# C1A03 on the 2025 Ford Mustang GTD

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name C1A03

- [11038443](https://open.wenmarpro.com/bulletins/11038443), 2026-10-13: Some 2025\-2026 Mustang GTD vehicles built on or before 28\-Sep\-2026 may exhibit one or more of the following hydraulic system warning messages displayed in the instrument panel cluster \(IPC\): "Suspension Fault Speed Limited to 80 MPH", "Driver Selectable Suspension Fault", "Front Lift Not Available", "Drive Mode Not Available" and/or "Active Aero Fault". Diagnostic trouble codes \(DTC\) U0037, U0759, U075A, U075B, U075C, C0086, U0416, C1041, C1119, C1A03:A2, C1A04:A2, C1A05:A2, C1A06:A2, and/or P0EA7:19 may also be stored in the vehicle dynamics module \(VDM\) and/or powertrain control module \(PCM\). \<br/\>\<br/\> This condition may be caused by VDM software that incorrectly detects or reports a suspension or hydraulic system fault. To correct the condition, reprogram the VDM using the latest software level of the Ford Diagnosis and Repair System \(FDRS\). For claiming, use causal part 18B008 and labor operations 12651D and 12651D4.