# C1631 on the 2011 Infiniti M37

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 C1631

- [10044444](https://open.wenmarpro.com/bulletins/10044444), 2012-07-03: INFINITI: WARNING LIGHT IS ON FOR 4 WHEEL ACTIVE STEER \(4WAS\) WHICH IS RELATED TO ABS ACTUATOR. DTC\-C1631, C1930, C1138, C1A04. \*PE UPDATED 7/18/12. \*PE