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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Engine Control System - Diagnostic Codes (07 Of 10)) >> SFI SYSTEM (for Gasoline Model) >> DTC P051A-15: Crankcase Pressure Sensor "A" Circuit High Circuit Short to Battery or Open [10/2022 - ] >> Description

DTC P051A-15: Crankcase Pressure Sensor "A" Circuit High Circuit Short to Battery or Open [10/2022 - ]: Description

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Refer to DTC P051A-11.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority Note
P051A-15 Crankcase Pressure Sensor "A" Circuit High Circuit Short to Battery or Open The output voltage from the vacuum sensor assembly is higher than 4.66 V for 3 seconds or more (1 trip detection logic).
  • Open or short in vacuum sensor assembly circuit
  • Vacuum sensor assembly
  • ECM
Comes on Engine A
  • SAE Code: P051D
  • DTC for Mexico Models: Does not apply

HINT: 

When a DTC is output, check the Data List item "PCV Pressure Sensor 1 Voltage" using the GTS.

Refer to DATA LIST / ACTIVE TEST [10/2022 - 10/2024] , or refer to DATA LIST / ACTIVE TEST [10/2024 - ]

DTC No. PCV Pressure Sensor 1 Voltage or PCV Pressure Sensor 2 Voltage Malfunction
P051A-15 120 kPa [17.4 psi] or higher
  • Short in V1PC circuit to PPC1 circuit
  • Open in PPC1 circuit
  • Open in EIPC circuit

If the Data List displays a normal value, the normal value may be due to a temporary recovery from the malfunction condition. Check for intermittent problems.