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OBD II Fault Code

  • OBD II P2524

OBD-II Code A/C may not operate is defined as a A/C Request "B" Circuit High

When the driver requests the A/C to be turned on, a signal goes from the switch to the engine computer (PCM). The PCM then sends power to the A/C Compressor to turn it on. If the Compressor fails to turn on, code P2524 will be stored.

A/C may not operate Symptoms

  • A/C may not operate

Common Problems That Trigger the P2524 Code

  • A/C compressor failure
  • A/C compressor relay failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue
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