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Home >> Lexus >> 2024 >> NX 250 FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 109 (Engine Control System - Diagnostic Codes (P26CA-U1150)) >> SFI System >> DTC P2A00-26: O2 Sensor Circuit Range/Performance Bank 1 Sensor 1 Signal Rate of Change Below Threshold [03/2022 - ] >> Description

DTC P2A00-26: O2 Sensor Circuit Range/Performance Bank 1 Sensor 1 Signal Rate of Change Below Threshold [03/2022 - ]: Description

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Refer to DTC P0030-12.

Refer to DESCRIPTION [03/2022 - 03/2023] , or refer to DESCRIPTION [03/2023 - ]

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
P2A00-26 O2 Sensor Circuit Range/Performance Bank 1 Sensor 1 Signal Rate of Change Below Threshold The calculated value for the air fuel ratio sensor (sensor 1) response rate deterioration level is less than the threshold (2 trip detection logic).
  • Air fuel ratio sensor (sensor 1)
  • Intake system
  • Port fuel injector assembly
  • Direct fuel injector assembly
  • Fuel pressure (for low pressure)
  • Fuel pressure (for high pressure)
  • Fuel system
  • EGR valve assembly
  • ECM
Comes on
  • SAE Code: P2A00
  • DTC for Mexico Models: Applies (Mexico models only)