P0D73

A/C Compressor Control Module Internal Temperature Sensor A Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Air conditioner doesn't work
Hot air from deflectors
Check Engine light comes on
Reduced cooling efficiency
Noisy compressor operation

Causes

Faulty module temperature sensor
Open or short circuit in the circuit
Poor contact in the connector
Contact corrosion
Compressor control module malfunction

How to Fix

Check the integrity of the wiring and connectors
Measure the resistance of the temperature sensor
Check the voltage in the sensor circuit
Replace the faulty sensor if necessary
Flash or replace the control module if a malfunction is detected

Related codes

P0D74 P0D72 P0532