DTC P0530 Cadillac

A C Refrigerant Pressure Sensor Circuit Malfunction

A C Refrigerant Pressure Sensor Circuit Malfunction

Description

Engine running with A C requested on, and the PCM detected the A C Pressure sensor was less than 0.10v (9 psi) or it was more than 4.88v (448 kPa) for 5 seconds during the test.

Cause and Solution

ACP sensor signal circuit is open or shorted to ground
ACP sensor signal circuit is shorted to VREF or system power
ACP sensor ground circuit is open
ACP sensor is damaged or has failed

Video Guide

Duration: PT4M13S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0530
  • Brand: Cadillac
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