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Service bulletin 21-037-24

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11001294
Published by NHTSA2024-06-07
Manufacturer's number21-037-24
Manufacturer's date2024-05-23
NHTSA componentPOWER TRAIN; SERVICE BRAKES
Manufacturer's systemDrivetrain Control Module, Anti-Lock Brake Systems

NHTSA's summary

"Flash: Drivetrain Control Module (DTCM) Updates **The Technician may experience an Anti-Lock Brake Systems (ABS) code when requesting a Vehicle Scan Report (VSR): ● U1767-87 - Drivetrain Control Module Node (DTCM) Drivetrain1 Missing.** Customers may experience no difference switching between Auto Mode and Sport Mode in the All Wheel Drive (AWD) systems during high speed maneuvers or snowy/icy conditions. This bulletin involves reprogramming the DTCM with the latest available software."

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Transmission and driveline

Trouble codes named

U1767

Vehicles listed
ALFA ROMEO TONALE PHEV2024 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20256742025-12-09. Brakes
25V8460002025-12-09. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
24V7520002024-10-09. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
20245892024-10-04. Brakes

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
S1705000002 REV.A2025-01-28. Service bulletin. Front Brake Pulsation and/or Clunk Noise
18-054-24 REV. A2024-12-18. Service bulletin. "Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Codes (DTCs): ● **P2601-00 - Electric Coolant Pump Control Circuit Performance Stuck Off.** ● P219A - Bank 1 Air-Fuel Ratio Imbalance. This bulletin involves reprogramming the PCM with the latest available software"
21-046-24 REV. A2024-09-17. Service bulletin. "Flash: Transmission Control Module (TCM) Updates - P0610 - ECU Vehicle Options Mismatch Technicians must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0610 - ECU Vehicle Options Mismatch. This bulletin involves reprogramming the TCM with the latest available software."
21-035-24 REV. A2024-09-10. Service bulletin. "Flash: Transmission Control Module (TCM) Updates Customers may experience: ● Shift paddles will not work when the shifter is in Drive. Shift paddles only work when the transmission is in manual mode. "
S2308000134 REV.B2024-08-08. Service bulletin. Automatic Emergency Braking (AEB) And/Or Forward Collision Warning (FCW) Will Shut Off
21-046-242024-07-30. Service bulletin. "Flash: Transmission Control Module (TCM) Updates - P0610 - ECU Vehicle Options Mismatch Technicians must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0610 - ECU Vehicle Options Mismatch. NOTE: After performing a BCM reset and proxi alignment of all modules, the check engine light will be on with this DTC. This bulletin involves reprogramming the TCM with the latest available software."
S24080000832024-07-26. Service bulletin. Malfunction Indicator Lamp (MIL) on, Start Stop Does Not Operate, Vehicle May Not Start
990402024-07-03. Warranty extension. Warranty Operations Newsletter – Volume 10, Issue 6
990432024-07-03. Warranty extension. FCA Caribbean Warranty Newsletter – Volume 10, Issue 6
18-051-24 REV. A2024-06-18. Service bulletin. "Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P219A - Bank 1 Air-fuel Ratio Imbalance. This bulletin involves reprogramming the PCM with the latest available software."