WHILL C2 / F fault code 12: Battery communication failure

Code12 CONFIRMED
MeaningBattery communication failure
ControllerC2 / F CONFIRMED
How it showsError code (number) shown on the controller display with a voice / warning logo notification; see the user manual for how each is shown.
Likely part needed: Battery INFERRED – only if the checks below point to it. Find it ›

Likely causes

Battery communication failure Applies to: C2/Ci2/F/Fi. Behaviour: Error notification when 60 seconds have elapsed since communication failure occurred, stop driving when 110 seconds have elapsed, and turn off the power after error notification.

Step-by-step checks

  1. 1
  2. Remove the battery and reinsert it after 10 seconds. 2
  3. Contact your dealer for repair

Switch off before unplugging anything. If the code stays after these checks, get a trained technician to look at it.

Parts that usually fix this INFERRED

Matched by ScootScan from the fault description to parts listed for models that use this controller. Do the checks first – many faults are fixed by charging, a loose plug or a reset – and check the part fits your model before ordering.

Battery
General search – no specific part number is listed for these models yet, so check fit carefully.
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Models using this controller

Other WHILL C2 / F codes

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All WHILL C2 / F codes ›

Source: d1tbl0vbg3dixm.cloudfront.net/wp-content/uploads/Error_code_list_C2_EN ↗

Summarised from public manuals. Always check the product's own manual before any repair.