Service bulletin 08-028-19 REV. A
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 | 10166590 |
| Published by NHTSA | 2019-10-28 |
| Manufacturer's number | 08-028-19 REV. A |
| Manufacturer's date | 2019-08-23 |
| NHTSA component | ELECTRICAL SYSTEM |
NHTSA's summary
Flash: Battery Pack Control Module (BPCM) Updates This bulletin involves reprogramming the BPCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following DTCs have been set: If DTCs, P0AA1-00 - Hybrid Battery Positive Contactor Circuit Stuck Closed and P0AC0-00 - Hybrid Battery Pack Current Sensor 1 Circuit Performance is set together, follow the published service diagnostic information for P0AA1-00 before proceeding further with this bulletin. If DTC, P0AC0-00 is set without P0AA1-00, proceed with the bulletin. P0AC0-00 - Hybrid Battery Pack Current Sensor 1 Circuit Performance. P1AEC - MCPA HV Battery Voltage Sensor Circuit Performance.
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
Electrical system
Trouble codes named
P0AA1, P0AC0, P1AEC
| RAM 1500 | 2019 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 25V298000 | 2025-05-08. AIR BAGS; ELECTRICAL SYSTEM:WIRING |
|---|---|
| 19V556000 | 2019-07-26. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL |
| 19V142000 | 2019-02-28. ELECTRICAL SYSTEM:12V/24V/48V BATTERY |
| 18V332000 | 2018-05-17. ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
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| 08-208-26 | 2026-05-20. Service bulletin. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle |
| 08-208-26 | 2026-05-13. Service bulletin. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle |