OBD Guide
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U014A

Lost Communication With Battery Energy Control Module C

U014A is an OBD-II diagnostic trouble code meaning: Lost Communication With Battery Energy Control Module C. Common causes: open or short circuit in the communication circuit, battery energy management module c malfunction. Estimated repair cost: $56–222.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced vehicle performance
  • Battery charging problems
  • Limitation of hybrid system operation
  • Other related errors appear

Causes

  • Open or short circuit in the communication circuit
  • Battery Energy Management Module C malfunction
  • Problems with the wiring harness or connectors
  • Software failures in the module
  • Problems with the main ECU

How to Fix

  1. Check the integrity of the communication circuit with the module
  2. Inspect connectors and wiring harness for damage
  3. Check power supply and grounding of the module
  4. Scan the module for additional errors
  5. Replace Battery Energy Management Module C if necessary

Related codes

U0140U0141U014B

Error U014A by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the U014A code mean?

U014A is an OBD-II diagnostic trouble code that indicates: Lost Communication With Battery Energy Control Module C

What causes a U014A error code?

The most common causes of U014A include: Open or short circuit in the communication circuit; Battery Energy Management Module C malfunction; Problems with the wiring harness or connectors; Software failures in the module.

How do I fix a U014A diagnostic trouble code?

To fix U014A: Check the integrity of the communication circuit with the module. Inspect connectors and wiring harness for damage. Check power supply and grounding of the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U014A?

Limited driving only, diagnose soon

How much does it cost to fix U014A?

The estimated repair cost for U014A is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat