P1546 - Air Conditioning Clutch Feedback Circuit Low Voltage

Repair Importance Level: 1/3
Repair Difficulty Level: 3/3  What does this mean?

P1546 Possible Causes

  • Faulty A/C Clutch Relay
  • A/C Clutch Relay harness is open or shorted
  • A/C Clutch Relay circuit poor electrical connection

First diagnose P1546 code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the P1546 code

    Labor: 1.0

    The cost of diagnosing the P1546 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

P1546 Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1546 Meaning

The Powertrain Control Module (PCM) will activate the A/C clutch relay when the PCM detects that A/C has been requested. When the PCM activates the relay, the voltage should be present at both the A/C compressor clutch and the A/C clutch status circuit at the PCM.
OBDII Code P1546 - Air Conditioning Clutch Feedback Circuit Low Voltage - Engine-Codes.com

P1546 More Information

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