Could a dud battery (cell shorted, only providing 10.7v) have been causing the titular error code when the battery was beginning to fail? The daughter's d40 has had an intermittent issue with this failt sending the vehicle into limp. The only time I could get it started on the weekend, before diagnosing the battery, it was permanently "limp" even after clearing logged faults. So much so, the vehicle wouldn't even move. New battery this morning, no fault code, no limp, and running like a dream. I theorise that low voltage on startup could have returned the incorrect value from the fuel pressure sensor, triggering the fault and limp mode ...