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Home >> Lexus >> 2019 >> LC 500 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (Coupe) (7 Of 7) & Circuit Tests (1 Of 2) >> SFI System >> DTC P2BF6: Exhaust Flow Control Valve "A" Position Circuit Low; DTC P2BF7: Exhaust Flow Control Valve "A" Position Circuit High; DTC P2BFE: Exhaust Flow Control Valve "B" Position Circuit Low; DTC P2BFF: Exhaust Flow Control Valve "B" Position Circuit High [05/2023 - ] >> Description
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DTC P2BF6: Exhaust Flow Control Valve "A" Position Circuit Low; DTC P2BF7: Exhaust Flow Control Valve "A" Position Circuit High; DTC P2BFE: Exhaust Flow Control Valve "B" Position Circuit Low; DTC P2BFF: Exhaust Flow Control Valve "B" Position Circuit High [05/2023 - ]: Description

Refer to DTC P26C6.

Refer to DTC P26C6: Exhaust Flow Control Valve "A" Control Circuit Low; DTC P26C7: Exhaust Flow Control Valve "A" Control Circuit High; DTC P2BF9: Exhaust Flow Control Valve "B" Control Circuit Low; DTC P2BFA: Exhaust Flow Control Valve "B" Control Circuit High [05/2023 - ]

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P2BF6 Exhaust Flow Control Valve "A" Position Circuit Low The No. 1 exhaust pipe gas control actuator sub-assembly (opening angle sensor) output voltage is less than 0.08 V for 3 seconds or more (1 trip detection logic).
  • No. 1 exhaust pipe gas control actuator sub-assembly (white wires with protective coating)
  • Wire harness or connector
  • ECM
Does not come on DTC stored
P2BF7 Exhaust Flow Control Valve "A" Position Circuit High The No. 1 exhaust pipe gas control actuator sub-assembly (opening angle sensor) output voltage is higher than 4.73 V for 3 seconds or more (1 trip detection logic).
  • No. 1 exhaust pipe gas control actuator sub-assembly (white wires with protective coating)
  • Wire harness or connector
  • ECM
Does not come on DTC stored
P2BFE Exhaust Flow Control Valve "B" Position Circuit Low The No. 2 exhaust pipe gas control actuator sub-assembly (opening angle sensor) output voltage is less than 0.08 V for 3 seconds or more (1 trip detection logic).
  • No. 2 exhaust pipe gas control actuator sub-assembly (black wires with protective coating)
  • Wire harness or connector
  • ECM
Does not come on DTC stored
P2BFF Exhaust Flow Control Valve "B" Position Circuit High The No. 2 exhaust pipe gas control actuator sub-assembly (opening angle sensor) output voltage is higher than 4.73 V for 3 seconds or more (1 trip detection logic).
  • No. 2 exhaust pipe gas control actuator sub-assembly (black wires with protective coating)
  • Wire harness or connector
  • ECM
Does not come on DTC stored