OBD Guide

P0D77

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

P0D77 is an OBD-II diagnostic trouble code meaning: A/C Compressor Control Module Output Driver Temperature Sensor Circuit High. Common causes: control module temperature sensor malfunction, open or short circuit in wiring. Estimated repair cost: $17–56.

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

  1. Check the integrity of the wiring to the sensor
  2. Check the resistance of the temperature sensor
  3. Clean connector contacts
  4. Replace temperature sensor if necessary
  5. Check the functionality of the compressor control module

Related codes

Error P0D77 by Vehicle Brand

FAQ

What does the P0D77 code mean?

P0D77 is an OBD-II diagnostic trouble code that indicates: A/C Compressor Control Module Output Driver Temperature Sensor Circuit High

What causes a P0D77 error code?

The most common causes of P0D77 include: Control module temperature sensor malfunction; Open or short circuit in wiring; Poor contact in connectors; Compressor control module malfunction.

How do I fix a P0D77 diagnostic trouble code?

To fix P0D77: Check the integrity of the wiring to the sensor. Check the resistance of the temperature sensor. Clean connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0D77?

Yes, but get it checked soon

How much does it cost to fix P0D77?

The estimated repair cost for P0D77 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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