C2172 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C2172 – Transmitter ID Not Registered In 2nd Mode


C2172 Possible Symptoms


Tire Pressure Monitor System (TPMS) Warning Light ON,Anti-Lock Brake System (ABS) Warning Light ON


C2172 Possible Causes


Faulty Tire Pressure Warning ECU,Tire Pressure Warning ECU harness is open or shorted,Tire Pressure Warning ECU circuit poor electrical connection


C2172 Description


The IDs of each tire pressure warning valve and transmitter are registered to the Tire Pressure Warning ECU. When the ECU detects that an ID is not one of the registered IDs, or cannot receive an ID signal, a Diagnostic Trouble Code (DTC) is output.