# Service bulletin 2100915

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: 10229198
- Published by NHTSA: 2023\-01\-09
- Manufacturer's number: 2100915
- Manufacturer's date: 2015\-02\-20
- NHTSA component: ELECTRICAL SYSTEM; POWER TRAIN; EQUIPMENT; EXTERIOR LIGHTING

## 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10229198-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10229198-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Equipment and accessories, Lighting, Transmission and driveline

## Trouble codes named

P1DCD

## Vehicles listed

- 2015 DODGE CHALLENGER

## Recalls for the same vehicles and component

- [2018396](/recalls/tc/2018396.md), 2018-07-27: Accessories
- [18V332000](/recalls/nhtsa/18V332000.md), 2018-05-17: ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING
- [15V461000](/recalls/nhtsa/15V461000.md), 2015-07-23: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
- [14V749000](/recalls/nhtsa/14V749000.md), 2014-11-24: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## Other bulletins for the same vehicles and component

- [S2621000003 REV.A](/bulletins/11030138.md), 2026-03-18, Service bulletin: POWER TRAIN. 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.
- [S2608000010](/bulletins/11030042.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. Active Diagnostic Trouble Code \(DTC\) B1A10\-00, B1A11\-00, B1A12\- 00, B1A13\-00\-, B1A14\-00, B1A15\-00, B1A16\-00, and B1A17\-00 in The Radio Frequency Hub \(RFH\)
- [S2208000138 REV.B](/bulletins/11020600.md), 2025-07-09, Service bulletin: ELECTRICAL SYSTEM. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
- [104523](/bulletins/11017235.md), 2025-04-25, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. SWITCH AND BEZEL \- FRONT DOOR
- [103261](/bulletins/11014855.md), 2025-03-04, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. SWITCH AND BEZEL \- FRONT DOOR
- [S1408000384](/bulletins/10251783.md), 2024-03-18, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [9100226](/bulletins/10248509.md), 2024-01-08, Service bulletin: ELECTRICAL SYSTEM. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
- [9100226](/bulletins/10244348.md), 2023-10-30, Service bulletin: ELECTRICAL SYSTEM:WIRING. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
- [93120](/bulletins/10243209.md), 2023-10-02, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FCA Caribbean Warranty Bulletin ID\-23\-20 "Can / Am" Warranty Coverage \- 594 / 595 / 596 WCC
- [93023](/bulletins/10243208.md), 2023-10-02, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Warranty Bulletin D\-16\-03 \- "Can / Am" Warranty Coverage \- 594 / 595 / 596 WCC \(Rev. B\)

JSON: [/v1/bulletins/10229198](/v1/bulletins/10229198)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%202100915&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10229198&vehicle=Service%20bulletin%202100915)