OBD Guide
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U04A6

Invalid Data Received From Hybrid/EV Battery Interface Control Module F

U04A6 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Hybrid/EV Battery Interface Control Module F. Common causes: battery management module software problems, damage to high voltage system wiring. Estimated repair cost: $56–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–556 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced vehicle power
  • Problems with charging a high-voltage battery
  • The car goes into emergency mode
  • Error message on the dashboard

Causes

  • Battery management module software problems
  • Damage to high voltage system wiring
  • Battery management module malfunction
  • Problems with the CAN bus
  • Contact corrosion in a high voltage system

How to Fix

  1. Carry out CAN bus diagnostics
  2. Check the integrity of high-voltage wiring
  3. Update Battery Management Module Software
  4. Check and clean the contacts of the high-voltage system
  5. Repair only from an authorized dealer

Related codes

U04A5U04A7U04A8

Error U04A6 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the U04A6 code mean?

U04A6 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Hybrid/EV Battery Interface Control Module F

What causes a U04A6 error code?

The most common causes of U04A6 include: Battery management module software problems; Damage to high voltage system wiring; Battery management module malfunction; Problems with the CAN bus.

How do I fix a U04A6 diagnostic trouble code?

To fix U04A6: Carry out CAN bus diagnostics. Check the integrity of high-voltage wiring. Update Battery Management Module Software. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U04A6?

Limited driving only, diagnose soon

How much does it cost to fix U04A6?

The estimated repair cost for U04A6 is $56–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat