Toyota CH-R Service Manual: Diagnostic Trouble Code Chart

B1244

Light Sensor Circuit Malfunction

-

B242C

Right Headlight ECU Malfunction

-

B242D

Left Headlight ECU Malfunction

-

B242E

Open in IG Circuit

-

B2439

Headlamp LH Circuit

-

B243A

Headlamp RH Circuit

-

B2451

Vehicle Specifications have not been Stored

-

B2456

Left Headlight ECU Variation Error

-

U0073

Control Module Communication Bus OFF

-

U0100

Lost Communication with ECM / PCM "A"

-

U0129

Lost Communication with Brake System Control Module

-

U0142

Lost Communication with Body Control Module "B"

-

U0242

Lost Communication With Headlamp Control Module "B"

-

U1000

CAN Communication Failure (Message Registry)

-