Toyota CH-R Service Manual: Diagnostic Trouble Code Chart

Toyota CH-R Service Manual / Lighting (ext) / Lighting System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Lighting System

DTC No.

Detection Item

Note

Link

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)

-

    Data List / Active Test
    DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when decidi ...

    Light Sensor Circuit Malfunction (B1244)
    DESCRIPTION The automatic light control sensor detects ambient light. The sensor creates an electrical signal based on the amount of light detected, and sends the signal to the main body ECU (mul ...

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