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

WARNING: This page is about a different car, the 2016 Ford Special Service Police Sedan and 2016 Ford Police Interceptor Sedan. However, it is still accessible from the selected car via links, so may be relevant.

The IPM-A 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 IPM-A fails. The IPM-A sends the various lane assist messages to the PSCM over the HS-CAN. If one or more of these messages is missing for more than 1 second the PSCM sets DTC U023A:00.