Technical Service Bulletin 1801322 — 2021 CHRYSLER 300

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. 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): U0101 - Lost Communication With TCM. U0102 - Lost Communication With Transfer Case Control Module / AWD. U0103 - Lost Communication With Electric Gear Shift Module. U0104 - Lost Communication With Cruise Control Module. U0125 - Lost Communication With Dynamics Sensor. U0128 - Lost Communication With Park Brake Control Module. U0129 - Lost Communication With Brake System Control Module 1. U0140 - Lost Communication With Body Control Module. U0141 - Lost Communication With Ipm (BCM). U0155 - Lost Communication With Cluster-CCN. U0159 - Lost Communication With Parking Assist Control Module. U017E - Lost Communication With Seatbelt Sensor 1. U0293 - Lost Communication With Hybrid Control Module. U0402 - Implausible Data Received From TCM. U0403 - Implausible Data Received From Tcase. U0405 - Invalid Data Received Cruise Control Module. U0416 - Implausible Data Received From ESP. U0418 - Implausible Data Received From Brake System Control Module 1. U0429 - Implausible Data Received From SCM. U0432 - Invalid Data Received From Multi-Axis Acceleration Sensor Module. U0594 - Implausible Data Received From HCP. U110A - Lost Communication With SCM-CAN-C. U1110 - Lost Vehicle Speed Message. U1120 - Lost Wheel Distance Message. U1141 - Lost ESP Torque Request Message. U1186 - Lost Communication With Adaptive Cruise Control Module. U11BC - Lost Brake Switch Message. U11C2 - Lost Transmission Message. U11DE - Lost Speed Control Message. U145D - Implausible Data Received From TCM On D-PT. Customers may also experience one or more of the following:Loss of shifting and or fixed third gear operation. Loss of Anti-lock Brake System (ABS), Traction Control System (TCS)