DTC U0159: Lost Communication With Parking Assist Control Module A: Description

WARNING: This page is about a different car, the 2016 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.

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 U0159:00 (Lost Communication With Parking Assist Control Module A: No Sub Type Information) - This DTC is set if communication between the PSCM and the PAM fails. The PAM sends various commands to the PSCM along the HS-CAN. If these commands are missing for more than the allotted amount of time, the PSCM sets DTC U0159:00.