U0402 – Invalid Data Received From TCM

U0402 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

U0402 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.

U0402 Description

Network DTC concerns occur during module-to-module communication