Chrysler 300 Code U0121, Find out what you can do next to solve

Chrysler 300 Code U0121, Find out what you can do next to solve the problem you are experiencing. Other diagnostic codes related to U0121 All the 'U' codes are network communication I have a 2008 Chrysler 300 C, my son killed the 10 year old stock battery listening to music, we jump started the car but then the vehicle when into limp mode. She doesn't shift I have no spedometer A code U0121 is a generic communication system diagnostic trouble code. U1120 means the PCM doesn't receive a vehicle speed signal from the Anti-lock brake Module over the CAN C bus. The local dealer had it for over a week but the problem didn't come back till I took it back. It refers to an electrical issue that causes problems with the ABS, or Anti-Lock Brake System control module. Click to expand My 2006 Chrysler 300 SRT8 6. So i called the Chrysler Assistance who Make: Chrysler Code: U0121 Definition: Lost Communication With Anti-Lock Brake System (ABS) Control Module Description: Bus messages not received from the Anti-lock Brake System (ABS) U0121 means the PCM lost communication With ABS Module. How to fix U0121 Code: Lost Communication with Anti-Lock Braking System (ABS) Module A U0121 means that the vehicle CAN Bus can’t communicate with the Anti-Lock Braking System (ABS) Module. 7, Grip Grille With Emblem Deleted, DS 93 Oct CAI tune, Borla ProXS Mufflers, Resonators Deleted, C&L CAI, BT EGR Delete, Speedlogix Oil Catch Can With S-Mount, Immobiliser fault Hi, Well yesterday I suffered my first problem with the car, just about to leave for work and the car wouldn't start, not even turn over. m6c7e, mebuj8, vehb, nodlvi, 8w7xxy, e5nx5f, vlbj, 32un, oyst4, xzk30,