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Service bulletins for the 2015 Chrysler 200

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.

531 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
18-006-15 REV. B2018-09-24. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 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. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles, built on or before October 21, 2014 (MDH 1021XX). ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. 2015 PF Vehicles, built on or before January 08, 2015 (MDH 0108XX). ? Improve cabin warm up in cold weather, when the vehicle is in park or neutral and the temperature is between °10F to °40F (-12C to 4.5C). ? P219A - Bank 1 Air-Fuel Ratio Imbalance. ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. 2013-2014 PF Vehicles. ? P219A - Bank 1 Air-Fuel Ratio Imbalance. ? P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open. ? P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module.
08-027-152018-09-24. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. RA2 Radio Software Enhancements This bulletin involves updating the radio's software or replacing the radio if required. A customer may notice one or more of the following: ? Radio display screen may be locked. ? Intermittently the audio will be inoperative. ? Backup display may not turn off. This updated software will also include the following enhancements: ? Voice Recognition (VR) improved accuracy. ? Adjusting phone volume after the ignition is turned off. ? Improvements to the climate control screen. ? Improvements for deleting paired devices/phones. ? Display screen improvements for incoming calls, on certain cell phones. ? Always gray out Short Message Service (SMS) text soft key on non-supporting devices.
18-023-16 REV. A2018-06-18. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 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) · 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 Engaged.
Z5091195A$2018-06-11. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL. RES / RHA / REB radio that supports Bluetooth and Hands-Free For issues with Bluetooth, Hands-Free Calling, and/or Voice Commands, DO NOT replace the radio. Diagnose the Hands-Free Module system (also called the Telematics Module). The Telematics Module (and associated components) is the system responsible for these features. A power cycle may be required for the hands-free module for proper diagnosis.~ Please reference; 8T - Navigation/Telecommunication Diagnosis and Testing (DIAGNOSIS AND TESTING - HANDS FREE PHONE)
18-023-16 REV. D2018-06-11. Service bulletin. SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING; ELECTRICAL SYSTEM; STRUCTURE; ENGINE AND ENGINE COOLING; BACK OVER PREVENTION. 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) · **P1066 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. · P1068 - Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range. · P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. · P106C - Cylinder 4 Oil Supply Solenoid Valve Switch Off Time Out Of Range.** · 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 T
21-015-162018-06-11. Service bulletin. EXTERIOR LIGHTING; POWER TRAIN; ELECTRICAL SYSTEM; BACK OVER PREVENTION. Flash: Transmission Diagnostic And Shift Enhancements. This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination and/or one of the following conditions. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) stored in the TCM memory. 2015 KL Vehicles P0887-00 - TCM Power Control Circuit High. P061B-00 - Internal Control Module Torque Calculation Performance.** U0401-00 - Implausible Data Received From ECM/PCM. P1DAD- 00 - Input Shaft-Output Shaft Direction Correlation. P0711-00 - Transmission Fluid Temperature Sensor A Circuit Range-Performance (ED6/ED8). Other enhancements included in this update: Garage shift improvements. · Shift improvements for 2-1 shift quality when using Electronic Range Sensor (ERS) function for 2-1 downshift and 3-1 shift quality (bump) when coasting to a stop (ED6/ED8). When driving on grades, the 3-2 downshift is hard to achieve or not available. 2015 UF Vehicles P0887-00 - TCM Power Control Circuit High. · P072F-00 - Stuck In Gear 4 · P061B-00 - Internal Control Module Torque Calculation Performance.** · P0711-00 - Transmission Fluid Temperature Sensor A Circuit Range-Performance (ED6,ED8,EDD or EDE). · P0885-00 - TCM Power Control Circuit (ED6,ED8,EDD or EDE). · P0975-00 - Shift Solenoid B Control Circuit Performance (ED6,ED8,EDD or EDE). · P0887-00 - TCM Power Control Circuit High (ED6,ED8,EDD or EDE). · P0978-00 - Shift Solenoid 3 Control Circuit Performance (ED6,ED8,EDD or EDE). · P0981-00 - Shift Solenoid 4 Control Circuit Performance (ED6,ED8,EDD or EDE). · P0984-00 - Shift Solenoid 5 Control Circuit Performance (ED6,ED8,EDD or EDE). · P1634-00 - TCM Internal Watchdog Performance (ERB). · U0401-00 - Implausible Data Received From ECM/PCM. · P1DAD- 00 - Input Shaft-Output Shaft Direction Corre
18-040-162018-06-11. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: 3.6L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software. The following powertrain system improvements/enhancements are included in this software release: · **P0335 - Crankshaft Position Sensor Circuit.** · P0480 Cooling Fan 1 Control Circuit/open. · P0456 EVAP System Small Leak. · U0402 Implausible Data Received From TCM. · P0441 EVAP Purge System Performance. · P0116 Engine Coolant Temperature Sensor Performance. Other enhancements included in this update: · **Elimination of (disable) Low idle 550 RPM to mitigate rough idle complaints (Base idle fully warm maintained at 648 RPM).** · New software to address customer?s concern of extended crank times when starting engine. · Software to enable the clearing of erroneous DTC U0140 Loss of communication with the Body Control Module (BCM). · New software to enable the ?Transmission Quick Learn? feature.
08-038-162018-06-11. Service bulletin. PARKING BRAKE; ELECTRICAL SYSTEM. Flash: Electronic Parking Brake Module Enhancement This bulletin involves updating the Electronic Parking Brake (EPB) module software. The customer may describe the EPB does not engage with the ?Auto Apply? feature selected.
18-023-16 REV. C2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. 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 Engaged
03-003-162018-06-11. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Drivetrain Control Module (DTCM) This bulletin involves replacing and reconfiguring the Drivetrain Control Module (DTCM) with the latest available software. Some vehicles may experience a constant high pitched whine coming from rear axle area.
18-022-17 REV. A2018-06-11. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING; STRUCTURE; BACK OVER PREVENTION; STEERING. Flash: 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. Upon further investigation the technician may find one or more of the following DTCs set in the PCM memory: U1504 - Implausible Message Data Length Received From Steering Angle Sensor. P0128 - Thermostat Rationality. P0335 - Crankshaft Position Sensor Circuit. P0340 - Camshaft Position Sensor Circuit Bank 1 Sensor 1. U1424-00 - Implausible Engine Torque Signal Received. P1066 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P1068 - Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106C - Cylinder 4 Oil Supply Solenoid Valve Switch Off Time Out Of Range. 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: Min spark changes to prevent catalytic converter overheating. Engine Startup Flare and Idle Surge. Improved vehicle acceleration. P1066 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P1068 - Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106C - Cylinder 4 Oil Supply Solenoid Valve Switch Off Time Out Of Range. U0401 - Implausible Data Received From ECM/PCM - Signal Invalid.
08-080-14 REV. A2018-06-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. RA3 RA4 Radio Enhancements This bulletin involves inspecting and, if required, updating the radio software. A customers may experience one or more of the following: Rearview Camera image appears jittery Inability to establish a WiFi connection when security feature is enabled Audio distortion/popping heard while playing Apple devices through the USB port Navigation system improvements Remote Uconnect Apps functions (i.e. door locks, remote start) inoperative while the engine is running The Radio may switch from SiriusXM to an AM station by itself Uconnect registration always present, can not remove Uconnect account Teleprompter does not appear when pressing the Voice Recognition (VR) button VR operation cancels while in media mode Radio may display previous cameras image before displaying the current image Navigation lost vehicle position, during route calculation Navigation displays are missing after vehicle heading changes Navigation giving incorrect guidance to exit the highway. FM audio may switch to AM after ignition cycle. Text messages appear as sender?s phone number not their name. VR phone button may not work at times. Audio muted after AUX device is disconnected. VR, ? Listen? to text, will only play 1st message. SirusXM station information does not update. Speed adjusted volume, may not work. AM or FM seek or tuner soft keys may be missing. Display screen show ambient temperature as ?- - ? not normal values.Improvements: High Definition (HD) radio buffering Spanish translation Radio station, scroll feature Making assist calls App functionality and screen displays Displays correct media, song titles and tracks Travel Link, Points Of Interest (POI), displaying movies and favorites Audio for strong AM station VR performance Settings can only be changed in run mode, not ACC. Notify user when messaging features are not supported on certain phones/devices. Shows direction and distance for POI when using VR.
08-105-142018-06-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RA2 Radio Software Enhancements This bulletin involves updating the radio's software or replacing the radio if required. A customer may notice one of more of the following: Radio display screen may be locked. Intermittently the audio will be inoperative. Backup display may not turn off.This updated software will also include the following enhancements: Voice Recognition (VR) improved accuracy. Adjusting phone volume after the ignition is turned off. Improvements to the climate control screen. Improvements for deleting paired devices/phones. Display screen improvements for incoming calls, on certain cell phones. Always gray out Short Message Service (SMS) text soft key on non-supporting devices.
18-061-142018-06-11. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. Flash: Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the Diagnostic Trouble Code (DTC) listed below Set in the PCM. * P2172 - High Airflow/Vacuum Leak Detected * P1D73 - AGS Performance * U0140 - Lost Communication With Body Control Module
21-019-14 REV. A2018-06-11. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Transmission Control Module - Shift Quality Improvements When Using Paddle Shifter Or When Shifting From Park To Drive Or Reverse This bulletin involves flash reprogramming of the Transmission Control Module (TCM) with new software. Customers may indicate that they are experiencing delayed shifting when using the paddle shifter and/or harsh engagement when shifting from Park to either Reverse or Drive.
23-028-142018-06-11. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Hood Latch Release Cable Hangs Down Too Low Under Instrument Panel This bulletin involves routing and securing the hood latch release cable. The customer may describe the hood latch release cable hanging down too low under the instrument panel.
21-029-142018-06-11. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: MIL Illumination For P1DCF, P1DD0, P1DB8 This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. The following Transmission Control Module (TCM) calibration improvements are available for (KL) Jeep Cherokee. Both engines ((EHB) 3.2L V6 24V VVT and (ED6) 2.4L I4 Multi Air) ? P1DB8 Unintended Torque Applied while in Neutral (set due to erroneous DTC) ? P1DCF TCM Monitoring Processor Performance - Unallowed Park Engagement due to ABS Failure (set due to erroneous DTC). ? P1DD0 TCM Monitoring Processor Performance - Unallowed Park Engagement (set due to erroneous DTC). 2.4L KL (ED6) only ? Shift comfort complaint on 1-2 and 2-3 upshifts when lifting foot off throttle ? P1DCF TCM Monitoring Processor Performance - Unallowed Park Engagement due to ABS Failure (set due to erroneous DTC). ? P1DD0 TCM Monitoring Processor Performance - Unallowed Park Engagement (set due to erroneous DTC). ? Busy shifting from transmission on grades ? Shift busyness at 75 MPH with 7-8 and 8-7 shifts ? Shift comfort complaint on 3-2 and 2-1 coasting downshifts in Sport mode 3.2L KL (EHB) only ? Shift comfort complaints during ESS auto-start and launch The following Transmission Control Module (TCM) calibration improvements are available for (UF) 200. ? P1DB8 Unintended Torque Applied while in Neutral set due to erroneous DTC ? Slow to downshift. Fixed by making 9-7, 7-4, and 6-4 downshifts more available ? Poor shift quality on 1-2 and 2-3 lift-foot upshifts ? Poor shift quality on 4-3 downshift while coasting ? Poor shift quality on 4-3, 3-2, and 2-1 coasting downshifts in Sport mode
08-082-142018-06-11. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Electronic Shift Module (ESM) Enhancement This bulletin involves updating the software in the Electronic Shift Module. The customer may experience an intermittent inability to shift into any gear range. This condition should only last a few seconds. If this condition happens when driving in any forward gear, the transmission will default to drive. If the vehicle is in reverse, the transmission will default to neutral. If the transmission is in park or neutral the transmission will not change gear selection. On further inspection one or all of the following DTCs may be found: U1467 Implausible Driver Shift Request Signal Received On CAN and D-PT CAN. U0103-00 Lost Communication With Electric Gear Shift Module. U11E3-00 TCM Lost Communication With ESM On DPT CAN.
08-081-142018-06-11. Service bulletin. ELECTRICAL SYSTEM. MIL Illumination DTC U11E9 After Fascia Removal This bulletin involves confirming that the Active Grille Shutter (AGS) electrical harness connector is properly connected.
21-034-14 REV. B2018-06-11. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: 948TE 9 Speed Shift Enhancements And Quick Learn Enable This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. The following TCM calibration update is being released to enable the new wiTECH based ?Transmission Quick Learn? procedure to be performed anytime the transmission adaptation memory cells are cleared or when addressing customer concerns of poor shift quality. It is also being released to improve transmission downshift response time during normal driving.
21-034-14 REV. A2018-06-11. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: 948TE 9 Speed Shift Enhancements And Quick Learn Enable This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. The following TCM calibration update is being released to enable the new wiTECH based ?Transmission Quick Learn? procedure to be performed anytime the transmission adaptation memory cells are cleared or when addressing customer concerns of poor shift quality. It is also being released to improve transmission downshift response time during normal driving.
18-056-14 REV. A2018-06-11. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Extended Engine Crank Time And Transmission Quick Learn Enable This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Some customers may comment the vehicle takes an abnormal amount of time to start or that the engine crank time is longer than expected. This software corrects this concern as well as enables the transmission quick learn feature.
21-034-142018-06-11. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: 948TE 9 Speed Shift Enhancements And Quick Learn Enable. This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. The following TCM calibration update is being released to enable the new wiTECH based ?Transmission Quick Learn? procedure to be performed anytime the transmission adaptation memory cells are cleared or when addressing customer concerns of poor shift quality. It is also being released to improve transmission downshift response time during normal driving.
08-095-142018-06-11. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Flash: Cruise Control Set Speed Shows Incorrectly On Cluster This bulletin involves reprogramming the Instrument Panel Cluster (IPC) with updated software. The customer may notice the cruise control set speed that is displayed in the Electronic Vehicle Information Center (EVIC), is different to that which is displayed on the speedometer. The EVIC may be in KPH and the speedometer will show the correct speed in MPH.
21-019-142018-06-11. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Transmission Control Module - Quicker Shifts When Using Paddle Shifter and Shift Quality Improvement for Garage Shifts This bulletin involves flash reprogramming of the Transmission Control Module (TCM) with new software. Customers may indicate that they are experiencing delayed shifting when using the paddle shifter and/or poor garage shifts (Park to Reverse or Drive).

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.