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Voltage Auto Service specializes in advanced hybrid, plug-in hybrid and EV diagnostics. Schedule an appointment to have the fault properly tested before replacing parts.

2016 Audi A3 Sportback e-tron Premium Plus – High-Voltage Battery Warning With B1802 F1

  • Aug 16
  • 1 min read

CUSTOMER CONCERN

The high-voltage battery warning is illuminated and the energy-management module stores fault 8526361 / B1802 F1 [008].

CAUSE

The high-voltage battery was confirmed failed, triggering the battery warning and stored energy-management fault.

CORRECTION

Remove and replace the failed high-voltage battery assembly, clear fault 8526361 / B1802 F1 [008], and verify the high-voltage warning remains off and the hybrid system operates normally.

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