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.
