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Service Programming Methods

The 4 methods of programming a PCM and the proper tools for each method are as follows:

Remote Programming. See SERVICE PROGRAMMING SYSTEM REMOTE PROCEDURE .
Pass-Thru Programming. See SERVICE PROGRAMMING SYSTEM PASS-THRU PROCEDURE .
Off-Board Remote Programming, vehicle NOT available. See SERVICE PROGRAMMING SYSTEM OFF BOARD REMOTE PROCEDURE .
Off-Board Pass-Thru Programming. See SERVICE PROGRAMMING SYSTEM OFF BOARD PASS-THRU PROCEDURE .

All 4 methods may not be available for every vehicle.