# P16F4 on the 2026 Chevrolet Suburban

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 P16F4

- [11027888](https://open.wenmarpro.com/bulletins/11027888), 2026-01-30: This P/I is advising that the TCM should not be replaced for DTC P16F4 and to request FSE assistance for a TCM data pull.