Diagnostics doctor

Steve Rothwell answering your ENGINE MANAGEMENT queries

Your non-diagnostic vehicle-related problems solved

Tech solutions and real world tips

Tracing and fixing faults in electronic engine management systems

Tracing and fixing faults in electronic engine management systems

I have a 2009 Autocruise on a Peugeot Boxer chassis. Recently, I noticed my left-hand rear fog light was stuck on. I traced the wire for this back to the BSI (body system interface). Disconnecting it,