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Home >> Acura >> 2009 >> RL >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Advanced Diagnostics >> DTC P0685: Powertrain Control Module (PCM) Power Control Circuit Malfunction (Power Control Circuit) >> Diagnosis Details >> Conditions for illuminating the MIL
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Conditions for illuminating the MIL

When a malfunction is detected during the first drive cycle, a Temporary DTC is stored in the PCM memory. If the malfunction recurs during the next (second) drive cycle, the MIL comes on and the DTC and the freeze frame data are stored.