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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 116 (Heating / Air Conditioning System - Diagnostic Codes (2 Of 3)) >> AIR CONDITIONING SYSTEM (for PHEV Model) >> DTC P0530-11: Refrigerant Pressure Sensor Circuit Short to Ground [12/2023 - ] >> Description

DTC P0530-11: Refrigerant Pressure Sensor Circuit Short to Ground [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.

The air conditioning pressure sensor, which is installed to the high pressure side pipe to detect refrigerant pressure, sends a refrigerant pressure signal to the air conditioning amplifier assembly. The air conditioning amplifier assembly converts this signal to a pressure value according to the sensor characteristics and uses it to control the compressor.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory DTC Output from Priority Note
P0530-11 Refrigerant Pressure Sensor Circuit Short to Ground Diagnosis Condition:
  1. Ignition switch ON

Malfunction Status:
  1. Short in air conditioning pressure sensor circuit

Detection Time:
  1. Continuously for 4 seconds or more

Trip:
  1. 1 trip detection logic
  • Air conditioning pressure sensor
  • Harness or connector
  • Air conditioning amplifier assembly
Come on Memorized Air Conditioner A SAE Code:
  1. P0532