# Service bulletin 08\-104\-20 REV. A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10187712
- Published by NHTSA: 2021\-03\-01
- Manufacturer's number: 08\-104\-20 REV. A
- Manufacturer's date: 2020\-12\-18
- NHTSA component: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM

## NHTSA's summary

Flash: Drive Style Control Module \(DSCM\) Updates This bulletin involves checking if the vehicle dynamic \(DNA\) selector is operable and 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 one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: 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\-14 \- Up Rotary Knob Failure\-Circuit Short To Ground 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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10187712-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10187712-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Equipment and accessories

## Trouble codes named

B1603, U0011, U0012, U1700, U1A18

## Vehicles listed

- 2020 ALFA ROMEO GIULIA

JSON: [/v1/bulletins/10187712](/v1/bulletins/10187712)

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