OBD Guide
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U0556

Invalid Data Received From Front Display Interface Module

U0556 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Front Display Interface Module. Common causes: front display module malfunction, problems with the wiring harness to the display. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Dashboard display does not work or blinks
  • Missing some information on the display
  • The appearance of graphic artifacts on the screen
  • Spontaneous display reboots
  • Errors in displayed data

Causes

  • Front display module malfunction
  • Problems with the wiring harness to the display
  • Poor contact in connectors
  • Module software failure
  • Module power problems

How to Fix

  1. Check display module connections and connectors
  2. Check the integrity of the wires in the harness
  3. Check the power supply and ground of the module
  4. Update module software
  5. Replace the front display module if necessary

Related codes

U0555U0557U0566

Error U0556 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the U0556 code mean?

U0556 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Front Display Interface Module

What causes a U0556 error code?

The most common causes of U0556 include: Front display module malfunction; Problems with the wiring harness to the display; Poor contact in connectors; Module software failure.

How do I fix a U0556 diagnostic trouble code?

To fix U0556: Check display module connections and connectors. Check the integrity of the wires in the harness. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0556?

Limited driving only, diagnose soon

How much does it cost to fix U0556?

The estimated repair cost for U0556 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat