DTC U023A: Lost Communication with Image Processing Module A: Description

WARNING: This page is about a different car, the 2020 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

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 U023A:00 (Lost Communication with Image Processing Module A (IPM-A): No Sub Type Information) - This DTC sets when communication between the PSCM and the IPMA fails. For a list of the messages sent to the PSCM from the IPMA, refer to the Network Message List in Description and Operation in the Power Steering article. If messages are missing for more than the allotted time, DTC U023A:00 is set.