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DTC U1204 (55): IMA-CAN Malfunction (Powertrain Control Module (PCM) - Motor Control Module (MCM))
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Malfunction Threshold
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Malfunction Threshold
One of these conditions is met:
The MCM does not receive any signals via the IMA-CAN lines for at least 1.0 second.
The information sent from the PCM is abnormal at least 50 times.