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P0622

Overview

Code

P0622

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 P0622 indicates a malfunction in the alternator control circuit

Symptoms

Battery charging light; Dim lights

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

Alternator control

Possible Causes

Faulty alternator; Wiring issues

Diagnostic Steps

1 Inspect alternator control circuit 2 Test alternator output

Drive Safety Notes

Power loss can affect vehicle operation

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