1993-2011 General Motors Company, GM Customer Care & Aftersales. All Rights Reserved.
Page
248
Setterlun/Cline
6/20/2006
- Page 235
– correct offset to routine in
utility example
- Page 235
– correct TypeOfHeaderUtility value to 11
- Added GMLAN op-code $01 fatal error on Target Address FE and TIMEOUT
description.
- Changed GMLAN op-code $14 description to indicate physical addressed
usage.
- Changed GMLAN op-code $20 description to indicate development only usage.
Setterlun/Cline
8/16/2006
- Class 2 OpCode $3C and OpCode $3B
Use of internal storage buffers to read/write data from these buffers.
Kacel/Cline
9/20/2006
Appendix D GMLAN message flow steps $12 and $13 correct messages from
$34 to $3B
Cline/Setterlun
9/20/2006
Add GMLAN Op Code $25
for Global A Security Code
Cline/Setterlun
9/20/2006
Modify all storage buffer values from 00-09 to 0x00 - 0x13
Cline/Setterlun
10/04/2006
Add comments to GMLAN mode $27 for “Timer Not Expired – 37” functionality
Cline
4/01/2007
Remove GMLAN Development Op Codes $02 and $03
Cline
4/01/2007
Add GMLAN Op Code $22
– Read data by PID
Cline/Koski
4/01/2007
Per Devin Koski
– modify Op Code $25 action fields AC1, AC2 and AC3
Cline
4/01/2007
Add Op Code $84 for Class 2
– Set Communications Parameters – Add delay
Cline/Setterlun
4/01/2007
- Update KWP2000 and GMLAN Op Code $27 security access information
-
Add clarification to the statement “from the header” which becomes “from the
utility file header” where appropriate
J. Cline
4/04/2007
Update Op Code $51 text for 20 buffers. Add Class 2 to Op Codes $53 and $54
J. Cline
4/05/2007
Spelling and grammar check.
J. Cline
7/12/2007
GMLAN Op Code $AA
– add note concerning
optional interface support
GMLAN Op Code $84
– add note concerning assembly plant support
GMLAN Op Code $3B
– Correct AC1 ID for saved bytes (0x00 – 0x13)
Page 243
– correct spelling of Cleaveland
Class 2 Op Code $3B
– Correct AC3 and Example 6 – storage buffer is AC2
Setterlun
8/15/2007
Class 2 OpCodes 3B & 3C: Updated these OpCodes to better explain
how data
is read from and stored to one of the “internal storage locations” - - - specifically
regarding the amount of data.
Cline/Koski
8/26/2007
GMLAN Op Code $25
– Update Security Code Text description for AC2 to
Security Code 1 or Security Code 2
Cline/Wist
12/06/2007 Add Internal Data Specificers $44 (Tire Type) and $45 (TPIM placard data) to Op
Code $53 and Op Code $54
Koski/Wist
2/29/2008
Op Code $25
– Update text for improved security code description
Cline/Setterlun
2/29/2008
GMLAN Op Code $27
– Add Security Table GMLAN-1 information to AC2 and
description
A. Wist
2/29/2008
Op Code $53/$54
– Add Internal Data Specificer $46 (Diesel Injector Mass
Adjustment)
Setterlun/Wist
2/29/2008
Op Code $54
– Add AC2 exception $08 Copy the data from one
storage buffer to
another
Cline/Setterlun
2/29/2008
Op Codes $FB/$FD
– Increase loop counters from 10 to 20 ( 0x00 – 0x13)
Cline
2/29/2008
Update copyright for 2008
Cline
Setterlun
4/12/08
Add Op Code $56
– Plant/Service/FCP
Add note to Op Code $53
– numeric part number names in DPS
GMLAN Op Code $84
– Add ESCAN link info.
Minor Cosmetic Updates based on comments from Dirk (Setterlun)
-- OpCode FF, GMLAN OpCode 20, Class 2 OpCode A8
My Update OpCode $53 comment (DPS).
Cline/Setterlun
8/01/2008
Add Internal Data Specifier support for GMLAN mode $3B per GM AVG request.
Add documentation to clarify $3B usage and Data integration into $3B message.
Cline
8/01/2008
Replace all reference to GM Service Operations with GM
Service and Parts
Operations
Cline/Setterlun
8/12/2008
Add option to FD Op-Code to clear all counters per GM AVG. Update
documentation to include default operation of counters.
CameraLoops.com
1993-2011 General Motors Company, GM Customer Care & Aftersales. All Rights Reserved.
Page
249
Cline/Setterlun
12/15/2008
Add “Programming Storage Buffers – Recommended Usage” section (beginning
of this document) and appropriate
„Note‟ updates to several OpCodes that use
storage buffers: Class2: $B2 - Kwp2000: $23, $71, $78
– GMLAN: $1A, $22,
$A2, $AA Common: $50, $51, $53, $54.
Cline
12/15/2008
Add Note concerning Type “C” ECUs and OpCode $AA usage
in part one of utility
file
Cline/Wist
9/01/2009
Add Comments to Op Code $54 and GMLAN Op Code $3B for assembly plant
data ID $46. Update GM Corporation to GM Company.
Wist
03/29/2011 Plant Manufacturing Specific Updates to:
-
GMLAN OpCode $3B (AC2, AC3==03 Update)
– Special Plant Data IDs.
-
OpCode $53
– Added Internal Data Identifiers $47-$49 (plant only).
-
OpCode $54
– AC1, AC2, AC3: Plant data IDs $47-$49 update.
Setterlun
04/01/2011 Minor Updates: (for April 1, 2011 document)
-
Copyright update,
“SPO” changed to CCA, version/date updates, …
-
KWP OpCode 84
– P2Max resolution is 25ms not 250ms.
-
OpCode $54
– “shift” actions are exceptions 04 or 05 (not 03 or 04).
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