OBD Guide
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U019C

Lost Communication With Glow Plug Control Module 2

U019C is an OBD-II diagnostic trouble code meaning: Lost Communication With Glow Plug Control Module 2. Common causes: open or short circuit in control circuit, malfunction of the glow plug control module. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Difficulty starting the engine (especially in cold weather)
  • Check Engine Light Is On
  • Reduced engine power
  • Extended warm-up time for glow plugs
  • Possible misfires

Causes

  • Open or short circuit in control circuit
  • Malfunction of the glow plug control module
  • Problems with the wiring harness or connectors
  • Faulty glow plug relay
  • Software error in the ECU

How to Fix

  1. Check the integrity of the module control circuit
  2. Inspect connectors and wiring harness for damage
  3. Check the functionality of the control module
  4. Test glow plug relay
  5. Reset the error and check if it returns

Related codes

U019BU019DU0100

Error U019C by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the U019C code mean?

U019C is an OBD-II diagnostic trouble code that indicates: Lost Communication With Glow Plug Control Module 2

What causes a U019C error code?

The most common causes of U019C include: Open or short circuit in control circuit; Malfunction of the glow plug control module; Problems with the wiring harness or connectors; Faulty glow plug relay.

How do I fix a U019C diagnostic trouble code?

To fix U019C: Check the integrity of the module control circuit. Inspect connectors and wiring harness for damage. Check the functionality of the control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U019C?

Yes, but get it checked soon

How much does it cost to fix U019C?

The estimated repair cost for U019C is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat