C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

TunerCat vs TunerProRT "flags" don't line up

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Old Aug 6, 2010 | 12:44 PM
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Default TunerCat vs TunerProRT "flags" don't line up

Has anyone ever seen this? Using the same $6E.xdf file, flags don't seem to line up.

Setting the transmission to manual in TunerCat doesn't result in that flag getting set in TunerPro. Setting the transmission to manual in TunerPro causes VATs to get enabled.

This was discovered while asking question to the person helping me with my tune. The use one package while I downloaded the other.

I'll post in SCAN/TUNE if no one has an answer here.
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Old Aug 6, 2010 | 09:21 PM
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Originally Posted by GREGGPENN
Has anyone ever seen this? Using the same $6E.xdf file, flags don't seem to line up.

Setting the transmission to manual in TunerCat doesn't result in that flag getting set in TunerPro. Setting the transmission to manual in TunerPro causes VATs to get enabled.

This was discovered while asking question to the person helping me with my tune. The use one package while I downloaded the other.

I'll post in SCAN/TUNE if no one has an answer here.

http://www.thirdgen.org/techboard/diy-prom/

forget about this place for programming go to third gen

you may find it in "search"
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Old Aug 6, 2010 | 10:03 PM
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Good idea. Thanks!
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Old Aug 6, 2010 | 10:08 PM
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In $6E, the manual transmission switch is bit 0 of the Air Fuel Opt Word located at LC014.

There is a 2nd manual transmission switch which is used by the IAC at LC579.

Check your xdf and tdf files. One of them has the wrong address.
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Old Aug 7, 2010 | 12:58 AM
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Originally Posted by tequilaboy
In $6E, the manual transmission switch is bit 0 of the Air Fuel Opt Word located at LC014.

There is a 2nd manual transmission switch which is used by the IAC at LC579.

Check your xdf and tdf files. One of them has the wrong address.
Is TDF the definition file for TunerCAT (the program used by my tuner/helper)?

Since my helper instructed me to load the BIN file into address C000 of the chip, I assume I'm supposed to look at the contents of HEX 0014 and HEX 0579 (using the Hex Editor in TPro)? [[[Otherwise LC prefixed addressed would be above the code.]]]

If so, the contents of 0014 is "85" while 579 is "00". Note,,,the highest HEX address is 3FFF (as shown by the Hex Editor). Plus setting the manual transmission flag did not alter either of these two bytes. So, I don't know where else to look!

I must not understand what you're saying.

Also, the word "transmission" only appears once in the text version of the BIN file.
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Old Aug 7, 2010 | 09:35 AM
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Yes you are correct on the addressing concept.

LC014 would be simply 014 and LC0579 would be 579.

The *.tdf file, is the TunerCat version of a ecm's definition file, similar the the *.xdf file in TunerPro.

In the $6E tdf (version AU) that I checked, only the switch at LC0579 is available and is labelled as: Manual/Auto Transmission X = Manual. This is used to add an offset to the IAC position when the car is moving faster than the idle PID disable speed.

Since you need the TunerCat tdf editor to see this information in TunerCat, I would suggest that you first check your $6E xdf file in TunerPro (Right click: Edit Item XDF info) and compare the address and bit for the switch in question to verify it is correct.
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