Challenger D129: Battery Voltage Too High

The system has detected that the battery voltage is higher than the acceptable range. This condition may indicate an issue with the charging system or the battery itself.

1. 1

   battery voltage

2. 2

   charging system

3. 3

   battery condition

1. 1

   Measure the battery voltage

   Use a multimeter to check the battery voltage when the engine is off and when it is running.

2. 2

   Inspect the charging system

   Check the alternator and related components for proper function and connections.

3. 3

   Test the battery

   Verify the battery's condition and capacity using a battery tester.