OBD Guide

P0D73

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

P0D73 is an OBD-II diagnostic trouble code meaning: A/C Compressor Control Module Internal Temperature Sensor A Circuit Low. Common causes: faulty module temperature sensor, open or short circuit in the circuit. 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 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

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

Related codes

Error P0D73 by Vehicle Brand

FAQ

What does the P0D73 code mean?

P0D73 is an OBD-II diagnostic trouble code that indicates: A/C Compressor Control Module Internal Temperature Sensor A Circuit Low

What causes a P0D73 error code?

The most common causes of P0D73 include: Faulty module temperature sensor; Open or short circuit in the circuit; Poor contact in the connector; Contact corrosion.

How do I fix a P0D73 diagnostic trouble code?

To fix P0D73: Check the integrity of the wiring and connectors. Measure the resistance of the temperature sensor. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0D73?

Yes, but get it checked soon

How much does it cost to fix P0D73?

The estimated repair cost for P0D73 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat