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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 106 (Electronically Controlled Brake System (HV) - Diagnostic Codes (01 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C0500-3A: Left Front Wheel Speed Sensor Signal Has Too Many Pulses; DTC C0506-3A: Right Front Wheel Speed Sensor Signal Has Too Many Pulses [11/2023 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
C0501 (CASE 4)

Monitor runs whenever the following DTCs are not stored C0501 (Case 1 to 3): Wheel speed sensor (FL) range/performance
C0502: Wheel speed sensor (FL) voltage circuit open
C0503: Wheel speed sensor (FL) voltage circuit high
C0504: Wheel speed sensor (FL) intermittent/erratic
C1021 (Case 1): Brake system voltage input out of range low
C137D: Brake system voltage input out of range high
C14E1: Wheel speed sensor (FL) voltage circuit low
All of the following conditions are met -
Chassis dynamometer mode Off
+BS voltage 17.4 V or less
IGR voltage 3.5 V or more
C0507 (CASE 4)

Monitor runs whenever the following DTCs are not stored C0507 (Case 1 to 3): Wheel speed sensor (FR) range/performance
C0508: Wheel speed sensor (FR) voltage circuit open
C0509: Wheel speed sensor (FR) voltage circuit high
C050A: Wheel speed sensor (FR) intermittent/erratic
C1021 (Case 1): Brake system voltage input out of range low
C137D: Brake system voltage input out of range high
C14E4: Wheel speed sensor (FR) voltage circuit low
All of the following conditions are met -
Chassis dynamometer mode Off
+BS voltage 17.4 V or less
IGR voltage 3.5 V or more
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