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P0600

Overview

Code

P0600

Code Type

P

Code Class

P0

System

Engine

Severity Level

High

Emissions Related

false

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0600 indicates a malfunction in the communication between the ECM and the TCM

Symptoms

Poor shifting; Check Engine Light

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

Engine Control Module (ECM) and Transmission Control Module (TCM)

Possible Causes

Faulty wiring; ECM/TCM communication failure

Diagnostic Steps

1 Inspect wiring 2 Test ECM and TCM communication

Drive Safety Notes

Transmission may be affected

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