top of page

P0531

Overview

Code

P0531

Code Type

P

Code Class

P0

System

A/C

Severity Level

Medium

Emissions Related

false

Drivability Impact

Minor

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0531 indicates a low input from the A/C refrigerant pressure sensor

Symptoms

Inadequate cooling; Check Engine Light

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

A/C refrigerant pressure

Possible Causes

Low refrigerant level; Faulty refrigerant pressure sensor

Diagnostic Steps

1 Check refrigerant level 2 Inspect sensor wiring

Drive Safety Notes

Cooling performance affected

bottom of page