OBD Guide
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P0D79

A/C Compressor Control Module Output Driver Temperature Sensor Circuit Intermittent/Erratic

P0D79 is an OBD-II diagnostic trouble code meaning: A/C Compressor Control Module Output Driver Temperature Sensor Circuit Intermittent/Erratic. Common causes: open or short circuit in wiring harness, oxidized or damaged connector contacts. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Intermittent operation of the air conditioner
  • The air conditioning compressor suddenly turns off
  • Reduced cooling efficiency
  • Hot air from ducts
  • The air conditioning indicator is flashing

Causes

  • Open or short circuit in wiring harness
  • Oxidized or damaged connector contacts
  • Faulty control module temperature sensor
  • Problems with the compressor control module
  • Poor circuit grounding

How to Fix

  1. Check the integrity of the wiring and connectors in the sensor circuit
  2. Clean the contacts from corrosion and ensure a reliable connection
  3. Test the temperature sensor with a multimeter
  4. If necessary, replace the temperature sensor
  5. Check and reflash the compressor control module

Related codes

P0D7AP0D78P0D77

Error P0D79 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0D79 code mean?

P0D79 is an OBD-II diagnostic trouble code that indicates: A/C Compressor Control Module Output Driver Temperature Sensor Circuit Intermittent/Erratic

What causes a P0D79 error code?

The most common causes of P0D79 include: Open or short circuit in wiring harness; Oxidized or damaged connector contacts; Faulty control module temperature sensor; Problems with the compressor control module.

How do I fix a P0D79 diagnostic trouble code?

To fix P0D79: Check the integrity of the wiring and connectors in the sensor circuit. Clean the contacts from corrosion and ensure a reliable connection. Test the temperature sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0D79?

Yes, but get it checked soon

How much does it cost to fix P0D79?

The estimated repair cost for P0D79 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat