# C1035 on the 2025 Mack Pioneer

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 C1035

- [11029447](https://open.wenmarpro.com/bulletins/11029447), 2026-03-03: CBR \- This procedure provides a temporary corrective action for the “Lost Communication to Alternator” message and Vehicle Master Control Unit \(VMCU\) DTC C103508 caused by a software issue.
- [11026035](https://open.wenmarpro.com/bulletins/11026035), 2025-12-03: CBR \- Lost Communication to Alternator Message \- DTC C103508.