Challenger D122: Generator Regulator Fault

The fault code indicates an issue with the generator regulator, which is responsible for maintaining proper electrical output from the generator. This fault may result in inconsistent charging or failure to charge the battery.

1. 1

   Generator regulator

2. 2

   Electrical connections to the generator regulator

3. 3

   Battery voltage output

1. 1

   Inspect

   Check the generator regulator for visible damage or wear.

2. 2

   Test

   Measure the battery voltage while the engine is running to determine if the generator is charging properly.

3. 3

   Inspect

   Check the electrical connections to the generator regulator for looseness, corrosion, or damage.