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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 94 (Hybrid Transaxle System (Pc60) - Diagnostic Codes (4 Of 4) & Circuit Tests) >> Hybrid Transaxle System >> DTC P3175-2A: Electric/Auxiliary Transmission Fluid Pump "A" Motor Temperature Sensor Signal Stuck In Range [09/2023 - ] >> Description

DTC P3175-2A: Electric/Auxiliary Transmission Fluid Pump "A" Motor Temperature Sensor Signal Stuck In Range [09/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.

The TCM detects the motor coil temperature and controls the oil pump motor.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority Note
P3175-2A Electric/Auxiliary Transmission Fluid Pump "A" Motor Temperature Sensor Signal Stuck In Range Either condition is met: (2-trip detection logic)
  • After turning the ignition switch to ON and driving for the specified time, it is detected that the EOP coil temperature is below 20°C (68°F)
  • The EOP coil temperature is high (100°C (212°F) or higher) compared with the transaxle fluid temperature when the ignition switch is turned to ON
  • Transaxle fluid
  • Transaxle assembly with motor
Comes on Transmission B SAE: P317E
DTC DETECTION CONDITION PATTERNS

  Vehicle Condition
Pattern 1 Pattern 2
Diagnostic Condition After turning the ignition switch to ON and driving for the specified time -
Ignition switch is ON -
Malfunction Condition EOP coil temperature is below 20°C (68°F) -
The EOP coil temperature is high (100°C (212°F) or higher) compared with the transaxle fluid temperature -
Duration - -
Detection Logic 2-trip detection logic 2-trip detection logic

HINT: 

This DTC is stored when any of the above detection patterns are met.