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Home >> Lexus >> 2022 >> LS 500h AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/ Advanced Park) - Diagnostic Codes (5 Of 5) & Symptom Tests >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Advanced Park) >> Brake Pressure Sensor / Brake Pedal Position Sensor Signal Compare Failure (X21D2) [11/2021 - 10/2023] >> Description

Brake Pressure Sensor / Brake Pedal Position Sensor Signal Compare Failure (X21D2) [11/2021 - 10/2023]: Description

Code Tester Display Measurement Item Trouble Area Output ECU
X21D2 Brake Pressure Sensor / Brake Pedal Position Sensor Signal Compare Failure History of mismatch between brake pedal stroke sensor assembly and reaction force pressure sensor
  • Brake booster with master cylinder assembly
  • Brake pedal stroke sensor assembly
 No. 1 skid control ECU (brake booster with master cylinder assembly)
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