![[Canada / Quebec] Tonale PHEV 2023 to 2025 owners: 12V battery dying, EV mode locked out, repeated dealer visits. Multiple Check engine, Anyone else?](https://preview.redd.it/uspisdgmhduh1.png?width=140&height=123&auto=webp&s=ea46f69b83fa4bdd02eccd1a6abeb30e279056ac)
[Canada / Quebec] Tonale PHEV 2023 to 2025 owners: 12V battery dying, EV mode locked out, repeated dealer visits. Multiple Check engine, Anyone else?
Hi everyone,
I own a 2024 Alfa Romeo Tonale PHEV, bought new in August 2023 for over $60,000 CAD. It now has about 72,000 km and 24 dealer visits in just over 3 years.
The recurring issues: the 12V battery has been replaced several times and keeps draining, EV mode gets locked out by repeated check engine codes, and the high voltage battery coolant pump had to be replaced.
Multiple check engine light for update or other problems.
On the latest visit (October 2026), the dealer found code C2129-1F, blamed the drain on the radio, and applied a software update (TSB 08-370-25).
Many owners on international forums describe the exact same symptoms. I'm trying to find out how many of us there are in Canada, especially in Quebec, where the provincial lemon law and the Consumer Protection Act's reasonable durability guarantee may apply.
The goal: gather cases, then bring a joint file to a law firm specializing in class actions, and to Stellantis Canada, if the numbers justify it. If you're dealing with the same problems, please reply (or DM me) with: your province, model year and trim, current mileage, main issues, approximate number of dealer visits and days off the road, and whether you'd be open to joining a group effort.
I'll compile all responses. Please share this in other Tonale and Alfa Romeo owner groups across Canada.
Thanks!