Toyota CH-R Service Manual: Extension Module Malfunction 2 (B1556)

• A communication malfunction DTC may be stored.
• The navigation ECU may not operate normally.

HD Radio Tuner Malfunction (B1551,B158D,B15B0,B15B3,B15B7,B15BA)

DESCRIPTION These DTCs are stored when a malfunction occurs in the radio and display receiver assembly. DTC No. Detection Item DTC Detection Condition T ...

Extension Module Disconnected 2 (B1543)

DESCRIPTION If the radio and display receiver assembly cannot detect the navigation ECU for a certain period of time (90 seconds) after the engine switch is turned on (ACC) and the radio and disp ...

Other materials:

Toyota CH-R Service Manual > Electric Parking Brake System: Electric Parking Brake AUTO Indicator Light Circuit
DESCRIPTION Pulling the electric parking brake switch to the lock side for 5 seconds or more changes the AUTO function (shift-linked function) to ON, and an AUTO Mode ON message is displayed on the multi-information display in the combination meter. Pressing the electric parking brake switch t ...

Toyota CH-R Service Manual > Smart Key System(for Start Function): System Voltage or GND Energization Malfunction (B228B)
DESCRIPTION This DTC is stored when there is a malfunction in the certification ECU (smart key ECU assembly) battery power supply circuit or ground circuit. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2 ...