OBD Guide

P2517

A/C Refrigerant Pressure Sensor B Circuit Low

P2517 is an OBD-II diagnostic trouble code meaning: A/C Refrigerant Pressure Sensor B Circuit Low. Common causes: refrigerant pressure sensor b fault, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

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

Symptoms

  • The air conditioner does not work or does not work well
  • Hot air from vents
  • Check Engine light comes on
  • Increased fuel consumption
  • Unstable engine operation at idle

Causes

  • Refrigerant pressure sensor B fault
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Low refrigerant level in the system
  • Engine control unit malfunction

How to Fix

  1. Check the refrigerant level in the system
  2. Inspect the sensor connector and wiring harness
  3. Check the resistance and voltage in the sensor circuit
  4. Replace the refrigerant pressure sensor if necessary
  5. Reset the error code and check the system

Related codes

Error P2517 by Vehicle Brand

FAQ

What does the P2517 code mean?

P2517 is an OBD-II diagnostic trouble code that indicates: A/C Refrigerant Pressure Sensor B Circuit Low

What causes a P2517 error code?

The most common causes of P2517 include: Refrigerant pressure sensor B fault; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Low refrigerant level in the system.

How do I fix a P2517 diagnostic trouble code?

To fix P2517: Check the refrigerant level in the system. Inspect the sensor connector and wiring harness. Check the resistance and voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2517?

Yes, but get it checked soon

How much does it cost to fix P2517?

The estimated repair cost for P2517 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat