Category: P0400 à P0499

Understand P048C exhaust pressure control valve circuit issues. Learn symptoms, causes, and repair steps for this DTC affecting cabin heat and cold starts in…

Découvrez la signification du code défaut P048D et les solutions pour un circuit bas dans la vanne de régulation de pression déchappement.

Understand P048E high exhaust pressure control valve circuit issues in OBD-II vehicles like VW, Audi, and Toyota.

Learn about P048F intermittent exhaust pressure control valve circuit issues. Understand causes, symptoms…

Learn about error code P0490: high voltage in the EGR control circuit A. Discover causes, symptoms…

Troubleshoot P0491 code: insufficient airflow in your secondary air injection system (Bank 1).

Understand P0493 Fan Overspeed code causes and fixes. Learn how your vehicles cooling fan system works and when to seek professional diagnostic help for opti…

Discover the meaning of P0494 low fan speed code, its causes, and repair steps for OBD-II vehicles.

Discover the meaning of P0495 high fan speed code, its causes, and solutions for OBD-II vehicles.

Learn about P0496 EVAP flow code causes and fixes for GM, Honda, Hyundai vehicles.