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Service campaign 74D Combo Rev2

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 campaign
NHTSA id11037265
Published by NHTSA2026-09-10
Manufacturer's number74D Combo Rev2
Manufacturer's date2026-09-04
Campaign id or software version114477
NHTSA componentPOWER TRAIN; ELECTRICAL SYSTEM

NHTSA's summary

Revised Customer Satisfaction Notification 74D – Powertrain Modules Software Update Dealer Notification The powertrain modules software on about 18,900 of the above vehicles may contain multiple software issues that could cause various vehicle operating symptoms or conditions.

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, Transmission and driveline

Vehicles listed
DODGE CHARGER EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
JEEP WAGONEER S2024, 2025

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

Recalls for the same vehicles and component
26V2620002026-04-23. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
20260432026-02-02. Electrical
26V0590002026-02-02. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:BRAKE LIGHTS
20254502025-09-04. Powertrain
25V5740002025-09-04. POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:PARK PAWL

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
S26230000562026-10-07. Service bulletin. The Door Latch Module Has Active Faults With No Warning Indicators In Cluster
91009262026-10-07. Service bulletin. 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.
08-137-26 REV. E2026-10-07. Service bulletin. Flash: Ignition System Control Module (ISCM) Updates PCR9A 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): ● **P0300-00 - Multiple Cylinder Misfire. ● P0301-00 - Cylinder 1 Misfire. ● P0302-00 - Cylinder 2 Misfire. ● P0303-00 - Cylinder 3 Misfire. ● P0304-00 - Cylinder 4 Misfire. ● P0305-00 - Cylinder 5 Misfire. ● P0306-00 - Cylinder 6 Misfire.** NOTE: **The above DTCs are being set during cold starts.** This bulletin involves inspecting and possibly reprogramming the ISCM, TCM and PCM with the latest available software.
21-020-26 REV. E2026-10-07. Service bulletin. Flash: Transmission Control Module (TCM) Updates PCR9A Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P1625-00 - Park Pawl System Failure. NOTE: The above DTCs are being falsely set due to lack of robustness to the diagnostic monitor. Customers may also comment on one or more the following: ● **Slow downshifting when in manual mode.** ● Vehicle exhibits a no crank / no start condition. This bulletin involves inspecting and possibly reprogramming the TCM, PCM and ISCM with the latest available software
18-022-26 REV. F2026-10-07. Service bulletin. Flash: Powertrain Control Module (PCM) Updates PCR9A 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): ● **P032F-00 - Combustion Engine Producing Insufficient Torque. ● P2D28-00 - Cold Start Propulsion Torque Performance. ● U0075-00 - Control Module Communication Bus "C" Off. ● P0610-00 - Control Module Vehicle Options Error. ● P0630-00 - VIN Not Programmed or Incompatible - ECM/PCM. ● P0607-00 - Control Module Performance. ● P0513-00 - Incorrect Immobilizer Key. ● C0501-00 - Left Front Wheel Speed Sensor "A" Range/Performance. ● C0507-00 - Right Front Wheel Speed Sensor "A" Range/Performance. ● C050D-00 - Left Rear Wheel Speed Sensor "A" Range/Performance. ● C0513-00 - Right Rear Wheel Speed Sensor "A" Range/Performance. ● P0520-00 - Engine Oil Pressure Sensor/Switch "A" Circuit. ● P0139-00 - O2 Sensor Circuit Slow Response (Bank 1 Sensor 2). ● P0159-00 - O2 Sensor Circuit Slow Response (Bank 2 Sensor 2).** ● P2096-00 - Downstream Fuel Trim System 1 Lean. ● P2097-00 - Downstream Fuel Trim System 1 Rich. ● P2098-00 - Downstream Fuel Trim System 2 Lean. ● P2099-00 - Downstream Fuel Trim System 2 Rich. ● P068A-00 - ECM Power De-Energized Performance-Too Early. NOTE: The above DTCs are being falsely set due to lack of robustness to the diagnostic monitor. ● P121B-00 - Active Exhaust Valve 2 Performance. ● P1217-00 - Active Exhaust Valve 1 Performance. ● P0172-00 - System To Rich (Bank 1). ● P0175-00 - Fuel System 2/1 Rich. Customers may also comment on the following: ● Vehicle exhibits a no crank / no start condition. ● Exhaust pitch does not track with acceleration. **In addition, the following software enhancement(s) are available: ● Launch Control Feature improvements. ● Resolved "Oil Level Low" warning caused by parking on incline.** This bulletin involves inspecting and possibly reprogramming the PCM, TCM and ISCM with the latest available software
08-351-262026-10-07. Service bulletin. Flash: Electronic Vehicle Control Unit (EVCU) Updates 6C3 Customers may comment on the following: SYMPTOM: ● Instrument Panel Cluster (IPC) displays a maximum power output of 400 kW (536 HP) instead of the specified 370 kW (496 HP). This bulletin involves inspecting and possibly reprogramming the EVCU with the latest available software.
08-350-262026-10-07. Service bulletin. Flash: Electronic Vehicle Control Unit (EVCU) Updates 11C3 Customers may comment on the following: SYMPTOM: ● Instrument Panel Cluster (IPC) displays a maximum power output of 400 kW (536 HP) instead of the specified 370 kW (496 HP). This bulletin involves inspecting and possibly reprogramming the EVCU with the latest available software.
OTHERDOC_1782026-09-17. Other. Radio Over The Air Update to U43.17 R1H Software Version (FOTA) Customers may experience one or more of the following:- Navigation Stability - Android Auto & Carplay stability & connectivity- Power management app- Distorted/glitchy display prior to start‑up animation- Text appearance display- Widget incorrect display- Turn signal blind spot response timing- Audio cut out - Drive Modes selection- Park assist Guidelines se
08-329-262026-09-17. Service bulletin. Inaccurate Horsepower Rating On Display After Update Customers may experience the following: SYMPTOM: ● Instrument Panel Cluster (IPC) displays an inaccurate horsepower (HP) or kilowatt (kW) range after CSN-74D update. Displaying inaccurate horsepower rating on display after update CSN-74D, CSN-79D, CSN-80D.
S2623000052 REV. A2026-09-10. Service bulletin. Airbag Warning Light On or Intermittent. The Occupant Restraint Controller (ORC) May Have The Following DTCs (Active/Stored)