Search found 3 matches

by mcsputnik
Tue Nov 11, 2025 9:25 pm
Forum: Registration
Topic: 2003 620S ECU data Bad
Replies: 4
Views: 42

Re: 2003 620S ECU data Bad

Also, also I assume if I want to use the ECU map dump (ECU276c) I need to register?
by mcsputnik
Tue Nov 11, 2025 9:22 pm
Forum: Registration
Topic: 2003 620S ECU data Bad
Replies: 4
Views: 42

Re: 2003 620S ECU data Bad

understood, im able to get reasonably accurate data from JPdiag, and dont "need" to register.

However, among other things I wanted to check was that the dash mileage matched.

Was curious if anyone had seen a similar bug, and whether filtering was useful or what ended up concluding.
by mcsputnik
Tue Nov 11, 2025 7:58 pm
Forum: Registration
Topic: 2003 620S ECU data Bad
Replies: 4
Views: 42

2003 620S ECU data Bad

Greetings,
Inherited a monster 620S with a chopped rear end and no Cat.

Plugs are soaking wet, guessing I need to update the ECU map.

However, this is all that gets spit out when I try to register:


IAW59MHW010
00

0000

00 00 00 00 00
LOADF:2.10
20 02 11 26
Pas de n° de série

which is ...