Circuit description
WARNING: This page is about a different car, the 2014 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.
B1012 is output when a BECU circuit malfunction is detected.
NOTE:
If B1011 is output at the same time, there are some cases where all functions of the main body ECM (Network gateway computer) do not operate.
| Diagnostic codes | Detecting conditions | Faulty part |
|---|---|---|
| B1012 | The BECU voltage is 8.3 V or less, or 16.7 V or more (BECU circuit malfunction) |
|