U0423 Code: Meaning, Causes, and Symptoms | OBD2 Codes

U0423 – Invalid Data Received From Instrument Panel Cluster Control Module


U0423 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


U0423 Possible Causes


Invalid data network concerns,data is transferred within the normal inter-module message, but contains known invalid data. The transmitting module logs a DTC related to the invalid data concern.,Missing message network concerns,missing message concerns are logged by the module upon failure to receive a message from another module within a defined retry period.


U0423 Description


Network DTC concerns occur during module-to-module communication