Are you using the factory trailer harness wiring module? If so, perhaps yours is "coded off" for the lamp test.


2002 X5 3.0 361,400 miles
2014 428i 64,000 miles


2004 325i sold at 123,600 miles
2001 325i sold at 66,000 miles


1970 Firebird Under restoration - engine dyno run in August

:banghead:You are correct. I have LED tail lights and coded off the lamp tests a few years ago. I totally forgot until you mentioned it.

Hi, what program is that? It looks a bit like Navcoder, but mine doesn't have so many options.

BMW Scanner 1.4 also known as PA Soft 1.4.

OK, thanks.