P0D77

A/C Compressor Control Module Output Driver Temperature Sensor Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Air conditioner won't turn on
Intermittent operation of the air conditioner
Hot air from deflectors
Check Engine light comes on
Increased temperature in the engine compartment

Causes

Control module temperature sensor malfunction
Open or short circuit in wiring
Poor contact in connectors
Compressor control module malfunction
Contact corrosion

How to Fix

Check the integrity of the wiring to the sensor
Check the resistance of the temperature sensor
Clean connector contacts
Replace temperature sensor if necessary
Check the functionality of the compressor control module

Related codes

P0D78 P0D79 P0D76