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Service bulletin 21-012-12REV.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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10069304
Published by NHTSA2016-06-02
Manufacturer's number21-012-12REV.B
Manufacturer's date2012-11-29
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Software

Vehicles listed
CHRYSLER TOWN AND COUNTRY2011, 2012, 2013
DODGE CARAVAN2011 to 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
21-012-12 REV. B2022-07-25. Service bulletin. Flash: Transmission Shift Quality Improvements This bulletin involves flash reprogramming the Powertrain Control Module (PCM) with new software.There may be two software packages to choose from. Both software updates will fix all symptoms/conditions listed. Refer to Service Bulletin 21-008-12 for details about the software choices. Some customers may notice any of the following: Harsh 1-3 upshift while operating in Economy (ECO) mode. Harsh 2-3 upshift while operating in normal mode.For 2012 model year, the harsh 1-3 upshift in Economy Mode and the harsh 2-3 upshift in Normal Mode was corrected in the revised software enhancements that were released in Service Bulletin 21-008-12 dated March 23, 2012. 1-2 upshift clunk following a throttle back out (2012 - 2013 model year only).In addition to correcting the previous Symptom/Conditions, the following enhancements have been made to improve the shift quality of the 62TE transmission: Shift schedule changes for the 1-2, 3-4, 4-5, and 5-6 upshifts and the 6-4P, 6-5, and 5-4 downshifts. Fifth gear torque converter lock-up/unlock improvements.
18-085-152019-05-20. Service bulletin. Powertrain System Improvements/Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. The customer may describe hearing the fuel pump relay cycling during remote start or 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: ? U0140 - Lost Communication With Body Control Module (BCM). ? P06DD - Engine Oil Pressure Control Circuit Stuck Off. ? P0522 - Engine Oil Pressure Sensor Circuit Low. ? P0108 - Manifold Absolute Pressure Sensor Circuit High. ? P1239 - Engine Oil Temperature Too Low. ? P0298 - Engine Oil Temperature Too High.
08-053-122018-05-14. Service bulletin. Flash: RHR, RHW Or RHP Radio Software Enhancements This bulletin involves upgrading the software on the RHR, RHW or RHP Radio. The customer may experience one or more of the following conditions. Erratic alternate frequency switching (International only). Bluetooth phone muting during European traffic announcement (International only). Lost channel presets, home addresses, address book entries & Travel Link favorites. Not able to change default country and state then route. Unable to load .jpeg files onto hard drive to display on touch screen. Vehicle with Start/Stop feature, the screen will go black when the engine turns off at a stop. (International only). Incomplete Travel Link temperature displayed when the temperature is over 100F. Example, if the temperature is 107F the screen will display 07. (Domestic U.S. only). Cancel key inoperative after pressing the international button. iPhone4 dial not possible after second call. Missing Travel Link buttons from SAT menu (Domestic U.S. only). Devices button disabled in VES menu. Unable to route to a recent route after a map update. Remove Travel Link disclaimer popup (Domestic U.S. only). Duplicate phone numbers in popup after pressing the international button. During active call and on hold, DIAL button should be displayed (not ?TONE? button). International button not visible. Point of interest (POI) Search enhancements. When video in remote DVD player is stopped devices button wrongly labeled as DVD. Access Travel Link immediately after radio no update when staying on TL screen. iPod, track selection enhancements.
90032202017-11-03. Service bulletin. RES / RHA / REB Radios 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) are the systems 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)
18-050-16 REV. A2016-07-14. 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.
18-104-152016-06-22. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
18-085-152016-06-22. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
21-012-122016-06-02. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
21-012-12REVA2016-06-02. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
08-016-132016-06-02. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.