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U0413 Invalid Data Received From Battery Energy Control Module B

Check engine lightOn
EmissionsRelevant
Drive cycleNot required
Limp modePossible

U0413 is the counterpart of U0412 for battery energy control module B, used where the high-voltage battery has a second management unit or a split controller. Volkswagen's 2014 Jetta Hybrid chart sets it on implausible data, while the 2014 Touareg Hybrid chart uses U0413 for its single battery module, which shows that the A/B assignment is maker-specific. Audi stores U041300 in the engine and electric drive controllers of the Q5 and A7 plug-in hybrids (model years 2019-2022) together with a drive system warning; the cause was software in the battery management and its junction box, cured by an update. U0112 means lost contact, U0313 a software mismatch, U0412 covers module A. Electric driving may be restricted.

Likely causes

Software error in battery management or junction box (Audi: SVM update)
Bus wiring or connector fault at the battery module
Battery energy control module B internally faulty

Symptoms

  • Drive system or engine warning light on
  • Electric driving or charging restricted
  • Code stored in engine and electric drive controllers

Repair estimate

DifficultyShop_onlyWorkshop job
Parts and labour€100–1,500
Time0.5–3 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

battery energy module bhybrid control modulecan bus wiring

Related codes

U0112U0313U0412

References: static.nhtsa.gov, static.nhtsa.gov, static.nhtsa.gov.