OBD Guide
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U02BC

Lost Communication With Localization and Mapping Module

U02BC is an OBD-II diagnostic trouble code meaning: Lost Communication With Localization and Mapping Module. Common causes: open or short circuit in wiring harness, problems with power supply of the localization module. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • The navigation system does not work or does not work correctly
  • Error message on the dashboard
  • Malfunctions in driver assistance systems (if any)
  • The Check Engine light may be on on the dashboard.
  • No map updates in the navigation system

Causes

  • Open or short circuit in wiring harness
  • Problems with power supply of the localization module
  • Malfunction of the localization module itself
  • Software problems
  • Corroded or oxidized connectors

How to Fix

  1. Check the integrity of the wiring harness to the localization module
  2. Check fuses and module power supply
  3. Inspect connectors for corrosion or damage
  4. Try to reboot the module (disconnect and connect the battery)
  5. Run software diagnostics

Related codes

U02BDU0100U0121

Error U02BC by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the U02BC code mean?

U02BC is an OBD-II diagnostic trouble code that indicates: Lost Communication With Localization and Mapping Module

What causes a U02BC error code?

The most common causes of U02BC include: Open or short circuit in wiring harness; Problems with power supply of the localization module; Malfunction of the localization module itself; Software problems.

How do I fix a U02BC diagnostic trouble code?

To fix U02BC: Check the integrity of the wiring harness to the localization module. Check fuses and module power supply. Inspect connectors for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U02BC?

Yes, but get it checked soon

How much does it cost to fix U02BC?

The estimated repair cost for U02BC is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat