{"vehicle":{"id":"2017_chrysler_pacifica","year":2017,"make":"Chrysler","model":"Pacifica"},"code":"C121C","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":7,"bulletins":[{"nhtsa_id":10228115,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-12-19","date":"2016-05-11","document_id":"1805716","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING","summary":"Flash: 3.6L Powertrain Diagnostic And System Enhancements 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 and/or one of the following conditions. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the Anti-lock Brake System (ABS) Module memory: NOTE: The Diagnostic Trouble Code (DTC) is caused by a calibration in the PCM that is in conflict with the ABS Module programming. The new software flash will correct this issue. · C121C-00 - Torque Request Signal Denied.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10228115-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10228115-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10228115"},{"nhtsa_id":10224733,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-24","date":"2017-08-09","document_id":"1806917","mfr_campaign":null,"component":"BACK OVER PREVENTION; EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM","summary":"Flash: Powertrain Diagnostic and System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following DiagnosticTrouble Codes (DTCs) have been set:U1400-00 - Implausible TPS Signal Received P1D73 - AGS Performance -(Active Grill Shutter). P0171 - Fuel System 1/1 Lean. P0174 - Fuel System 2/1 Lean. The following Diagnostic Trouble Codes (DTCs) have been changed from a one trip fault to atwo trip fault:P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0344 - Camshaft Position Sensor Intermittent - Bank 1 Sensor 1. P0345 - Camshaft Position Sensor Circuit - Bank 2 Sensor 1. P0349 - Camshaft Position Sensor Intermittent - Bank 2 Sensor 1. P0365 - Camshaft Position Sensor Circuit - Bank 1 Sensor 2. P0369 - Camshaft Position Sensor Intermittent - Bank 1 Sensor 2. P0390 - Camshaft Position Sensor Circuit - Bank 2 Sensor 2. P0394 - Camshaft Position Sensor Intermittent - Bank 2 Sensor 2. The technician may also find the following DTC stored in the Anti-lock Brake System (ABS) Module memory:The following Diagnostic Trouble Code (DTC) is caused by a calibration in the PCM that is in conflict with the ABS Module programming. Thenew software flash will correct this issue.C121C-00 - Torque Request Signal Denied. This software release also includes:Improvement at lower ambient temperatures for Engine Stop/Start (ESS) Starts. Improvements to vehicle drivability during a cam sensor and/or crank sensor malfunction. Transmission quick learn. Engine enhancements.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10224733-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10224733-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10224733"},{"nhtsa_id":10217613,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-08","date":"2016-06-17","document_id":"18-057-16 REV. A","mfr_campaign":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","summary":"Flash: 3.6L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Codes (DTCs) have been set: · **P1D73 - AGS Performance - (Active Grill Shutter). · P0171 - Fuel System 1/1 Lean. · P0174 - Fuel System 2/1 Lean.** The technician may also find the following DTC stored in the Anti-lock Brake System (ABS) Module memory: NOTE: The Diagnostic Trouble Code (DTC) is caused by a calibration in the PCM that is in conflict with the ABS Module programming. The new software flash will correct this issue. · C121C-00 - Torque Request Signal Denied. **This software release also includes: · Transmission quick learn. · Engine enhancements.**","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10217613-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10217613-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10217613"},{"nhtsa_id":10181480,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-10-26","date":"2016-05-11","document_id":"18-057-16","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM","summary":"Flash: 3.6L Powertrain Diagnostic And System Enhancements 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 and/or one of the following conditions. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the Anti-lock Brake System (ABS) Module memory: NOTE: The Diagnostic Trouble Code (DTC) is caused by a calibration in the PCM that is in conflict with the ABS Module programming. The new software flash will correct this issue. · C121C-00 - Torque Request Signal Denied.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10181480-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10181480-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10181480"},{"nhtsa_id":10141280,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-18","date":"2016-05-11","document_id":"18-057-16","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER","summary":"Flash: 3.6L Powertrain Diagnostic And System Enhancements 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 and/or one of the following conditions. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the Anti-lock Brake System (ABS) Module memory: NOTE: The Diagnostic Trouble Code (DTC) is caused by a calibration in the PCM that is in conflict with the ABS Module programming. The new software flash will correct this issue. · C121C-00 - Torque Request Signal Denied.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10141280-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10141280-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10141280"},{"nhtsa_id":10140123,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2016-06-17","document_id":"18-057-16 REV. A","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","summary":"Flash: 3.6L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Codes (DTCs) have been set: · **P1D73 - AGS Performance - (Active Grill Shutter). · P0171 - Fuel System 1/1 Lean. · P0174 - Fuel System 2/1 Lean.** The technician may also find the following DTC stored in the Anti-lock Brake System (ABS) Module memory: NOTE: The Diagnostic Trouble Code (DTC) is caused by a calibration in the PCM that is in conflict with the ABS Module programming. The new software flash will correct this issue. · C121C-00 - Torque Request Signal Denied. **This software release also includes: · Transmission quick learn. · Engine enhancements.**","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10140123-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10140123-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10140123"},{"nhtsa_id":10080001,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-09-14","date":"2016-06-17","document_id":"18-057-16 REV. A","mfr_campaign":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","summary":"\"FLASH: 3.6L POWERTRAIN DIAGNOSTIC AND SYSTEM ENHANCEMENTS THIS BULLETIN INVOLVES REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH THE LATEST AVAILABLE SOFTWARE. CUSTOMERS MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION. UPON FURTHER INVESTIGATION, A TECHNICIAN MAY FIND THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS) HAVE BEEN SET: · **P1D73 - AGS PERFORMANCE - (ACTIVE GRILL SHUTTER). · P0171 - FUEL SYSTEM 1/1 LEAN. · P0174 - FUEL SYSTEM 2/1 LEAN.** THE TECHNICIAN MAY ALSO FIND THE FOLLOWING DTC STORED IN THE ANTI-LOCK BRAKE SYSTEM (ABS) MODULE MEMORY: NOTE: THE DIAGNOSTIC TROUBLE CODE (DTC) IS CAUSED BY A CALIBRATION IN THE PCM THAT IS IN CONFLICT WITH THE ABS MODULE PROGRAMMING. THE NEW SOFTWARE FLASH WILL CORRECT THIS ISSUE. · C121C-00 - TORQUE REQUEST SIGNAL DENIED. **THIS SOFTWARE RELEASE ALSO INCLUDES: · TRANSMISSION QUICK LEARN. · ENGINE ENHANCEMENTS.**\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10080001"}],"url":"https://open.wenmarpro.com/makes/chrysler/pacifica/2017/bulletins?code=C121C"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/chrysler/pacifica/2017/codes/C121C","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}