Use as a general guide for engines starting about 1999-2000, where more specific data is not available is not available for a particular Group.

Note:  Quick and dirty formatting of the following pages appears to be incompatible with some browser.   I really hate to do this, but I strongly suggest using IE or Mozilla to view these pages.  If someone would like to grab these pages and reformat them so that they look decent with more generic browsers, I would appreciate it and would be happy to repost more compatible versions.  

Group 000, General Engine Data, (no normalization)

Groups 001 - 009 General Engine Data  

Groups 010 - 019:  Ignition & Misfire Detection  

Groups 020 - 029: Knock Control  

Groups 030 - 049:  Mixture Control, O2S Heating, Catalytic Converter  

Groups 050 - 059:  Engine Speed Control  

Groups 060 - 069:  Throttle Valve Control  

Groups 070 - 079: Emission Control Systems (EVAP, Sec. AIR, EGR)

Groups 080 - 085: Control module identification

Groups 090 - 098 Camshaft & Intake Manifold Control 

Groups 099 & 100: Compatibility Groups

Groups 101 - 109: Fuel Injection

Groups 110 - 119:  Load Registration & Boost Pressure Control

Groups 120 - 129: Communication Between Control Modules

Groups 130 - 137: Engine cooling

Groups 140 - 147: BDE

Groups 160 - 169: Lambda Control for SULEV-ULEV