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U0146

Overview

Code

U0146

Code Type

U

Code Class

U0

System

Network

Severity Level

High

Emissions Related

false

Drivability Impact

Major

Diagnostic Protocol

CAN

Freeze Frame Useful

false

Code Definition

Diagnostic trouble code U0146 indicates lost communication with the gateway module

Symptoms

Multiple modules offline

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

Network gateway routing

Possible Causes

Gateway module failure

Diagnostic Steps

1 Check gateway power supply 2 Inspect network topology

Drive Safety Notes

Vehicle network unstable

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