Mercedes benz c121 fault code. Start enable “Drive Authorization System” not issued.
Mercedes benz c121 fault code A Mercedes fault code is a combination of letters and numbers that your car’s computer system uses to identify a specific problem. The same Malfunction Code read with VARIOUS Diagnosis Equipment DIFFERENT will show different faults that do not resemble anything. MERCEDES BENZ FAULT CODES - NEW This list contains Mercedes-Benz Fault Error Codes/Diagnostic Trouble Codes (DTC) for 1996+ models as found on the Internet with some additions from M-B’s STAR Xentry, DAS and WIS. Test the PCM for proper operation and reprogram if necessary. Diagnostic Trouble Codes for the Mercedes-Benz 722. On this page, you will find a complete list of Mercedes fault codes. Codes below were pulled via Launch CRP129, what is transcribed below is all that the code reader had to offer. Begin by using a diagnostic scanner to retrieve the trouble codes and confirm C121C. We have had a ton of bad ESP modules or corrosion in them. Start enable “Drive Authorization System” not issued. the codes in the engine module tell me we may or may not have codes in the esp module. Inspect the throttle position sensor and its wiring for any damage or corrosion. The C121 error code in your Mercedes-Benz can indicate serious communication issues within the Drive Train CAN Bus and TCM. Repair or replace as needed. 6 Transmission 96+. Replace if necessary. pdf. Every effort has been made to ensure the listed codes and legends are correct, but be aware that mistakes do happen, so use at your own discretion. That is why I am interested to know if you can communicate with the module or not. 6 Transmission (96+) DTC 2-65 = actual errors DTC above 96 = stored errors, add 96 to actual error, eg, 10+96 would show 106 MERCEDES BENZ FAULT CODES - Diagnostic Trouble Codes For Mercedes 722. The C121 error code in your Mercedes-Benz can indicate serious communication issues within the Drive Train CAN Bus and TCM. I took it into the Mercedes Dealer to have a diagnostics Code according to OBD II regulations: U0121 Click here to know all OBD codes Fault code returned by the ECU: C121 Code in decimal format: 49441 Hexadecimal code: C121. also, i have more fault codes about can bus communication like c100: no can message was received from control unit engine management c164: no can message was received from control unit aac c121 : no can message was received from control My 2012 Mercedes Sprinter 2500 has been going into limp mode. Read and observe repair information. You can read a Mercedes fault code by its structure. . Check the torque request signal circuit for any breaks or shorts. For example, if the code starts with a ‘P,’ it indicates a powertrain issue. 2 KB Views: 112. After a quick test, it gave me on the engine module the fault code: 2287-001 can controller: can bus off. By understanding its symptoms and causes, you can take appropriate steps to troubleshoot and resolve the problem. 18. wdzzofsbqvahciswpysbctxxzprccvoqnbaorjxokarbbzwshhxnrubi