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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 C0063-2A: Yaw Rate Sensor Signal Stuck In Range; DTC C0520-1C: Multi-axis Acceleration Sensor Module "A" Circuit Voltage Out of Range; DTC C0520-2A: Multi-axis Acceleration Sensor Module "A" Signal Stuck In Range; DTC C0520-96: Multi-axis Acceleration Sensor Module "A" Component Internal Failure [10/2021 - 11/2023] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
C051C (CASE 1)

Monitor runs whenever the following DTCs are not stored C051C (Case 3): Acceleration sensor range/performance
C051E: Acceleration sensor intermittent/erratic
C051F: Acceleration sensor correlation
C0520 (Case 2): Acceleration sensor internal malfunction
C1241: Brake system voltage input out of range low
U0125: Lost communication with multi-axis acceleration sensor module
All of the following conditions are met -
Chassis dynamometer mode Off
Under an acceleration slip Off
IG1 On
Communication status with acceleration sensor (yaw rate sensor) Valid
C051C (CASE 2)

Monitor runs whenever the following DTCs are not stored C051C (Case 3): Acceleration sensor range/performance
C051E: Acceleration sensor intermittent/erratic
C051F: Acceleration sensor correlation
C0520 (Case 2): Acceleration sensor internal malfunction
C1241: Brake system voltage input out of range low
C14D7: Acceleration sensor voltage circuit/open
U0125: Lost communication with multi-axis acceleration sensor module
Both of the following conditions are met -
Chassis dynamometer mode Off
IG1 On
C051C (CASE 3)

Monitor runs whenever the following DTCs are not stored C051E: Acceleration sensor intermittent/erratic
C051F: Acceleration sensor correlation
C0520 (Case 1): Acceleration sensor (GL1, GL2) out of range
C0520 (Case 2): Acceleration sensor internal malfunction
C1241: Brake system voltage input out of range low
U0125: Lost communication with multi-axis acceleration sensor module
All of the following conditions are met -
Chassis dynamometer mode Off
Command to all ABS hold solenoids Off
Command to all ABS release solenoids Off
Under an acceleration slip Off
Vehicle speed 30 km/h (18.64 mph) or more
IG1 On
Communication status with acceleration sensor (yaw rate sensor) Valid
GL1 invalidation Off
GL2 invalidation Off
C0520 (CASE 1)

Monitor runs whenever the following DTCs are not stored C051C (Case 3): Acceleration sensor range/performance
C051E: Acceleration sensor intermittent/erratic
C051F: Acceleration sensor correlation
C0520 (Case 2): Acceleration sensor internal malfunction
C1241: Brake system voltage input out of range low
C14D7: Acceleration sensor voltage circuit/open
U0125: Lost communication with multi-axis acceleration sensor module
All of the following conditions are met -
Chassis dynamometer mode Off
IG1 On
Communication status with acceleration sensor (yaw rate sensor) Valid
C0520 (CASE 2)

Monitor runs whenever the following DTCs are not stored C1241: Brake system voltage input out of range low
U0125: Lost communication with multi-axis acceleration sensor module
Both of the following conditions are met -
Lost communication with yaw rate sensor Not detected
YGS1 (CAN Data) "0" (valid)
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