P0622
Generator Field/F Terminal Circuit
Generic code
Computer Output Circuit
High severity
Hard repair
Free on OBD DashX
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What P0622 means
- 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
Free on OBD DashX
P0622 on OBD DashX
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