OBD Guide

P1461

Air Conditioning Pressure Sensor ACP Sensor High Voltage Detected

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect operation of the air conditioner
  • The air conditioner turns off spontaneously
  • Increased noise from the air conditioning compressor
  • Reduced cooling efficiency
  • Check Engine light comes on

Causes

  • Air conditioner pressure sensor malfunction
  • Short circuit in the sensor circuit
  • Broken or damaged wiring
  • Problems with the sensor connector
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Measure the resistance and voltage of the sensor
  3. Check sensor parameters with a scanner
  4. Replace the air conditioner pressure sensor if necessary
  5. Check the operation of the system after repair

Related codes

Error P1461 by Vehicle Brand