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B2796 Diagnostic Trouble Code Discussion for February 2010

No Communication With The Immobilizer System

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Trouble Ticket Help Requests for DTC B2796
Help Request Posted
1999 Toyota Sienna LE 3.0L No Start VIN: 4T3ZF19C1X
... condition...has NO immobilizer key uses flat steel key. i had no communication to ecm with scan tool. so after testing power & grounds it was determined the ecm was at fault so i bought a used ecm from junk yard same toyota part number installed but st...
February 20, 2010