Toyota CH-R Service Manual: Diagnostic Trouble Code Chart

Theft Deterrent System Presence Detection (B279C)

DESCRIPTION If an ECM that is incompatible with the immobiliser system is installed, the ECM stores this DTC. DTC No. Detection Item DTC Detection Condition ...

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 ...

Other materials:

Toyota CH-R Service Manual > Blind Spot Monitor System: Slave Module Horizontal Axis Misalignment (C1AC2)
DESCRIPTION This DTC is stored when the angle of the blind spot monitor sensor RH (Slave) deviates more than the allowable range from the horizontal axis. HINT: If a drum tester such as a speedometer tester, brake/speedometer combination tester or chassis dynamometer is used with th ...

Toyota CH-R Service Manual > Smart Key System(for Start Function): Detecting Vehicle Submersion (B2277)
DESCRIPTION This DTC is stored when a malfunction in the water submersion detection circuit inside the certification ECU (smart key ECU assembly) is detected. DTC No. Detection Item DTC Detection Condition Trouble Area Note ...