# P16C4 on the 2013 Opel Ampera

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 P16C4

- [10164765](https://open.wenmarpro.com/bulletins/10164765), 2019-09-16: This Preliminary Information communication provides information to the technician about vehicles that may have a Check Engine Lamp or Service Vehicle Soon lamp on after charging. If the technician finds Diagnostic Trouble Codes P16C4 or P16C5 set in history, the Hybrid Powertrain Control Module will need to be reprogrammed. If the Diagnostic Trouble Codes are current or return and the Hybrid Powertrain Control Module and the Battery Charger Control Module have the current calibrations then processed to follow published Service Information diagnostics. This may lead to Battery Charger Control Module replacement.