FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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DTC 77

DTC C2177/77 Initialization not Completed

DESCRIPTION
Initialization is necessary if one of the following occurs: 1) the ECU is replaced; 2) the tire pressure warning valve and transmitter is replaced; 3) tires with a different tire pressure are installed; 4) the tires are rotated; or 5) a new vehicle is delivered.

C2177/77:




WIRING DIAGRAM:





INSPECTION PROCEDURE

NOTICE:
^ When replacing the tire pressure warning ECU and receiver, read the IDs stored in the old ECU using the intelligent tester and write them down before removal.
^ It is necessary to perform initialization after registration of the transmitter IDs into the tire pressure warning ECU and receiver after the ECU and/or valve and transmitter has been replaced.

Steps 1-4(Part 1):




Step 4(Part 2):