Toyota Corolla Cross: Diagnostic Trouble Code Chart

Toyota Corolla Cross (2022-2025) Service Manual / Power Source & Network / M20a-fxs (battery / Charging) / Charging System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Charging System

DTC No.	Detection Item	Warning Indicate	Note	Link
P058A01	Auxiliary Battery Monitor Module Range/Performance	Charge warning light does not come on	SAE Code: P058A
P162B87	Lost Communication with Battery Monitor Module Missing Message	Charge warning light does not come on	SAE Code: P162B

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On-vehicle Inspection

ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT PROCEDURE 1. CHECK AUXILIARY BATTERY (a) Check that the auxiliary battery cables are connected to the correct terminals. If they are not, connect the

Auxiliary Battery Monitor Module Range/Performance (P058A01)

DESCRIPTION The battery state sensor assembly detects the auxiliary voltage, current and temperature of the auxiliary battery. The battery state sensor assembly calculates State of Charge (SOC) b

Lost Communication with Battery Monitor Module Missing Message (P162B87)

DESCRIPTION The hybrid vehicle control ECU communicates with the battery state sensor assembly via LIN communication. If a LIN communication error is detected, the hybrid vehicle control ECU stor

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Removal

REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 REAR WHEEL - - - - 2 REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH

Installation

INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 TRANSMISSION VALVE BODY ASSEMBLY 35410J - - 2 TRANSAXLE

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