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P0602

Overview

Code

P0602

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 P0602 indicates a problem with the ECM's programming

Symptoms

Check Engine Light; Reduced engine power

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)

Possible Causes

Corrupted ECM software; Faulty ECM programming

Diagnostic Steps

1 Inspect ECM software 2 Reprogram ECM if necessary

Drive Safety Notes

Engine power may be reduced

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