Normal Operation and Fault Conditions
WARNING: This page is about a different car, the 2020 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
With the ignition ON, the GSM sends messages to the ABS module over the HS-CAN 2. If the ABS module does not receive these messages within a certain time frame (usually less than 1 second), the ABS module sets a DTCs. For information on the messages sent to the ABS module by the GSM, refer to the Description and Operation in the Anti-Lock Brake System (ABS) and Stability Control article.
PPT AV ABS MODULE DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0103:00 | Lost Communication With Gear Shift Control Module A: No Sub Type Information | Sets in continuous memory and on-demand when any of the GSM messages are missing. This can be due to a GSM failure, a circuit failure on the HS-CAN2 or an excessive load on the network. |
| U0404:86 | Invalid Data Received from Gear Shift Control Module A: Signal Invalid | This DTC sets if the GSM state message or the GSM button quality state is invalid or faulty. |