OBD Guide
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U0191

Lost Communication With Television

U0191 is an OBD-II diagnostic trouble code meaning: Lost Communication With Television. Common causes: tv malfunction, open or short circuit in the wiring between the control module and the tv. Estimated repair cost: $56–556.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–556 (est.)

Symptoms

  • No picture on TV screen
  • Inability to control the TV through the car's standard controls
  • Error message on the multimedia system screen
  • Other vehicle systems may not work correctly (in rare cases)

Causes

  • TV malfunction
  • Open or short circuit in the wiring between the control module and the TV
  • Malfunction of the control module responsible for communication with the TV
  • Problems with the CAN data bus
  • Loose or corroded connectors

How to Fix

  1. Check the wiring and connectors between the control module and the TV for damage and corrosion.
  2. Check the TV's power supply and grounding.
  3. Check the CAN data bus for breaks or short circuits.
  4. Check the TV in another car (if possible) or replace it.
  5. Check the control module responsible for communication with the TV and replace it if necessary.

Related codes

U0100U0155U0140

Error U0191 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the U0191 code mean?

U0191 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Television

What causes a U0191 error code?

The most common causes of U0191 include: TV malfunction; Open or short circuit in the wiring between the control module and the TV; Malfunction of the control module responsible for communication with the TV; Problems with the CAN data bus.

How do I fix a U0191 diagnostic trouble code?

To fix U0191: Check the wiring and connectors between the control module and the TV for damage and corrosion.. Check the TV's power supply and grounding.. Check the CAN data bus for breaks or short circuits.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0191?

Yes, but get it checked soon

How much does it cost to fix U0191?

The estimated repair cost for U0191 is $56–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat