P0620
Generator Control Circuit Malfunction
Generic code
Computer Output Circuit
High severity
Hard repair
Free on OBD DashX
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What P0620 means
- The fault code P0620 indicates that there is a malfunction in the generator control circuit. This may cause the vehicle's battery to drain, resulting in a no-start condition.
Possible symptoms
- Vehicle may not start or may be difficult to start
- Battery warning light may be illuminated
- Battery may drain quickly
- Electrical system may not function properly
Possible causes
- Faulty generator
- Faulty voltage regulator
- Open or short in the generator control circuit
- Failed engine control module (ECM)
Related parts
- Generator Circuit: Generator provides the electricity to start a car's alternator. This car's generator has an issue that may make it hard to start the car
Possible solutions
- Replace the faulty generator
- Replace the faulty voltage regulator
- Check and repair any open or short in the generator control circuit
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0620 on OBD DashX
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