# Service bulletin 0500423

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: 10242807
- Published by NHTSA: 2023\-09\-25
- Manufacturer's number: 0500423
- Manufacturer's date: 2023\-07\-14
- NHTSA component: SERVICE BRAKES, HYDRAULIC

## NHTSA's summary

Brake Thumping Noise Customer may experience a thumping noise and/or pulsation while braking. This bulletin involves inspecting and if necessary replacing the front and rear left and right brake pads and retention springs and brake rotors.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242807-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242807-9999.pdf)

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

## Components

Brakes

## Vehicles listed

- 2021 to 2022 ALFA ROMEO STELVIO

## Recalls for the same vehicles and component

- [2021264](/recalls/tc/2021264.md), 2021-05-04: Brakes
- [21V309000](/recalls/nhtsa/21V309000.md), 2021-05-04: SERVICE BRAKES, HYDRAULIC

## Other bulletins for the same vehicles and component

- [S1705000002 REV.A](/bulletins/11013151.md), 2025-01-28, Service bulletin: SERVICE BRAKES. Front Brake Pulsation and/or Clunk Noise
- [2100923](/bulletins/10236927.md), 2023-05-30, Service bulletin: FUEL SYSTEM, GASOLINE; POWER TRAIN; ELECTRICAL SYSTEM; BACK OVER PREVENTION; EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; SERVICE BRAKES, HYDRAULIC; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Flash: Transmission Control Module \(TCM\) Updates \*\*Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes \(DTCs\) have been set: ? P043E\-00 \- EVAP System Leak Detection Reference Orifice Low Flow. ? P2C33\-00 \- Crankcase Pressure Sensor B Circuit Range/Performance. ? P2C91 \- Crankcase Ventilation System \- Hose 9B9 Disconnected. ? P00B2\-00 \- Radiator Coolant Temperature Sensor Circuit Range\-Performance. ? P304A\-00 \- Fuel Rail Pressure Sensor 1 \- Out Of Range High. ? P304E\-00 \- Fuel Rail Pressure Sensor 2\-Out Of Range High. ? P02D2\-00 \- Cylinder 4 Fuel Injector 9A9 Offset Learning At Min Limit. ? P0607\-00 \- Control Module Performance. ? P0072\-00 \- Ambient Air Temperature Sensor Circuit Low. ? P0073\-00 \- Ambient Air Temperature Sensor Circuit High.\*\*Some customers may experience the following: ? Harsh or erratic shifting between any gear. This bulletin involves reprogramming the TCM with the latest available software. NOTE: \*\*Additional module flash is required for this update to be effective, the following module is to be updated along with this TCM update: ? Powertrain Control Module \(PCM\).\*\*

JSON: [/v1/bulletins/10242807](/v1/bulletins/10242807)

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