Toyota CH-R Service Manual: Vehicle Specifications have not been Stored (B2451)

Left Headlight ECU Variation Error (B2456)

DESCRIPTION This DTC is stored when a headlight ECU sub-assembly LH which is not compatible with the vehicle has been installed. DTC No. Detection Item DTC Detecti ...

Initialization has not been Performed (B2450)

DESCRIPTION The headlight ECU sub-assembly LH stores this DTC if initialization has not been performed after the ECU was replaced. DTC No. Detection Item DTC Detec ...

Other materials:

Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: When replacing the radio and display receiver assembly or navigation ECU, always replace it with a new one. If a radio and display receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur: ...

Toyota CH-R Service Manual > Vehicle Stability Control System: Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION When troubleshooting a vehicle with a diagnosis system, the only difference from the usual troubleshooting procedure is connecting the Techstream to the vehicle and reading various data output from the skid control ECU (brake actuator assembly). The skid control E ...