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Home >> Lexus >> 2022 >> ES 300h Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (A25A-FXS) - Diagnostic Codes (19 Of 20) >> SFI System >> DTC P2A00-26: O2 Sensor Circuit Range/Performance Bank 1 Sensor 1 Signal Rate of Change Below Threshold [08/2021 - 09/2022] >> Description
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DTC P2A00-26: O2 Sensor Circuit Range/Performance Bank 1 Sensor 1 Signal Rate of Change Below Threshold [08/2021 - 09/2022]: Description

Refer to DTC P0030-12.

Refer to PROCEDURE - Step 1

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory 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 DTC stored
  • SAE Code: P2A00
  • DTC for Mexico Models: Applies (Mexico models only)
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