ALFA ROMEO
08-400-25 REV. A
Manufacturer communications
- Publication date
- 2025-12-23
- Received by NHTSA
- 2026-01-07
- NHTSA record numbers
- 11027234
Manufacturer summary
Original wording in English
Flash: Dual Power Invertor Module (DPIM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P2601-00 - Electric Coolant Pump Control Circuit Performance Stuck Off.
• U0623-00 - Lost Communication With Coolant Pump "A".
• P1DBA - Battery Cooling System Failure (Module, Hybrid Control Processor (HCP)). Customers may experience the following:
• The vehicle is not performing a scheduled cabin preconditioning. 'Cabin Preconditioning Unavailable' message present when the scheduled cabin condition is not performed as planned **This bulletin involves inspecting and possibly reprogramming the DPIM with the latest available software.**
• P2601-00 - Electric Coolant Pump Control Circuit Performance Stuck Off.
• U0623-00 - Lost Communication With Coolant Pump "A".
• P1DBA - Battery Cooling System Failure (Module, Hybrid Control Processor (HCP)). Customers may experience the following:
• The vehicle is not performing a scheduled cabin preconditioning. 'Cabin Preconditioning Unavailable' message present when the scheduled cabin condition is not performed as planned **This bulletin involves inspecting and possibly reprogramming the DPIM with the latest available software.**
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Alfa Romeo
P1DBABattery Cooling System Failure (Module, Hybrid Control Processor (HCP))Alfa Romeo
P2601-00Electric Coolant Pump Control Circuit Performance Stuck OffAlfa Romeo
U0623-00Lost Communication With Coolant Pump "A"Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Alfa Romeo | TONALE PHEV | 2024 |