# Service bulletin 9100503

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: 11015063
- Published by NHTSA: 2025\-03\-05
- Manufacturer's number: 9100503
- Manufacturer's date: 2025\-02\-25
- NHTSA component: ELECTRICAL SYSTEM
- Manufacturer's system: Aux Pump

## NHTSA's summary

Aux Pump Before replacing any parts, please refer to TSB 08\-045\-24 REV. C and TSB 08\-044\-24 REV.C

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11015063-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11015063-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2023 ALFA ROMEO TONALE
- 2025 ALFA ROMEO TONALE
- 2024 ALFA ROMEO TONALE PHEV
- 2024 to 2025 DODGE HORNET

## Recalls for the same vehicles and component

- [23V623000](/recalls/nhtsa/23V623000.md), 2023-09-07: ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; ELECTRICAL SYSTEM:PROPULSION SYSTEM: CABLES:FASTENER/CONNECTOR

## Other bulletins for the same vehicles and component

- [08\-345\-26](/bulletins/11037590.md), 2026-09-30, Service bulletin: ELECTRICAL SYSTEM. Flash: Body Control Module \(BCM\) Updates Customers may experience the following: SYMPTOM: ● The battery is depleted, vehicle will not start. NOTE: The depleted battery is due to a high Ignition Off Draw \(IOD\) current. This bulletin involves reprogramming the BCM with the latest available software.
- [08\-344\-26](/bulletins/11037589.md), 2026-09-30, Service bulletin: ELECTRICAL SYSTEM. Flash: Body Control Module \(BCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation SYMPTOM: the technician must find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ● B25C9 \- Driver Door Ajar Switch 2 Stuck Closed. ● U1412\-09 \- ASU \(Alarm Siren Unit\) \- Component Failures. ● U1413\-09 \- UAM \(Ultrasonic And Antitilt Module\) \- Component Failures. Customers may comment on \*\*one or more of\*\* the following: ● The battery is depleted, vehicle will not start. NOTE: The depleted battery is due to a high Ignition Off Draw \(IOD\) current. ● When the headlamps are placed in "Headlamps Off Delay" mode and the driver door is opened \(engine off\), the Headlamps On alert chime activates until the headlamps turn themselves off \(no chime should be heard while in this mode\) This bulletin involves reprogramming the BCM with the latest available software.
- [08\-343\-26](/bulletins/11037588.md), 2026-09-30, Service bulletin: ELECTRICAL SYSTEM. Flash: Body Control Module \(BCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation SYMPTOM: the technician must find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ● B25C9 \- Driver Door Ajar Switch 2 Stuck Closed. ● U1412\-09 \- ASU \(Alarm Siren Unit\) \- Component Failures. ● U1413\-09 \- UAM \(Ultrasonic And Antitilt Module\) \- Component Failures. Customers may comment on \*\*one or more of\*\* the following: ● The battery is depleted, vehicle will not start. NOTE: The depleted battery is due to a high Ignition Off Draw \(IOD\) current. ● When the headlamps are placed in "Headlamps Off Delay" mode and the driver door is opened \(engine off\), the Headlamps On alert chime activates until the headlamps turn themselves off \(no chime should be heard while in this mode\). This bulletin involves reprogramming the BCM with the latest available software.
- [08\-251\-26 REV. A](/bulletins/11037583.md), 2026-09-30, Service bulletin: ELECTRICAL SYSTEM. Flash: Body Control Module \(BCM\) Updates Customers may experience the following: SYMPTOM: ● The battery is depleted, vehicle will not start. NOTE: The depleted battery is due to a high Ignition Off Draw \(IOD\) current. This bulletin involves reprogramming the BCM with the latest available software.
- [08\-252\-26](/bulletins/11034365.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM; SEATS. Heated Seats and Heated Wheel Turn Off Or Become Disabled Customers may comment on the following: ● Customer may comment that their Heated Seats and Heated Steering Wheel will turn off or become disabled \(button grayed out on display screen\) while driving the vehicle.
- [08\-251\-26](/bulletins/11034364.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. Body Control Module \(BCM\) Missing Generic Flash Support Technicians may experience the following: ● After replacing the BCM, a flash file does not appear / display in wiTECH
- [08\-242\-26](/bulletins/11034319.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. Flash: Auxiliary Hybrid Control Processor Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: 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 in the Instrument Panel Cluster \(IPC\) when the scheduled cabin condition is not performed as planned.\*\* This bulletin involves reprogramming the Auxiliary Hybrid Control Processor \(AHCP\) and Hybrid Control Processor \(HCP\) with the latest available software.
- [08\-241\-26](/bulletins/11034318.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. Flash: Auxiliary Hybrid Control Processor Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: 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 in the Instrument Panel Cluster \(IPC\) when the scheduled cabin condition is not performed as planned. \*This bulletin involves reprogramming the Auxiliary Hybrid Control Processor \(AHCP\) and Hybrid Control Processor \(HCP\) with the latest available software.\*
- [08\-200\-26](/bulletins/11032828.md), 2026-05-20, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) Content Missing Or Screen Blank Customers may experience the following: ● IPC content missing, display abnormal or screen blank
- [08\-200\-26](/bulletins/11032651.md), 2026-05-13, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) Content Missing Or Screen Blank Customers may experience the following: ● IPC content missing, display abnormal or screen blank

JSON: [/v1/bulletins/11015063](/v1/bulletins/11015063)

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