Service bulletin 21-009-15
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 | 10144892 |
| Published by NHTSA | 2018-09-24 |
| Manufacturer's number | 21-009-15 |
| Manufacturer's date | 2015-02-20 |
| NHTSA component | ENGINE; POWER TRAIN |
NHTSA's summary
Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience one or more of the following concerns. These concerns are broken up per engine and transmission combination. 6.2L engine (sales code ESD) equipped with an 8HP90 transmission (sales code DFE) ? Transmission will not upshift during Wide Open Throttle (WOT) acceleration. ? Harsh or inconsistent coasting downshifts. ? Transmission will not shift into 7th gear during high speed driving. ? Inconsistent or busy shifts during stop and go traffic. ? Inconsistent gear shift patterns when driving on grades. ? Malfunction Indicator Lamp (MIL) Illumination during ABS activated stops with Diagnostic Trouble Code (DTC) P1DCD TCM Monitoring Processor Performance, Multiple Clutches Locked Up. 6.4L engine (sales code ESG) and equipped with an 8HP70 transmission (sales code DFK) ? Harsh or inconsistent 1-2 upshift. ? Harsh of inconsistent coasting 4-3 downshift. ? Harsh or inconsistent gear engagement when shifting to drive or reverse. ? Instrument Panel Cluster (IPC) shows the incorrect gear when in manual mode. ? Harsh of inconsistent shifts during tip-in acceleration from closed throttle. ? Inconsistent gear shift patterns when driving on grades. ? Inconsistent release of Hill Start Assist during tip-in acceleration. ? Transmission upshifts on sweeping curves under track driving 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
Engine, Transmission and driveline
Trouble codes named
P1DCD
| DODGE CHALLENGER | 2015 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2018269 | 2018-05-17. Engine |
|---|---|
| 15V114000 | 2015-02-27. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 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. |
|---|---|
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