2017–2018 Alfa Romeo Giulia, 2018 Alfa Romeo Stelvio Recall: These engines may misfire causing the catalytic converter to overheat…
NHTSA campaign 18V636000 · Electrical System · filed Sep 14, 2018 · verified Sep 13, 2026
The defect
Chrysler (FCA US LLC) is recalling certain 2017-2018 Alfa Romeo Giulia and 2018 Alfa Romeo Stelvio vehicles, equipped with 2.0L engines. These engines may misfire causing the catalytic converter to overheat, possibly resulting in damage to the nearby wiring and engine components.
The risk
Heat damage to the engine compartment wiring or components can increase the risk of a fire or it can cause an engine stall, increasing the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Chrysler will notify owners, and dealers will inspect the vehicles for diagnostic codes, and update the engine control module software, free of charge. The recall began October 10, 2018. Owners may contact Chrysler customer service at 1-844-253-2872. Chrysler's number for this recall is UA4.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Alfa Romeo | Giulia | 2017, 2018 |
| Alfa Romeo | Stelvio | 2018 |
Related recalls
More Alfa Romeo Giulia recalls
- 2024 Alfa Romeo Giulia — Wiring harness may have been misrouted, which can cause the…
- 2020–2025 Alfa Romeo Giulia and 1 other model — Printed circuit board and software for the rearview camera…
- 2017–2019 Alfa Romeo Giulia and 1 other model — Fuel pump may fail, which can result in a loss of fuel flow…
- 2019–2020 Alfa Romeo Giulia and 1 other model — Fastener that connects the brake pedal and the brake…
- 2017–2024 Alfa Romeo Giulia and 4 other models — A seat belt buckle switch sensor may be improperly…
Other campaigns involving Alfa Romeo vehicles
- 2023–2026 Alfa Romeo Tonale and 1 other model — Rear outboard seat belts may become twisted and fail to…
- 2024 Alfa Romeo Tonale PHEV and 1 other model — Brake pedal may collapse and cause a loss of brake function
- 2023–2025 Alfa Romeo Tonale and 2 other models — Display module may not show the rearview camera image
Source: NHTSA recall database, campaign 18V636000 (manufacturer number UA4). Data last verified Sep 13, 2026.