DTC U053B: Invalid Data Received from Image Processing Module A: Description

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The IPMA is integrated into the interior rear view mirror. The PSCM monitors the HS-CAN messages when the ignition has been on for more than 5 seconds, the voltage to the PSCM is greater than 9 volts and there are no DTCs present inhibiting PSCM operation.

DTC U053B:00 (Invalid Data Received from Image Processing Module A: No Sub Type Information) - This DTC sets if the PSCM receives an invalid or unknown message from the IPMA instead of valid lane information.