Normal Operation
WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
The parking aid module receives the ignition switch state from the smart junction box (SJB) as a network message.
DTC U0140 - is a continuous and on-demand DTC that sets in the parking aid module when ignition switch state messages are not received from the SJB.
This pinpoint test is intended to diagnose the following:
- SJB
- Networked data fault