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P0680

Overview

Code

P0680

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 P0680 indicates a malfunction in the engine control module (ECM) power relay circuit

Symptoms

Poor engine performance 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)

Possible Causes

Faulty ECM relay Power supply issue

Diagnostic Steps

1 Inspect ECM power relay 2 Test ECM power supply

Drive Safety Notes

Power supply issues can cause engine control failure

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