Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the sensor inside the air conditioner's compressor. It's like the sensor can't tell how hot it is, which can make the air conditioner not work right.
The A/C compressor has a temperature sensor that monitors the internal temperature. This code indicates the sensor is reading a temperature lower than expected, or there's an issue with the sensor circuit.
The P0D73 code is triggered when the A/C compressor control module detects a low voltage signal from the internal temperature sensor A. This could indicate a short circuit, a faulty sensor, or a wiring issue.
• A/C not cooling properly
• A/C compressor not engaging
• Warning light on dashboard
• Faulty temperature sensor
• Wiring issues (short or open circuit)
• Faulty A/C compressor control module
A/C: Air Conditioning
Compressor: A device that compresses refrigerant and circulates it through the A/C system
• Check for any visible wiring issues
• Test the temperature sensor with a multimeter
• Inspect the A/C compressor control module for faults
• Repair or replace faulty wiring
• Replace the temperature sensor
• Replace the A/C compressor control module if necessary
• Multimeter
• Screwdriver set
• OBD-II scanner
$150 - $500
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regularly inspect A/C system wiring
• Perform routine A/C system maintenance
• Check for software updates for the control module
Sensor Issue
• Have your vehicle's A/C system checked regularly
• Address any A/C issues promptly to avoid further damage
Check with your vehicle's manufacturer for warranty coverage on A/C components.
This code has been reported in vehicles with aging A/C systems or those exposed to harsh climates.
Moderate – Address the issue to maintain A/C functionality and prevent further damage.
Operating a vehicle with a malfunctioning A/C system may not directly affect safety, but it can lead to discomfort and potential overheating of components.
• Engine running
• A/C system activated
The temperature sensor is located within the A/C compressor, which is typically found at the front of the engine bay.
Q: Can I drive with the P0D73 code?
A: Yes, but your A/C might not work properly, which can be uncomfortable in hot weather.
Q: How can I reset the P0D73 code?
A: After fixing the issue, you can use an OBD-II scanner to clear the code.
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