# Service bulletin 21\-012\-14 REV. A 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: 10141216 - Published by NHTSA: 2018\-06\-18 - Manufacturer's number: 21\-012\-14 REV. A - Manufacturer's date: 2014\-07\-09 - NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN ## NHTSA's summary Transmission Shift Enhancements \- Adaptation Drive Learn Procedure This bulletin involves performing a subjective shift quality rating when customers experience poor shift quality and if necessary, performing the transmission adaptation learn procedure. In addition, this bulletin involves performing transmission adaptation learn procedure when the transmission is repaired/replaced and/or the valve body/TCU assembly \(mechatronic\) is replaced, or when the adaptation memory cells are cleared with the wiTECH diagnostic scan tool. Customers may indicate that their transmission shift quality does not meet their expectations. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10141216-9999.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10141216-0001.pdf) The document is the manufacturer's. This site does not hold it. ## Components Transmission and driveline, Automatic transmission ## Vehicles listed - 2012 to 2014 CHRYSLER 300C - 2012 to 2014 DODGE CHARGER - 2014 DODGE DURANGO - 2014 JEEP GRAND CHEROKEE - 2013 to 2014 RAM 1500 ## Recalls for the same vehicles and component - [17V821000](/recalls/nhtsa/17V821000.md), 2017-12-20: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT - [16V240000](/recalls/nhtsa/16V240000.md), 2016-04-25: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\) - [14V161000](/recalls/nhtsa/14V161000.md), 2014-04-01: POWER TRAIN:AUTOMATIC TRANSMISSION - [13V610000](/recalls/nhtsa/13V610000.md), 2013-12-06: POWER TRAIN:AUTOMATIC TRANSMISSION ## Other bulletins for the same vehicles and component - [2101714](/bulletins/10232010.md), 2023-02-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Transmission Shift And Driveability Enhancements - [S2008000109](/bulletins/10229306.md), 2023-01-09, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash Update Error When Flashing TCM Or PCM, Vehicles Equipped With An ITBM - [S1709000010](/bulletins/10229031.md), 2023-01-09, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. Upon investigation, it may be found that there is excessive camshaft lobe wear/lifter wear \(roller failure\) on one or more cam lobes and that camshaft/lifter replacement is necessary. - [V51](/bulletins/10228020.md), 2022-12-19, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); UNKNOWN OR OTHER. Customer Satisfaction Notification V51 Reprogram Powertrain Control Module - [0801515](/bulletins/10223623.md), 2022-10-17, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\). Flash: Gear Shift Indicator System Enhancements This bulletin involves reprogramming the Power Control Module \(PCM\) with new software. A small number of customers may experience improper gear shift point indications displayed in the EVIC if the paddle shift mode is selected on the steering wheel. - [W41](/bulletins/10221748.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Customer Satisfaction Notification W41 Reprogram Powertrain Control Module - [S2008000109](/bulletins/10221736.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash Update Error When Flashing TCM Or PCM, Vehicles Equipped With An ITBM - [1801914REVA](/bulletins/10221078.md), 2022-09-26, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Power Control Module Software Enhancements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. The customers may experience one or all of the following: \- Customer may experience a "detonation" type of noise while accelerating or at idle. \- Customers may experience Cruise Control lock out \(inoperative\) after several ?\+? cruise button inputs attempting to increase Cruise Set Speed. Turning the ignition off and back on will clear the condition. \- MIL light illuminates and DTC P2463\-00 ?Diesel Particulate Filter\- Soot Accumulation? set in the PCM. - [S1508000323REVA](/bulletins/10220872.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). PCM Sets DTC P1400\-Aftermarket Calibration Detected/Warranty Coverage Confirmation Required - [R8149638A](/bulletins/10219777.md), 2022-09-15, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. 8\-speed transmission JSON: [/v1/bulletins/10141216](/v1/bulletins/10141216) [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%2021-012-14%20REV.%20A&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10141216&vehicle=Service%20bulletin%2021-012-14%20REV.%20A)