# Service bulletin 18\-023\-16 REV. B 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: 10139941 - Published by NHTSA: 2018\-06\-11 - Manufacturer's number: 18\-023\-16 REV. B - Manufacturer's date: 2016\-06\-02 - NHTSA component: POWER TRAIN ## NHTSA's summary Flash: 2.4L Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes \(DTCs\) set in the PCM memory: 2015 UF Vehicles with \(Sales Codes ED6, ED8\) P050D \- Cold Start Rough Idle. P0335 \- Crankshaft Position Sensor Circuit. P1607 \- PCM Internal Shutdown Timer Rationality. P0133 \- O2 Sensor 1/1 Slow Response. P0456 \- EVAP System Small Leak. P0480 \- Cooling Fan 1 Control Circuit/Open. U0402 \- Implausible Data Received From TCM. P2172 \- High Airflow/Vacuum Leak Detected. P1D73 \- AGS Performance. U0140 \- Lost Communication With Body Control Module. P0441 \- Evap Purge System Performance. P0116 \- Engine Coolant Temperature Sensor 1 Performance. In addition to the DTCs above the following improvements have been made: Engine Startup Flare and Idle Surge. Improved vehicle acceleration. 2015 PF Vehicles with \(Sales Codes ED6, ED8\) \*\*U0401 \- Implausible Data Received From ECM/PCM \- Signal Invalid. P1185 \- General Pressure Sensor Correlation.\*\* P050D \- Cold Start Rough Idle. P0133 \- O2 Sensor 1/1 Slow Response. P0456 \- Evap System Small Leak. P219A \- Bank 1 Air\-Fuel Ratio Imbalance. P2172 \- High Airflow/Vacuum Leak Detected. P1D73 \- AGS Performance. U0140 \- Lost Communication With Body Control Module. P0116 \- Engine Coolant Temperature Sensor 1 Performance. P050B \- Cold Start Ignition Timing Performance. P061A \- Level 2 Torque Performance. P2172 \- High Airflow/Vacuum Leak Detected \(Instantaneous Accumulation\). In addition to the DTCs above the following improvements have been made: Low Idle Speed After Cold Start between \-10°C to 0°C \(14°F to 32°F\). Cold Idle Surge With AC Eng ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10139941-9999.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10139941-0001.pdf) The document is the manufacturer's. This site does not hold it. ## Components Transmission and driveline ## Trouble codes named P0116, P0133, P0335, P0441, P0456, P0480, P050B, P050D, P061A, P1185, P1607, P1D73, P2172, P219A, U0140, U0401, U0402 ## Vehicles listed - 2015 CHRYSLER 200 - 2012 DODGE DART - 2014 to 2015 DODGE DART ## Recalls for the same vehicles and component - [2025541](/recalls/tc/2025541.md), 2025-10-09: Powertrain - [25V674000](/recalls/nhtsa/25V674000.md), 2025-10-09: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT - [2019183](/recalls/tc/2019183.md), 2019-04-12: Powertrain - [19V293000](/recalls/nhtsa/19V293000.md), 2019-04-11: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT; POWER TRAIN:AUTOMATIC TRANSMISSION - [2016361](/recalls/tc/2016361.md), 2016-07-13: Powertrain - [16V529000](/recalls/nhtsa/16V529000.md), 2016-07-12: POWER TRAIN:AUTOMATIC TRANSMISSION - [2016099](/recalls/tc/2016099.md), 2016-02-29: Powertrain - [2015382](/recalls/tc/2015382.md), 2015-08-27: Powertrain - [15V542000](/recalls/nhtsa/15V542000.md), 2015-08-25: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\) - [2015069](/recalls/tc/2015069.md), 2015-02-17: Powertrain ## Other bulletins for the same vehicles and component - [21\-040\-25](/bulletins/11024056.md), 2025-10-08, Service bulletin: POWER TRAIN. 948TE Transmission Reaction Shaft Service Bushing Kit Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code \(DTC\): ● P1DB7\-00 \- Torque Converter Clutch Performance. - [S2325000007](/bulletins/10248564.md), 2024-01-08, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). MIL/check engine lamp comes on after performing U90 recall PCM software update. - [S2325000007](/bulletins/10244403.md), 2023-10-30, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). MIL/check engine lamp comes on after performing U90 recall PCM software update. - [2103514\-1](/bulletins/10232019.md), 2023-02-21, Service bulletin: POWER TRAIN. 948TE 9 Speed Transmission Quick Learn Procedure - [2103514](/bulletins/10232016.md), 2023-02-21, Service bulletin: POWER TRAIN. 948TE 9 Speed Transmission Quick Learn Procedure - [2103414\-3](/bulletins/10232015.md), 2023-02-21, Service bulletin: POWER TRAIN. 948TE 9 Speed Shift Enhancements And Quick Learn Enable - [2103414\-2](/bulletins/10232014.md), 2023-02-21, Service bulletin: POWER TRAIN. 948TE 9 Speed Shift Enhancements And Quick Learn Enable - [2103414\-1](/bulletins/10232013.md), 2023-02-21, Service bulletin: POWER TRAIN. 948TE 9 Speed Shift Enhancements And Quick Learn Enable - [2103414](/bulletins/10232012.md), 2023-02-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM; POWER TRAIN. 948TE 9 Speed Shift Enhancements And Quick Learn Enable - [1806614](/bulletins/10232003.md), 2023-02-21, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Diagnostic and System Improvements JSON: [/v1/bulletins/10139941](/v1/bulletins/10139941) [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%2018-023-16%20REV.%20B&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10139941&vehicle=Service%20bulletin%2018-023-16%20REV.%20B)