OBD Guide
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U041A

Invalid Data Received From Battery Isolation/Voltage Stabilization Control Module

U041A is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Battery Isolation/Voltage Stabilization Control Module. Common causes: malfunction of the voltage stabilization module, damage to the wiring harness to the module. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–556 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced performance of the hybrid system
  • Problems with charging a high-voltage battery
  • Limitation of functionality of electronic systems
  • Error message on the dashboard

Causes

  • Malfunction of the voltage stabilization module
  • Damage to the wiring harness to the module
  • Poor contact in module connectors
  • Problems with the module software
  • Short circuit in the module power supply circuit

How to Fix

  1. Diagnostics of the voltage stabilization module
  2. Checking the integrity of the wiring harness
  3. Cleaning and checking connector contacts
  4. Module software update
  5. Replacing the module if necessary
  6. Repair only from an authorized dealer

Related codes

U0418U041BU041C

Error U041A by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the U041A code mean?

U041A is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Battery Isolation/Voltage Stabilization Control Module

What causes a U041A error code?

The most common causes of U041A include: Malfunction of the voltage stabilization module; Damage to the wiring harness to the module; Poor contact in module connectors; Problems with the module software.

How do I fix a U041A diagnostic trouble code?

To fix U041A: Diagnostics of the voltage stabilization module. Checking the integrity of the wiring harness. Cleaning and checking connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U041A?

Limited driving only, diagnose soon

How much does it cost to fix U041A?

The estimated repair cost for U041A is $167–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat