OBD Guide
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U05A0

Invalid Data Received from Evaporative Emission System Leak Detection Control Module

U05A0 is an OBD-II diagnostic trouble code meaning: Invalid Data Received from Evaporative Emission System Leak Detection Control Module. Common causes: evap leak control module malfunction, open or short circuit in wiring harness. Estimated repair cost: $33–167.

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

Symptoms

  • Check Engine Light Is On
  • Possible problems starting the engine
  • Increased fuel consumption
  • Unstable engine idling
  • Errors in the EVAP system during diagnosis

Causes

  • EVAP leak control module malfunction
  • Open or short circuit in wiring harness
  • Poor contact in module connectors
  • Module power problems
  • Software error in ECU

How to Fix

  1. Check the integrity of the wiring harness to the EVAP module
  2. Check connections and contacts in connectors
  3. Check the power supply and ground of the module
  4. Test or replace EVAP leak control module
  5. Update ECU firmware if necessary

Related codes

U05A1U05A2P0440

Error U05A0 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the U05A0 code mean?

U05A0 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received from Evaporative Emission System Leak Detection Control Module

What causes a U05A0 error code?

The most common causes of U05A0 include: EVAP leak control module malfunction; Open or short circuit in wiring harness; Poor contact in module connectors; Module power problems.

How do I fix a U05A0 diagnostic trouble code?

To fix U05A0: Check the integrity of the wiring harness to the EVAP module. Check connections and contacts in connectors. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U05A0?

Yes, but get it checked soon

How much does it cost to fix U05A0?

The estimated repair cost for U05A0 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat