Service bulletin 9003815
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 | 10217448 |
| Published by NHTSA | 2022-08-08 |
| Manufacturer's number | 9003815 |
| Manufacturer's date | 2017-11-01 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
Power Distribution Center For 2018 WK, prior to replacing the Power Distribution Center (PDC), you MUST contact the STAR Center (800) 850-7827 for diagnostic assistance and preauthorization. Failure to do so WILL result in your warranty claim being rejected.
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
| JEEP GRAND CHEROKEE | 2018 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2018422 | 2018-08-09. Powertrain |
|---|---|
| 2018223 | 2018-05-01. Powertrain |
| 18V280000 | 2018-05-01. POWER TRAIN:AUTOMATIC TRANSMISSION |
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) |
|---|---|
| S2623000023 | 2026-04-15. Service bulletin. Power Liftgate Inoperative. |
| S2621000003 REV.A | 2026-03-18. Service bulletin. The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13. |
| S2621000003 | 2026-03-05. Service bulletin. Service transmission/check engine warning indicator for the 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV transmissions that have fault codes P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13. |
| 18-001-26 | 2026-01-21. Service bulletin. Flash: Powertrain Control Module (PCM) Updates 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): ● P0420 - Catalyst System Efficiency Below Threshold Bank 1. ● P0430 - Catalyst System Efficiency Below Threshold Bank 2. Customers may also experience the following: ● Catalyst damage and restricted exhaust flow, resulting in a reduction of engine power. This bulletin involves reprogramming the PCM with the latest available software. |
| 21-009-26 | 2026-01-14. Service bulletin. Flash: Transmission Control Module (TCM) Updates *Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● P0979-00 - Shift Solenoid 3 Control Circuit Low. ● P0219-00 - Engine Overspeed Condition. ● P0731-00 - Gear 1 Shift Incorrect Ratio. **Customers may experience the following: ● Shift shudder and shift shock during wide open throttle, high clutch energy shift.** The following software update is also included: ● Improved high RPM in coasting situations for the 1-2 shift This bulletin involves reprogramming the TCM with the latest available software. |
| 9100534 Rev 1 | 2025-05-19. Service bulletin. Transmission "Transmission For transmission concerns related to DTCs P0733-00, P1DA8-00, and/or P1D92-00, a repair is available, and transmission replacement is NOT required. Please reference TSB 21-009-25 Rev. A, for details on D-clutch replacement. Please also note, visible ""glitter"" or debris in the pan and fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the reason for unit replacement. Complete unit replacements instead of repairs for these DTCs may be subject to chargeback." |
| 9100534 | 2025-03-28. Service bulletin. "Transmission For transmission concerns related to DTCs P0733-00, P1DA8-00, and/or P1D92-00, a repair is available, and transmission replacement is NOT required. Please reference TSB 21-009-25 Rev. A, for details on D-clutch replacement. Please also note, fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the reason for unit replacement. Complete unit replacements instead of repairs for these DTCs may be subject to chargeback." |
| 101232 | 2024-11-07. Service bulletin. Plate - Planetary |
| S2309000013 | 2024-01-16. Service bulletin. Verifying Camshaft Diagnosis |