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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Engine Control System - Diagnostic Codes (1 Of 6)) >> SFI System >> DTC P0110-15: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open [12/2023 - ] >> Description

DTC P0110-15: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open [12/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0110-11.

Refer to DESCRIPTION 

HINT: 

When DTC P0110-15 is stored, the ECM enters fail-safe mode. During fail-safe mode, the intake air temperature is estimated to be 20°C (68°F) by the ECM. Fail-safe mode continues until a pass condition is detected.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority Note
P0110-15 Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open The intake air temperature sensor output voltage is higher than 4.91 V for 0.5 seconds or more (1 trip detection logic).
  • Open or short in intake air temperature sensor circuit
  • Intake air temperature sensor (mass air flow meter sub-assembly)
  • ECM
Comes on Engine A SAE Code: P0113

HINT: 

When a DTC is output, check the Data List item "Intake Air Temperature" using the GTS.

Refer to DATA LIST / ACTIVE TEST [12/2023 - ]

DTC No. Intake Air Temperature Malfunction
P0110-15 -40°C (-40°F)
  • Short to +B in THA circuit
  • Open in THA circuit
  • Open in ETHA circuit

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