# Service bulletin 08\-328\-25 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: 11024597
- Published by NHTSA: 2025\-10\-29
- Manufacturer's number: 08\-328\-25 REV. A
- Manufacturer's date: 2025\-10\-18
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Security Gateway Module \(SGW\) Software Update Customers may experience one or more of the following: ● SGW module is not responding to diagnostics and showing offline. ● If message for FOTA apprears, then a manual flash is required for SGW update. ● Diagnostic Trouble Code \(DTC\) U3033 \- 00 Control module security certificate Missing/Invalid is active or stored and cannot clear. This DTC will not turn on the Malfunction Indicator Light \(MIL\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11024597-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11024597-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

U3033

## Vehicles listed

- 2025 RAM 2500

## Recalls for the same vehicles and component

- [26V225000](/recalls/nhtsa/26V225000.md), 2026-04-09: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [2026043](/recalls/tc/2026043.md), 2026-02-02: Electrical
- [26V059000](/recalls/nhtsa/26V059000.md), 2026-02-02: ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:BRAKE LIGHTS
- [25V826000](/recalls/nhtsa/25V826000.md), 2025-12-01: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [25V297000](/recalls/nhtsa/25V297000.md), 2025-05-08: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\)

## Other bulletins for the same vehicles and component

- [9100926](/bulletins/11038319.md), 2026-10-07, Service bulletin: ELECTRICAL SYSTEM. WIRELESS CHARGER Welcome GREEN LED not turning ON after multiple IGN ON/OFF without sleep cycle and no phone on the charging pads. Part numbers affected: 68630089AA 68630088AB 68649038AA Welcome Green LED turns on for 1 second after multiple IGN ON/OFF without sleep cycle and no phone on the charging pad. Intent of this condition is to notify the customer/dealership that the Wireless Charging Pad is ready to charge. Do not report as warranty claim, no impact to wireless charger functionality. Part numbers affected: 68630089AB 68630088AD 68649038AB Advice to dealership: Do no replace wireless charger PNs 68630089AA,68630088AB,68649038AA if no Welcome GREEN LED is seen after multiple IGN ON/OFF without sleep cycle and no phone on the charging pads. This feature is available in the successor NIKs, no impact to wireless charger functionality.
- [25\-004\-26 REV. A](/bulletins/11037580.md), 2026-09-30, Service bulletin: ENGINE; ELECTRICAL SYSTEM. Exhaust Gas Temperature \(EGT\) Sensor Water Intrusion ’s VIN MUST be listed in VIP or your RSU VIN list. NOTE: This bulletin applies to ● The Vehicle MUST be built on or before February 16, 2026 \(MDH North America, Enlarged 0216XX\). Europe, Middle East \& ● The vehicle MUST be equipped with a 6.7L I6 Cummins Turbo Africa, and India \& Asia Diesel Engine \(Sales Codes ETM or ETN\). Pacific markets. CUSTOMER Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P2482\-00 \- Exhaust Gas Temperature Sensor Circuit High \- Bank 1 Sensor 5. Customers may also comment on the following: ● Soot load is too high and power derate occurs due to regen being disabled. This bulletin involves replacing the EGT sensors.
- [9100901](/bulletins/11037344.md), 2026-09-17, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- [25\-004\-26](/bulletins/11037339.md), 2026-09-17, Service bulletin: ELECTRICAL SYSTEM; ENGINE. Exhaust Gas Temperature \(EGT\) Sensor Water Intrusion CUSTOMER Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P2482\-00 \- Exhaust Gas Temperature Sensor Circuit High \- Bank 1 Sensor 5. Customers may also comment on the following: ● Soot load is too high and power derate occurs due to regen being disabled. This bulletin involves replacing the EGT sensors.
- [08\-331\-26](/bulletins/11037333.md), 2026-09-17, Service bulletin: ELECTRICAL SYSTEM. Flash: Vehicle System Interface Module \(VSIM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code \(DTC\): ● B2204\-87 \- Ecu Configuration Mismatch\-Missing Message. Customers may comment on the following: ● Odometer is blinking while ignition is on. This bulletin involves inspecting and possibly reprogramming the VSIM with the latest available software.
- [S2623000052 REV. A](/bulletins/11037262.md), 2026-09-10, Service bulletin: AIR BAGS; ELECTRICAL SYSTEM. Airbag Warning Light On or Intermittent. The Occupant Restraint Controller \(ORC\) May Have The Following DTCs \(Active/Stored\)
- [9100879](/bulletins/11036177.md), 2026-08-13, Service bulletin: ELECTRICAL SYSTEM. Front Passenger Display Module Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders, Warranty, Mopar, Customer Pay and Service Contract. Order "68" part number for New, Unsold units only.
- [113795](/bulletins/11036174.md), 2026-08-13, Service bulletin: ELECTRICAL SYSTEM. HEADLAMP
- [113743](/bulletins/11036173.md), 2026-08-13, Service bulletin: ELECTRICAL SYSTEM. HEADLAMP
- [113744](/bulletins/11035981.md), 2026-08-06, Service bulletin: ENGINE; ELECTRICAL SYSTEM. SENSOR \- TURBOCHARGER SPEED

JSON: [/v1/bulletins/11024597](/v1/bulletins/11024597)

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