Service bulletin 18-050-16

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10219796
Published by NHTSA	2022-09-15
Manufacturer's number	18-050-16
Manufacturer's date	2016-04-27
NHTSA component	POWER TRAIN; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

Flash: Powertrain 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 one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM: **JC Vehicles 3.6L: · P0335 - Crankshaft Position Sensor Circuit. · P2610 - PCM Internal Engine Off Timer Performance. · U0140 - Lost Communication With Body Control Module (BCM). · P0456 - Evap System Small Leak.** JC Vehicles 2.4L: · P0456 - Evap System Small Leak. JS Vehicles: · P0456 - Evap System Small Leak. RT Vehicles: · U0140 - Lost Communication With Body Control Module (BCM). · P0456 - Evap System Small Leak. The following transmission enhancements are also included in this software update: · Garage shift engagements into D may be harsh at times after shutdowns of 10-30 minute duration. · 5/6 Upshift timing adjusted to improve top speed performance (markets where speeds in excess of 161 kph (100 mph) are permitted).

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

Electrical system, Transmission and driveline, Automatic transmission, Transmission control module

Trouble codes named

P0335, P0456, P2610, U0140

Vehicles listed
CHRYSLER 200	2013

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
U67	2023-01-17. Service bulletin. Some of the above-involved vehicles may exceed NOx (Oxides of Nitrogen) emission level standards due to loss of catalytic converter efficiency
V51	2022-12-19. Service bulletin. Customer Satisfaction Notification V51 Reprogram Powertrain Control Module
S1121000006RevA	2022-09-26. Service bulletin. (Revision A) No Start No Crank ? Starter Will Not Engage And There Are No Related Codes Or Concerns
R8149638A	2022-09-15. Service bulletin. 8-speed transmission
21-013-12	2022-07-25. Service bulletin. Transmission Shift Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. This PCM software enhancement improves how the shifts are controlled during upshifts (torque management).
S1121000006 Rev.	2020-09-28. Service bulletin. (Revision A) No Start No Crank ? Starter Will Not Engage And There Are No Related Codes Or Concerns
18-022-14 REV. A	2018-06-11. Service bulletin. Flash: Cold Start Engine Idle Cycling In Gear and/or Surging at Highway Speeds This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience any of the following : Engine idle cycling on cold start in gear. Slight Engine surge driving at highway speeds.
21-013-12	2018-05-14. Service bulletin. Transmission Shift Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. This PCM software enhancement improves how the shifts are controlled during upshifts (torque management).
21-013-12	2018-02-21. Service bulletin. Transmission Shift Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. This PCM software enhancement improves how the shifts are controlled during upshifts (torque management).
18-050-16 REV. A	2016-07-14. Service bulletin. "FLASH: POWERTRAIN DIAGNOSTIC AND SYSTEM IMPROVEMENTS THIS BULLETIN INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH NEW SOFTWARE. SYMPTOM/CONDITION: 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 DIAGNOSTIC TROUBLE CODES (DTCS) SET IN THE PCM: JC VEHICLES 3.6L: · P0335 - CRANKSHAFT POSITION SENSOR CIRCUIT. · P2610 - PCM INTERNAL ENGINE OFF TIMER PERFORMANCE. · U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE (BCM). · P0456 - EVAP SYSTEM SMALL LEAK. · P0108 - MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT HIGH (2012 MY ONLY). THE FOLLOWING TRANSMISSION ENHANCEMENTS ARE ALSO INCLUDED IN THIS SOFTWARE UPDATE: · CONTINUOUS CYCLING OF FUEL PUMP RELAY WHEN USING REMOTE START. · 1 - 2 UPSHIFT CLUNK OR BUMP. · 3 - 4 HARSH UPSHIFT AT CLOSED THROTTLE AFTER A WOT STAB IN 1ST OR 2ND GEAR. · 4 - 5 UPSHIFT CLUNK OR BUMP. · 5 - 6 UPSHIFT CLUNK OR BUMP. · 5- 4 DOWNSHIFT CLUNK OR BUMP. · 6 - 5 DOWNSHIFT CLUNK OR BUMP. · RPM FLUCTUATING OR JERKING WHILE OPERATING IN CRUISE CONTROL. CONDITION IS MORE NOTICEABLE WHEN THE VEHICLE IS GOING UP AND DOWN GRADES. · IMPROVES THE CONSISTENCY OF HOW SHIFTS ARE CONTROLLED DURING UPSHIFTS “TORQUE MANAGEMENT”. · DELAYED DOWNSHIFTS. JC VEHICLES 2.4L: · U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE (BCM). · P0456 - EVAP SYSTEM SMALL LEAK. THE FOLLOWING TRANSMISSION ENHANCEMENTS ARE ALSO INCLUDED IN THIS SOFTWARE UPDATE: · 1 - 2 UPSHIFT CLUNK OR BUMP. · 3 - 4 HARSH UPSHIFT AT CLOSED THROTTLE AFTER A WOT STAB IN 1ST OR 2ND GEAR. · 4 - 5 UPSHIFT CLUNK OR BUMP. · RPM FLUCTUATING OR JERKING WHILE OPERATING IN CRUISE CONTROL. CONDITION IS MORE NOTICEABLE WHEN THE VEHICLE IS GOING UP AND DOWN GRADES. · 1 - 2 HARSH UPSHIFT GOING DOWN A GRADE. · 3 - 2 DOWNSHIFT CLUNK OR BUMP. · 4 - 3 DOWNSHIFT CLUNK OR BUMP.