# B1603 on the 2019 Alfa Romeo Stelvio

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 B1603

- [10220593](https://open.wenmarpro.com/bulletins/10220593), 2022-09-26: Flash: Drive Style Control Module \(DSCM\) Updates This bulletin involves checking if the vehicle dynamic \(DNA\) selector is operableand possibly reprogramming the DSCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the followingDiagnostic Trouble Code \(DTC\) has been set in the DSCM:U1700\-87 \- Body Control Module \(BCM\) \- Missing Message. U0011\-14 \- Down Rotary Knob Failure\-Circuit Short To Ground Or Open. U0011\-15 \- Down Rotary Knob Failure\-Circuit Short To Battery Or Open. U0012\-15\- Up Rotary Knob Failure\-Circuit Short To Battery Or Open. B1603\-68 \- Rotary Encoder Fault\-Event Information. The following DTC has been set in the Body Control Module \(BCM\):U1A18\-87 \- DSCM \(Drive Style Control Module\)\-Missing Message. The customer may also comment on the following: The vehicle dynamic \(DNA\) selector is inoperable.
- [10188797](https://open.wenmarpro.com/bulletins/10188797), 2021-03-15: Flash: Drive Style Control Module \(DSCM\) Updates This bulletin involves checking if the vehicle dynamic \(DNA\) selector is operableand possibly reprogramming the DSCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the followingDiagnostic Trouble Code \(DTC\) has been set in the DSCM:U1700\-87 \- Body Control Module \(BCM\) \- Missing Message. U0011\-14 \- Down Rotary Knob Failure\-Circuit Short To Ground Or Open. U0011\-15 \- Down Rotary Knob Failure\-Circuit Short To Battery Or Open. U0012\-15\- Up Rotary Knob Failure\-Circuit Short To Battery Or Open. B1603\-68 \- Rotary Encoder Fault\-Event Information. The following DTC has been set in the Body Control Module \(BCM\):U1A18\-87 \- DSCM \(Drive Style Control Module\)\-Missing Message. The customer may also comment on the following: The vehicle dynamic \(DNA\) selector is inoperable.