Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Engine Immobiliser System

DTC No.	Detection Item	Link
B2780	Push Switch / Key Unlock Warning Switch Malfunction
B2784	Antenna Coil Open / Short
B2793	Transponder Chip Malfunction
B2794	Unmatched Encryption Code
B2795	Unmatched Key Code
B2796	No Communication in Immobiliser System
B2797	Communication Malfunction No. 1
B2798	Communication Malfunction No. 2
B2799	Engine Immobiliser System Malfunction
B279A	Theft Deterrent System Communication Line High Fixation
B279C	Theft Deterrent System Presence Detection

Toyota Tundra Service Manual > Vehicle Stability Control System: Open in ABS Motor Relay Circuit (C146C)
DESCRIPTION The ABS motor relay supplies power to the pump motor. While the ABS is activated, the skid control ECU (brake actuator assembly) turns the ABS motor relay on to operate the pump motor. If the voltage supplied to the ABS motor relay (+BM) is too low due to low voltage from the battery or ...

Toyota Tundra Owners Manual