P0622

2017-10-10

Description:

  • The fault code P0622 indicates that there is a malfunction in the generator field terminal circuit, which can result in the vehicle's battery not charging properly or the battery light on the dashboard coming on.

Possible Symptoms:

  • Battery light on the dashboard may come on

  • Battery may not charge properly

  • May experience difficulty starting the vehicle

  • Electrical components may not function properly

Possible Causes:

  • Damaged or corroded wiring in the generator field circuit

  • Loose or poorly connected wires in the generator field circuit

  • Failed generator (alternator)

  • Failed battery

  • Failed engine control module (ECM)

Related Parts:

  • Generator Lamp: Bulb on the Instument Panel that denotes a fault in the generator system. This car's bulb doesn't work

Possible Solutions:

  • Inspect and repair any damaged or corroded wiring in the generator field circuit

  • Ensure all wires in the generator field circuit are tightly connected

  • Replace the generator (alternator) if necessary

  • Replace the battery if necessary

  • Replace the engine control module (ECM) if necessary

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