P0620Generator Control Circuit
Voici ce que signifie le code défaut P0620, pourquoi il apparaît et que faire à son sujet.
Système: Charging system
Généralement sans danger sur de courtes distances, mais faites-le contrôler rapidement.
Ce que signifie P0620
The engine computer detected a problem in the control circuit it uses to command the alternator (generator). This is the wire and signal the computer uses to tell the alternator how much to charge. A fault here can mean the battery is not being charged correctly.
Symptômes courants
- Check engine light on
- Battery or charging warning light may be on
- Dim or flickering lights
- Battery going flat / hard starting
- Electrical accessories acting up
Causes courantes
Classées de la plus courante à la moins courante.
- 1Damaged, corroded, or loose wiring/connectors in the generator control circuit
- 2Faulty alternator or its internal voltage regulator
- 3Open or short in the control wire between the ECM and alternator
- 4Poor ground connection
- 5Failed ECM driver for the charging control (less common)
Que faire
Have the charging system tested soon, since a weak or failing charge can leave you stranded with a dead battery. A shop will check alternator output and inspect the control wiring and connectors. You can usually drive short distances, but watch for a battery warning light and dimming lights, which mean you should stop driving and get it checked.
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Questions fréquentes
Que signifie le code P0620 ?
The engine computer detected a problem in the control circuit it uses to command the alternator (generator). This is the wire and signal the computer uses to tell the alternator how much to charge. A fault here can mean the battery is not being charged correctly.
Quelles sont les causes du code P0620 ?
Les causes les plus courantes sont : Damaged, corroded, or loose wiring/connectors in the generator control circuit, Faulty alternator or its internal voltage regulator, Open or short in the control wire between the ECM and alternator, Poor ground connection, Failed ECM driver for the charging control (less common).
Peut-on rouler sans danger avec le code P0620 ?
Généralement sans danger sur de courtes distances, mais faites-le contrôler rapidement.
Comment corriger le code P0620 ?
Have the charging system tested soon, since a weak or failing charge can leave you stranded with a dead battery. A shop will check alternator output and inspect the control wiring and connectors. You can usually drive short distances, but watch for a battery warning light and dimming lights, which mean you should stop driving and get it checked.
Ce sont des informations générales pour vous aider à comprendre le code P0620, et non un substitut au diagnostic d’un mécanicien qualifié. Confirmez toujours la cause avant de remplacer des pièces.
Les définitions des codes suivent la liste OBD-II normalisée (SAE J2012). CarVinVin est indépendant et n’est affilié à aucun constructeur.