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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 /Open. What the P0685 code means The PCM (powertrain control module) receives data about the vehicle’s operating...

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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...

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