Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Diagnostic Trouble Code Chart

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

DIAGNOSTIC TROUBLE CODE CHART

LIN Communication System

DTC No.

Detection Item

Link

B120687

P/W Master SW System Missing Message

B127387

Sliding Roof System Missing Message

B228787

LIN Communication Missing Message

B232187

D-Door P/W System Missing Message

B232287

P-Door P/W System Missing Message

B232387

RR-Door P/W System Missing Message

B232487

RL-Door P/W System Missing Message

B232588

Door LIN Bus off

B278588

Communication between ECUs connected by LIN Bus off

B278987

ID-BOX Missing Message

B278C87

Power Source Control System Missing Message

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     P/W Master SW System Missing Message (B120687,B127387,B232187-B232487)

    DESCRIPTION This DTC is stored when LIN communication between the main body ECU (multiplex network body ECU) and multiplex network master switch assembly, front power window regulator motor assem

     LIN Communication Missing Message (B228787)

    DESCRIPTION When an internal malfunction is detected in the certification ECU (smart key ECU assembly), this DTC is stored. DTC No. Detection Item DTC Detection Co

     Door LIN Bus off (B232588)

    DESCRIPTION If the main body ECU (multiplex network body ECU) detects a communication error with an ECU connected to the door bus lines for 8 seconds or more, DTC B232588 will be stored.

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     Removal

    REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 PRECAUTION - - - 2 DISCHARGE FUEL SYSTEM PRESSURE - - - 3 DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

     Engine Coolant Pump Circuit Short to Battery (P26CA12)

    DESCRIPTION The ECM calculates the necessary cooling amount based on the engine coolant temperature, engine speed and vehicle speed, and controls the engine water pump assembly accordingly. The engine water pump assembly controls the speed of the engine water pump assembly steplessly and optimally b

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