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P0B22Battery contactor assembly failure, Battery Energy Control Module (BECM) failure

⚙️ Powertrain (Motor y Transmisión)🏭 Specific to Audi
Moderada

Electrical fault on the phase U current sensor of the generator/MG2 used in series-parallel hybrid systems.

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Can I keep driving? With caution

You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.

Sistema Afectado

Sistema Híbrido / EV · Batería HV y motor eléctrico

Vehículo despiece — Sistema Híbrido / EV

Pertenece al sistema de alto voltaje: batería de tracción, inversor o motor eléctrico.

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Possible Causes

The components or conditions that trigger this code

  • 1Current sensor failed
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Estimated Cost

Approximate range in USD (varies by region and shop)

$500$8,000

HV electric system

* Diagnosis only: $50–$150

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