C2172

DTC C2171/71 Transmitter ID not Registered in Main Mode

DTC C2172/72 Transmitter ID not Registered in 2nd Mode

DESCRIPTION
Each tire pressure warning valve and transmitter ID is registered to the tire pressure warning ECU. When the ECU detects an ID that is not the one of registered IDs, or cannot receive a registered ID signal, a DTC is set.

C2171/71-C2172/72:

INSPECTION PROCEDURE

NOTICE:
^ If any IDs are not registered for the "2nd" position of the tire pressure warning select switch, DTC C2172/72 will be set after switching the select switch to the "2nd" position.
^ When replacing the tire pressure warning ECU, read the IDs stored in the ECU using the intelligent tester. Note the IDs before ECU removal.
^ After the tire pressure warning ECU has been replaced, it is necessary to register the transmitter IDs.
After registration has been completed, it is necessary to perform initialization. Initialization

Steps 1-3(Part 1):

Steps 3(Part 2)-6: