OBD Guide

P1465

Air Conditioning Relay Circuit Malfunction

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–44 (est.)

Symptoms

  • Air conditioner won't turn on
  • Intermittent operation of the air conditioner
  • Relay clicks without turning on the compressor
  • Hot air from deflectors
  • Overheat warning light comes on

Causes

  • Faulty A/C relay
  • Open or short circuit in wiring
  • Problems with the climate control unit
  • Air conditioning compressor malfunction
  • Poor contact in circuit connectors

How to Fix

  1. Check the condition of the air conditioner relay
  2. Diagnose the control circuit for opens and short circuits
  3. Check connectors and connections
  4. Test the climate control unit
  5. Replace faulty circuit components

Related codes

Error P1465 by Vehicle Brand