Service bulletin 21-039-24 REV. C
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 | 11007649 |
| Published by NHTSA | 2024-09-10 |
| Manufacturer's number | 21-039-24 REV. C |
| Manufacturer's date | 2024-09-06 |
| NHTSA component | POWER TRAIN |
| Manufacturer's system | D Clutch Repair |
NHTSA's summary
"D Clutch Repair Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must 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. 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 DURANGO | 2020, 2021, 2022, 2023 |
| JEEP GLADIATOR | 2020, 2021, 2022, 2023 |
| JEEP GRAND CHEROKEE | 2020, 2021, 2022, 2023 |
| JEEP GRAND WAGONEER | 2022 |
| JEEP WAGONEER | 2022 |
| JEEP WRANGLER | 2020, 2021, 2022, 2023 |
| RAM 1500 | 2020, 2021, 2022, 2023 |
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) |
|---|---|
| 114738 | 2026-09-30. Service bulletin. TRANSMISSION KIT - WITH TORQUE CONVERTER |
| 114737 | 2026-09-30. Service bulletin. TRANSMISSION KIT - WITH TORQUE CONVERTER |
| 113528 | 2026-07-23. Service bulletin. SHAFT - AXLE HALF |
| 113529 | 2026-07-23. Service bulletin. SHAFT - AXLE HALF |
| 18-068-26 | 2026-07-23. 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): ● **U0405-00 - Invalid Data Received From Cruise Control Module. ● U0104-00 - Lost Communication With Cruise Control Module. NOTE: Vehicles setting DTCs U0405-00 and U0104-00 may experience an inability to be cleared.** ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. ● P06DD-00 - Engine Oil Pressure Control Circuit Stuck Off. ● P0604-00 - Internal Control Module Random Access Memory Ram Error. ● P060C-00 - Internal Control Module Main Processor Performance. This bulletin involves reprogramming the PCM with the latest available software. |
| 21-057-26 | 2026-07-18. Service bulletin. Flash: Transmission Control Module (TCM) Updates Customers may comment on one or more of the following: SYMPTOM: ● Harsh or slipping feeling during upshifts (1st - 5th). ● Harsh or slipping feeling during kickdown events under throttle. ● Transmission fluid odor (burnt smell). This bulletin involves reprogramming the TCM with the latest available software. |
| 21-056-26 | 2026-07-18. Service bulletin. Flash: Transmission Control Module (TCM) Updates Customers may comment on one or more of the following: SYMPTOM: ● **Harsh or slipping feeling during upshifts (1st - 5th). ● Harsh or slipping feeling during kickdown events under throttle. ● Transmission fluid odor (burnt smell).** ● During a 2 - 3 transmission upshift, the engine is hitting rev limit. ● Hesitation feel during a pedal tip in, while engine is warming up below 1 °C (30 °F) ambient temp. This bulletin involves reprogramming the TCM with the latest available software. |
| 21-054-26 | 2026-07-18. Service bulletin. Flash: Transmission Control Module (TCM) Updates Customers may comment on one or more of the following: SYMPTOM: ● Harsh or slipping feeling during upshifts (1st - 5th). ● Harsh or slipping feeling during kickdown events under throttle. ● Transmission fluid odor (burnt smell). |
| 21-041-26 REV. A | 2026-07-02. Service bulletin. Transmission Auxiliary Oil Pump Failure Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set **one or more the following Diagnostic Troubles Code (DTCs): ● U0287-00 - Lost Communication With Transmission Fluid Pump Module 1.** ● P0B0D-00 - Electric/Auxiliary Transmission Fluid Pump Motor Control Module. Customers may also comment on the following: ● Vehicle is in limp mode. This bulletin involves replacing the transmission oil pump. |