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Advanced Diagnostics - Civic - DTC P0603 Through P0966
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DTC P0685: Engine Control Module (ECM)/Powertrain Control Module (PCM) Power Control Circuit/Internal Circuit Malfunction (K20Z3 Engine)
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Malfunction Threshold (K20Z3 Engine)
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Malfunction Threshold (K20Z3 Engine)
The ECM/PCM is shut down without the normal shut down procedure.