M memphis tdi Veteran Member Joined Dec 11, 2005 Location Memphis TDI 1999.5 Jetta TDI Nov 12, 2017 #1 Will a 99.5 Jetta ecu work in a 98 Beetle ?
jettawreck Top Post Dawg Joined Aug 2, 2004 Location Northern Minnesota-55744 TDI 2001 Jetta and 2003 Jetta Nov 12, 2017 #2 The immobilizer won't be happy about it, so at the minimum that would have to be "deleted".
M memphis tdi Veteran Member Joined Dec 11, 2005 Location Memphis TDI 1999.5 Jetta TDI Nov 12, 2017 #3 Pre 2000 cars don't have one.
jettawreck Top Post Dawg Joined Aug 2, 2004 Location Northern Minnesota-55744 TDI 2001 Jetta and 2003 Jetta Nov 13, 2017 #4 I forgot that. Thought they still had the first generation system like my '01.