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 > Touch Select 2-4 And High-low System: Automatic Disconnecting Differential Motor Control Circuit High (P17A2)
DESCRIPTION This DTC is detected when a short to B+ is detected in the A.D.D. shift motor drive circuit. DTC Code DTC Detection Condition Diagnosis Condition Malfunction Status Malfunction Time Other Trouble Area P17A2 Ignition switch ON (when not switching between 2WD and 4H) Short to B+ in the A.D ...

Toyota Tundra Owners Manual