P1471 - External monitoring IC and CPU fault 1

What does P1471 mean?

This error indicates a communication or functional problem between the external monitoring integrated circuit (IC) and the main CPU within the ECU for the first channel.

• Internal communication issue between ICs
• Faulty external monitoring IC
• CPU malfunction

Click steps to track your progress.

1. 1

   Perform a system reset to clear temporary glitches.

2. 2

   Check ECU connections for integrity.

3. 3

   If the fault recurs, it likely indicates an internal ECU defect.