P0D74

A/C Compressor Control Module InternalTemperature Sensor A Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable operation of the air conditioner
The air conditioner may turn off spontaneously
Reduced cooling efficiency
Check Engine light comes on
Possible noise from the air conditioning compressor

Causes

Open or short circuit in the temperature sensor circuit
Poor contact in the sensor or control module connectors
Temperature sensor malfunction
Wiring harness damage
Compressor control module malfunction

How to Fix

Check the continuity of the temperature sensor circuit
Inspect the sensor and control module connectors for damage or oxidation
Check the resistance of the temperature sensor
If necessary, replace the temperature sensor
If the problem persists, check or replace the compressor control module

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