Service bulletin 21-009-25 REV. B
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 | 11016879 |
| Published by NHTSA | 2025-04-08 |
| Manufacturer's number | 21-009-25 REV. B |
| Manufacturer's date | 2025-04-05 |
| NHTSA component | POWER TRAIN |
| Manufacturer's system | D Clutch Repair |
NHTSA's summary
"850RE D Clutch Repair **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must have at least 11,265 km (7,000 mi.) and exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● P0733-00 - Gear 3 Shift Incorrect Ratio. ● P1DA8-00 - Incorrect Gear Ratio Clutch A B or D Defective. ● P1D92-00 - Incorrect Gear Ratio - Clutch 4 Defective. Customers may also comment on one or more of the following: ● Transmission slips when shifting. ● Vehicle will not move in reverse. ● Vehicle will not shift higher than third gear This bulletin involves replacing the D clutch."
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
Transmission and driveline
Trouble codes named
P0733, P1D92, P1DA8
| CHRYSLER 300 | 2020, 2021, 2022, 2023 |
|---|---|
| DODGE CHALLENGER | 2020, 2021, 2022, 2023 |
| DODGE CHARGER | 2020, 2021, 2022, 2023 |
| DODGE CHARGER AWD | 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| DODGE DURANGO | 2020, 2021, 2022, 2023, 2024, 2025 |
| JEEP GLADIATOR | 2020, 2021, 2022, 2023, 2024, 2025 |
| JEEP GRAND CHEROKEE | 2020, 2021, 2022, 2023, 2024 |
| JEEP GRAND CHEROKEE 4XE | 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| JEEP GRAND CHEROKEE L | 2021, 2022, 2023, 2024 |
| JEEP GRAND WAGONEER | 2022 |
| JEEP WAGONEER | 2022 |
| JEEP WRANGLER | 2020, 2021, 2022, 2023, 2024, 2025 |
| RAM 1500 | 2020, 2021, 2022, 2023, 2024, 2025 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 26V413000 | 2026-06-30. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL) |
|---|---|
| 24V572000 | 2024-08-01. POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE:SOFTWARE |
| 2024325 | 2024-06-06. Powertrain |
| 24V413000 | 2024-06-06. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION |
| 23V641000 | 2023-09-18. POWER TRAIN:MANUAL TRANSMISSION |
| 23V640000 | 2023-09-18. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT |
| 2023335 | 2023-06-08. Powertrain |
| 23V265000 | 2023-04-13. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM) |
| 2023089 | 2023-02-23. Powertrain |
| 23V116000 | 2023-02-23. POWER TRAIN:CLUTCH ASSEMBLY |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| S2621000004 | 2026-10-07. Service bulletin. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines (850RE Transmission Only) |
|---|---|
| 18-071-26 REV. A | 2026-10-07. Service bulletin. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P2237-00 - O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1. ● P2240-00 - O2 Sensor Positive Current Control Circuit/Open Bank 2 Sensor 1. ● P2251-00 - O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 1. ● P2254-00 - O2 Sensor Negative Current Control Circuit/Open Bank 2 Sensor 1. ● P2243-00 - O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1. ● P2247-00 - O2 Sensor Reference Voltage Circuit/Open Bank 2 Sensor 1. ● P015B-00 - O2 Sensor Delayed Response - Lean To Rich Bank 1 Sensor 1. ● P015D-00 - O2 Sensor Delayed Response - Lean To Rich Bank 2 Sensor 1. ● P0E7C-00 - Coolant Bypass Valve "B" Control Circuit Low. ● P0E7D-00 - Coolant Bypass Valve "B" Control Circuit High. ● P0E7E-00 - Coolant Bypass Valve "B" Control Circuit Range/Performance. ● P0E7F-00 - Coolant Bypass Valve "B" Control Circuit Stuck/Open. ● U063C-00 - Lost Communication With Coolant Bypass Valve Actuator "B". ● P0100-00 - Mass Or Volume Air Flow Sensor "A" Circuit. ● P0101-00 - Mass Or Volume Air Flow Sensor "A" Circuit Range/Performance. ● P0461-00 - Fuel Level Sensor "A" Circuit Range/performance. ● P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low. ● P062B-00 - Internal Control Module Fuel Injector Control Performance. ● B1810-00 - Driver Door Shorted Low. ● B25C7-00 - Redundant Driver Door Shorted Low.** ● U0104-00 - Lost Communication With Cruise Control Module (NA Market Only) (In Active or Stored status). ● U0405-00 - Invalid Data Received From Cruise Control Module (NA Market Only) (In Active or Stored status). NOTE: Vehicles setting DTCs U0405-00 and U0104-00 may experience an inability to be cleared. |
| 114741 | 2026-09-30. Service bulletin. TRANSMISSION KIT - WITH TORQUE CONVERTER |
| 114738 | 2026-09-30. Service bulletin. TRANSMISSION KIT - WITH TORQUE CONVERTER |
| 114737 | 2026-09-30. Service bulletin. TRANSMISSION KIT - WITH TORQUE CONVERTER |
| 9100904 | 2026-09-17. Service bulletin. Shifter If shifter is having trouble shifting between 1st and 2nd gear, then adjust cables as described in service library. |
| S2418000012 REV.C | 2026-09-08. Service bulletin. Mil On/Check Engine Lamp (CEL) On, Engine Runs Rough |
| 18-077-26 | 2026-08-26. Service bulletin. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P0300 - Multiple Cylinder Misfire. Customers may experience one of the following: ● Vehicle runs rough on initial cold start only after an overnight or extended soak. **This bulletin involves reprogramming the PCM with the latest available software.** |
| 18-071-26 | 2026-07-29. Service bulletin. Flash: Powertrain Control Module (PCM) Updates 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): ● **U0104-00 - Lost Communication With Cruise Control Module (NA Market Only) (In Active or Stored status). ● U0405-00 - Invalid Data Received From Cruise Control Module (NA Market Only) (In Active or Stored status). NOTE: Vehicles setting DTCs U0405-00 and U0104-00 may experience an inability to be cleared.** ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. ● P0073-00 - Ambient Air Temperature Sensor Circuit "A" High. ● P0071-00 - Ambient Air Temperature Sensor Performance. ● P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected. ● P1CEA-00 - Boost Side EVAP Purge System Performance. ● P05BD-00 - Stop-start Mode Switch Range/Performance. ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. ● U0673-00 - Lost Communication With Ion Sense Module. ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking - in ACTIVE or STORED status. ● P0325-00 - Knock/Combustion Vibration Sensor 1 Circuit - in ACTIVE or STORED status. ● P0330-00 - Knock/Combustion Vibration Sensor 2 Circuit - in ACTIVE or STORED status. ● P032A-00 - Knock-Combustion Vibration Sensor C Circuit - in ACTIVE or STORED status. ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/Performance - in ACTIVE or STORED status. ● P2AF6-00 - Starter Relay 3 Stuck Off - in ACTIVE or STORED status. ● P0300-00 - Multiple Cylinder Misfire - in ACTIVE or STORED status set during cold start catalyst heating. ● P0301-00 - Cylinder 1 Misfire - in ACTIVE or STORED status set during cold start catalyst heating. ● P0302-00 - Cylinder 2 Misfire - in ACTIVE or STORED status set during cold start catalyst heating. ● P0303-00 - Cylinder 3 Misfire - in ACTIVE or STORED status set during cold start catalyst heating. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software. |
| 113528 | 2026-07-23. Service bulletin. SHAFT - AXLE HALF |