Posts Tagged: Honda P0685

Honda P0685 code — How to avoid replacing the ECM

How to fix a Honda P0685 code without replacing the ECM A Honda P0685 code is a commonly misdiagnosed problem because the trouble code leads you to believe the problem is in the ECM. That’s because the code is defined as: PCM Power Control Circuit/Internal Circuit Malfunction. But first you have to understand how the ECM works. Honda Job aid helps diagnose a Honda P0685 The Honda Job Aid is for the following vehicles and is designed to help you understand a Honda P0685 trouble code and provides diagnostic advice. … Read More