Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Diagnostic Trouble Code Chart

Toyota Corolla Cross (2022-2025) Service Manual / Power Source & Network / Networking / Can Communication System (for Gasoline Model) / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Diagnostic Trouble Code Chart

DTC No.

Detection Item

Trouble Area

Link

B102004

Central Gateway ECU System Internal Failure

Central gateway ECU (network gateway ECU)

U117087

Lost Communication with Brake System Control Module (ch2) Missing Message
  • CAN main/branch bus lines or connector
  • Brake actuator assembly
  • Engine stop and start ECU
  • ECM
  • No. 9 global CAN junction connector

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     Central Gateway ECU System Internal Failure (B102004)

    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority Note B10

     Lost Communication with Brake System Control Module (ch2) Missing Message (U117087)

    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Note U117087 Lost Communication with Brake S

     Check CAN Communication Connection

    DESCRIPTION Symptom Trouble Area Check CAN Communication Connection CAN main bus line, CAN branch line or connector Power source circuit of

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     Removal

    REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 WIRING HARNESS CLAMP BRACKET 82715W - - 2 NO. 2 AIR FUEL RATIO SENSOR 89467C - - *A for 2WD *B for AWD C

     ABS Warning Light does not Come ON

    DESCRIPTION The skid control ECU (brake actuator assembly) controls the ABS warning light in the combination meter assembly via CAN communication. PROCEDURE 1. INSPECT COMBINATION METER ASSEMBLY (a) Perform the Active Test of the combination meter assembly using

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