Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Diagnostic Trouble Code Chart

Toyota Corolla Cross (2022-2026) Service Manual / Power Source & Network / Networking / Can Communication System (for Hev Model) / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Diagnostic Trouble Code Chart

DTC No.

Detection Item

Note

Link

B102004

Central Gateway ECU System Internal Failure

DTC Output from

  • Central gateway ECU (network gateway ECU)

U011000

Lost Communication with Drive Motor Control Module "A"

DTC Output from

  • Electric brake booster (brake booster with master cylinder assembly)

U011187

Lost Communication with Hybrid/EV Battery Energy Control Module "A" Missing Message

DTC Output from

  • Hybrid vehicle control ECU

U01BD87

Lost Communication with DC/DC Converter Control Module "C" Missing Message

DTC Output from

  • Hybrid vehicle control ECU

U111A87

Lost Communication with ECM/PCM "A" (ch2) Missing Message

DTC Output from

  • Hybrid vehicle control ECU

U115087

Lost Communication with Hybrid Powertrain Control Module (ch2) Missing Message

DTC Output from

  • ECM
  • Skid control ECU (brake actuator assembly)

U115087

Lost Communication with Hybrid Powertrain Control Module (Hybrid/EV Battery Local Bus) Missing Message

DTC Output from

  • Battery ECU assembly

U115487

Lost Communication with Drive Motor Control Module "A" (ch2) Missing Message

DTC Output from

  • ECM
  • Hybrid vehicle control ECU

U115887

Lost Communication with Electronic Brake Booster Control Module "A" (ch2) Missing Message

DTC Output from

  • Electric brake booster (brake booster with master cylinder assembly)

U117008

Lost Communication with Brake System Control Module (ch2) Bus Signal / Message Failure

DTC Output from

  • Hybrid motor control inverter assembly

U117087

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

DTC Output from

  • Hybrid vehicle control ECU
  • Electric brake booster (brake booster with master cylinder assembly)

U117B87

Lost Communication with Hybrid/EV Battery Energy Control Module "A" (ch2) Missing Message

DTC Output from

  • Hybrid vehicle control ECU

    READ NEXT:

     Central Gateway ECU System Internal Failure (B102004)

    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Note B102004 Central Gateway ECU System Inte

     Lost Communication with Drive Motor Control Module "A" (U011000,U111A87,U115087,U115487,U115887,U117008,U117087)

    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Note U011000 Lost Communication with Drive M

     Lost Communication with Hybrid/EV Battery Energy Control Module "A" Missing Message (U011187,U01BD87,U115087,U117B87)

    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Note U011187 Lost Communication with Hybrid/

    SEE MORE:

     Parking Brake System

    Precaution PRECAUTION NOTICE: If the battery is connected, the parking brake will operate when the electric parking brake switch assembly is pulled to the lock side even if the ignition switch is off. Do not operate the electric parking brake switch assembly with the battery conn

     Check Mode Procedure

    CHECK MODE PROCEDURE HINT: Compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect malfunctions that cannot be detected in normal mode. NOTICE: All of the stored DTCs and Freeze Frame Data are cleared if: 1) the ECM is changed from normal mode to che

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