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P0685

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P0685 OBD-II Trouble Code: ECM/PCM Power Relay Circuit Malfunction
P0685 code definition P0685 is the fault code for ECM/PCM Power Relay Control Circuit...

Related questions

Question
Car starts, then stalls in one second.
Hi there. This can be a computer issue, but from the codes and the issue it sounds more like a voltage problem. If there is low voltage from a bad battery or a bad connection then the vehicle will act...
Question
I have a 2006 Honda Accord and the dash lights and radio willl sometimes go off then come right back on when I'm going about 40 mph.
The code P0685 refers to the main ECM (computer) relay has lost power. Check the main relay and see if its getting hot. A hot relay will disconnect to cool off and reconnect. If the relay is getting hot, then...

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