Pinpoint Test I : B1142:29: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
The BCM monitors the ignition switch inputs. If an invalid combination is detected or the RUN position is not detected during the self-test, the BCM sets a DTC.
BCM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B1142:29 | Ignition Status 1: Signal Invalid | Sets when the BCM detects an invalid combination from the ignition switch input circuits or the RUN position is not detected during the self-test. |
Possible Causes
- Wiring, terminals or connectors
- Ignition switch
- BCM