P1608 - Excessive voltage of supply 1

What does P1608 mean?

This error means that the voltage supplied to a specific part of the ECU (supply 1) is too high. Overvoltage can damage sensitive electronic components.

• Problem with the vehicle's charging system
• Faulty voltage regulator
• Wiring short to a higher voltage source

Click steps to track your progress.

1. 1

   Check the vehicle's battery voltage.

2. 2

   Inspect the wiring for the ECU's power supply for any damage or incorrect connections.

3. 3

   Have the charging system inspected by a qualified technician.