Problem Symptoms Table
ComponentsToyota CH-R Service Manual > Immobiliser System(w/o Smart Key System): Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION
If the communication line (EFIO-IMI) to the transponder key ECU assembly is stuck
high (e.g. shorted to +B), the ECM stores this DTC.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B279A
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Toyota CH-R Service Manual > Wireless Door Lock Control System(w/ Smart Key System): Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Wireless Door Lock Control System
DTC No.
Detection Item
Link
B1242
Wireless Door Lock Tuner Circuit Malfunction
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