Invalid Data Received From Transfer Case Control Module
  • U0403 LINCOLN Invalid Data Received From Transfer Case Control Module
  • U0403 MERCURY Invalid Data Received From Transfer Case Control Module
  • U0403 RAM Invalid Data Received From Transfer Case Control Module

|Need help with a U0403 code?

Get the U0403 code diagnosed by a professional: Find a repair shop in your area

|U0403 code comments

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Repair Importance Level: 3
 
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