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B2799 Diagnostic Trouble Code Discussion for January 2008

Engine Immobilizer System Malfunction


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Trouble Ticket Help Requests for DTC B2799
Help Request Posted
2004 Toyota 4Runner Sport 4.0L No Start, MIL Lamp on VIN: JTEBU14R94
B2799: ECM/Immobilizer communication. ... we found that the theft light was blinking rapidly with the key on. There was a code B2799 in the PCM (we can't communicate with the immobilizer directly). I verified the integrity of the comm lines (EFIO/EFII @ immobilizer, IMI/IMO @ PCM) from the Immo...
January 03, 2008
2004 Toyota 4Runner Sport 4.0L No Start, MIL Lamp on VIN: JTEBU14R94
B2799: ECM/Immobilizer communication. ... we found that the theft light was blinking rapidly with the key on. There was a code B2799 in the PCM (we can't communicate with the immobilizer directly). I verified the integrity of the comm lines (EFIO/EFII @ immobilizer, IMI/IMO @ PCM) from the Immo...
January 07, 2008