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Home >> Lexus >> 2023 >> NX 250 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Electronically Controlled Brake System - Diagnostic Codes (6 Of 6), Symptom Tests & Circuit Tests) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HEV Model) >> Brake Pressure Sensor / Brake Pedal Position Sensor Signal Compare Failure (X21D2) [11/2021 - ] >> Description

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

WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
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
  • No. 1 skid control ECU (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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