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LBZ 10 Bar Map

Practical Diesel Tuning

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Hopefully someone can chime in on this.

I'm trying to switch to a ten bar MAP on a 2006 LBZ due to heavy mods. Starting with the base file(EFI Live), I am completely lost on where to even begin on finding the place to rescale everything. I know the factory MAP is limited to measuring 36 or so PSI of boost and with the compound setup that is currently installed I know it will/should be above that sometimes.

Any guidance would be greatly appreciated

Usually the seller supplies the information for the map sensor. For my cummins i got:

Sensor Scale: 0.5V= 4.35 PSI, 4.8V = 145 PSI Absolute PressureAbsolute PSI – Barometric Pressure = Actual Boost PSI

Yea that I understand, just figuring out where that goes for a 2006 duramax is the part I'm trying to figure out.

Like the LML in another post I thought the LBZ had the same part for the MAP on efi live. I looked and it doesn't.

Was hoping Nick or Andre would chime in and point me in the right direction

What operating system are you running? I'll see if I have something

That would be awesome if you did Nick, I would be forever grateful. The operating system is 12632483

The truck is a 06 CCLB ZF6 4wd

Try this. Let me know what it reads at idle and we'll see if we're close. I don't know the scaling on your particular sensor.

If it works, I'll tell you where to send the beer.

Attached Files

Sounds good Nick. Thank you and Ill keep in touch

I am looking to upgrade to a 10 bar map sensor myself and I am wondering what address is needed for the cax file so that I can successfully make the adjustments. Here is what is listed on another forum. Not sure if this is the correct address for the LBZ MAP sensor, Seems like its for the Barometric pressure sensor. Hoping Nick will chime in.

; Map Sensor Scaling for GM LBZ OS 52632483

; ================================================== =============================

[B3499]

; Description

; --------------------------------------------------------------------------------------------------

DESC.001 = MAP Sensor Scaling

DESC.002 =

DESC.003 = This is used for aftermarket Manifold Absolute Pressure sensors that have a

DESC.004 = different range than the stock sensor. With the right sensor, it allows logging

DESC.005 = higher boost values than the stock sensor could handle.

; Seg Caption Major Minor Vis Dis 2d Grp

; --- -------------------------------- ---------------- ----- --- --- -- ---

VIEW = 2 "MAP Sensor Scaling" "Engine Sensors" "" 1 2 0 0

;

; Address(es) BitOff Bits Typ Inv

; -------------------------------- ------ ---- --- ---

ADDR = 1B6DEA 0 16 SNM 0

;

; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser

; ----- ------ ------ ---- -------- -------- ------- -------

SI_SLOT = kPa 0.1 0 2 0 3276.7 0 3276.7

;

; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser

; ----- ----------- ------ ---- -------- -------- ------- -------

IM_SLOT = PSI 0.014503768 0 2 0 475.2 0 475

;

; Body Col Row

; -------------- -------------- --------------

ULABELS = . . .

;

; Enumerations

; ---------------------------------------------------------

SI_ENUM = .

IM_ENUM = .

;

; Units Labels

; ----- ------------

SI_COL = kPa "kPa"

IM_COL = PSI "PSI"

SI_ROW = mV "156.4,5000"

IM_ROW = mV "156.4,5000"

Can I ask why you suspect it's for barometric pressure?

The reason I believe its for barometric pressure is because when I view it, it only reads 102kpa. The factory Map sensor should be reading 366kpa if I'm not mistaken.

Attached Files

Alright Tyler, I had to go back to my cal to refresh my memory. Here's the deal. The LBZ Doesn't use a 2 point system. It uses a defined slope. The reality is that the factory sensor is limited to 53psia (~4200mV) in the cal but it's actually capable of reading another 10 psi or so (5000mV) depending on how good of shape its in. Here's a picture with the details.

Feel free to post the .cax after you build it as a thank you if this is helpful.

Nick

Attached Files

Thank you Nick, this will be very helpful. I am still trying to figure out what is going on with the .cax file. When I input that address it still seems off. Do all the OS use that address for MAP or do they have a different address for different OS. I uploaded a screenshot of what I get when I use that address instead of the 1B6DEA address. I understand it is a defined slope, I'm guessing similar to the LLY I am struggling to figure out if I have the right address or what is going on. I really appreciate all your help with this. I know you're a busy guy. Once I get this is figured out I will upload the .cax file here.

Attached Files

I think I might be getting somewhere. Not sure if what i have going on is correct or not. I feel like I have too many columns.

[Provider]

;-------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

;Key Value

;-------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Version 1.1.1.1

Date 2023.06.06

Name Test A

UniqueID Test_B

HelpFile

Description

Url

Contact

[Define]

;-------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

;Definition Value

;-------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

[Enum]

;-------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

;Enumeration Tag/Value List

;-------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

[Axis]

;-------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

;Axis Name Axis Labels

;-------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

[Data]

;-------------------------------------------------------------------------------- -------- -------- -------- ---------------- ---------------- ---- -------- ---- ---------------- ---------------- ---------------- ---------------- ---------------- ---------------- ---------------- ---------------- ----------------

;Cal_ID Address ColCount RowCount Factor Offset Inv Size Type DataOffset HardMin HardMax DataUnits ColUnits RowUnits Deposit Endian Align

;-------------------------------------------------------------------------------- -------- -------- -------- ---------------- ---------------- ---- -------- ---- ---------------- ---------------- ---------------- ---------------- ---------------- ---------------- ---------------- ---------------- ----------------

B3499 $1B6DEA . 32 0.1 . . 16 SNM . . . kPa kPa mV . . .

[Calibration]

;-------------------------------------------------------------------------------- --- -------------------------------- --------- -------- ---------------- ---------------- ---------------- ---------------- ---------- ----- ---------------- ---------------- ---------------- ---------------- ---------------- ----------------

;Cal_ID Seg Tree Flags Display SoftMin SoftMax Enum Options DataFmt DPrec ColFmt ColDesc ColLabels RowFmt RowDesc RowLabels

;-------------------------------------------------------------------------------- --- -------------------------------- --------- -------- ---------------- ---------------- ---------------- ---------------- ---------- ----- ---------------- ---------------- ---------------- ---------------- ---------------- ----------------

B3499 6 "Boost Control" . Curve 0 3276.7 . . . 2 . 'kPa . "'156.4,310.0,470,630,780,940,1090,1250,1410,1560,1720,1880,2030,2190,2340,2500,2660,2810,2970,3130,3280,3440,3590,3750,3910,4060,4220,4380,4530,4690,4840,5000"

[Description]

;-----------------------------------------------------------------------------------------------------------------------

;Description

;-----------------------------------------------------------------------------------------------------------------------

MAP Sensor Scaling

This is used for aftermarket Manifold Absolute Pressure sensors that have a

different range than the stock sensor. With the right sensor, it allows logging

higher boost values than the stock sensor could handle.

Attached Files

So I tried modeling the mV columns from the LLY and found that it has 33 columns so I added those columns into the .cax I am not sure if this is correct or not for the LBZ. It seems like it might work since I am now able to view the sensor to 366kpa or 53psi. However I'm not sure if what I am doing will work, if I do a vertical gradient the values look correct. I am unsure if this is the correct amount of columns for the LBZ or if there are less.

Attached Files

Good to see your getting some help. Were you able to test your Cax on the truck to see if it worked?

I have not yet tested it out. I am waiting to hear back from Nick to see if I am on the right track and if what I have going on will be compatible with the LBZ OS.

Guys

The .cax need only adjust the ramp slope (single value parameter), the min/max voltage (widen the limits), and the max value for MAP. There is no linearization table (33 row table etc). They've condensed the whole thing into a slope/intercept calc.

Does this help?

Nick

Thank you Nick for posting those addresses! Min and Max MAP Sensor Voltage limits are already mapped in the public release. I left them in case it may help someone in the future. Unfortunately these addresses will not work for THAHN's 12632483 OS LBZ. Although in this OS the MAP Sensor Linearization table now reads the 366kPa at 5V. Very Interesting

Calibration definition extension for Bosch EDC16 LBZ Duramax 12606128

==========================================================================================================================================================================================================

[C0001]

; Description

; ---------------------------------------------------------------------------------------------------------------------------------

DESC.001 = Manifold Air Pressure Sensor Linearization

;

; Seg Caption Major Minor Vis Dis 2D Grp

; --- ---------------------------------------- ---------------- ---------------- --- --- -- ---

VIEW = 2 "MAP Sensor Scaling" "Boost Sensor" "" 1 2 0 0

;

; Address(es) BitOff Bits Typ Inv

; -------------------------------- ------ ---- --- ---

ADDR = 1B6DEA 0 16 SNM 0

;

; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser

; -------- -------------- -------------- ---- -------------- -------------- -------------- --------------

SI_SLOT = kPa 0.1 0 2 0 3276.7 0 3276.7

;

; Body Col Row

; -------------- -------------- --------------

ULABELS = . . .

;

; Enumerations

; -------------------------------------------------------------------

SI_ENUM = .

IM_ENUM = .

;

; Units Labels

; ---------------- -----------------------------------------------------

SI_COL = "kPa"

IM_COL = . .

SI_ROW = "mV" "156.4,5000"

IM_ROW = . .

==========================================================================================================================================================================================================

[C0002]

; Description

; ---------------------------------------------------------------------------------------------------------------------------------

DESC.001 = SRC Min Detection for MAP Sensor

;

; Seg Caption Major Minor Vis Dis 2D Grp

; --- ---------------------------------------- ---------------- ---------------- --- --- -- ---

VIEW = 2 "MAP Sensor Lower Volt Limit" "Boost Sensor" "" 1 1 0 0

;

; Address(es) BitOff Bits Typ Inv

; -------------------------------- ------ ---- --- ---

ADDR = 1B6DE0 0 16 SNM 0

;

; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser

; -------- -------------- -------------- ---- -------------- -------------- -------------- --------------

SI_SLOT = mV 0.2 0 3 0 5000 0 5000

;

; Body Col Row

; -------------- -------------- --------------

ULABELS = . . .

;

; Enumerations

; -------------------------------------------------------------------

SI_ENUM = .

IM_ENUM = .

;

; Units Labels

; ---------------- -----------------------------------------------------

SI_COL = . .

IM_COL = . .

SI_ROW = . .

IM_ROW = . .

==========================================================================================================================================================================================================

[C0003]

; Description

; ---------------------------------------------------------------------------------------------------------------------------------

DESC.001 = SRC Max Detection for MAP Sensor

;

; Seg Caption Major Minor Vis Dis 2D Grp

; --- ---------------------------------------- ---------------- ---------------- --- --- -- ---

VIEW = 2 "MAP Sensor Upper Volt Limit" "Boost Sensor" "" 1 1 0 0

;

; Address(es) BitOff Bits Typ Inv

; -------------------------------- ------ ---- --- ---

ADDR = 1B6DE2 0 16 SNM 0

;

; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser

; -------- -------------- -------------- ---- -------------- -------------- -------------- --------------

SI_SLOT = mV 0.2 0 3 0 5000 0 5000

;

; Body Col Row

; -------------- -------------- --------------

ULABELS = . . .

;

; Enumerations

; -------------------------------------------------------------------

SI_ENUM = .

IM_ENUM = .

;

; Units Labels

; ---------------- -----------------------------------------------------

SI_COL = "mV"

IM_COL = . .

SI_ROW = . .

IM_ROW = . .

==========================================================================================================================================================================================================

[C0004]

; Description

; ---------------------------------------------------------------------------------------------------------------------------------

DESC.001 = Boost Gradient for Pressure Displayed

;

; Seg Caption Major Minor Vis Dis 2D Grp

; --- ---------------------------------------- ---------------- ---------------- --- --- -- ---

VIEW = 2 "MAP Sensor Ramp Slope 1" "Boost Sensor" "" 1 1 0 0

;

; Address(es) BitOff Bits Typ Inv

; -------------------------------- ------ ---- --- ---

ADDR = 1B6E64 0 32 SNM 0

;

; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser

; -------- -------------- -------------- ---- -------------- -------------- -------------- --------------

SI_SLOT = hPa/s 0.015258789062 0 4 0 5000 0 5000

;

; Body Col Row

; -------------- -------------- --------------

ULABELS = . . .

;

; Enumerations

; -------------------------------------------------------------------

SI_ENUM = .

IM_ENUM = .

;

; Units Labels

; ---------------- -----------------------------------------------------

SI_COL = . .

IM_COL = . .

SI_ROW = . .

IM_ROW = . .

==========================================================================================================================================================================================================

[C0005]

; Description

; ---------------------------------------------------------------------------------------------------------------------------------

DESC.001 = Boost Gradient for Pressure Displayed

;

; Seg Caption Major Minor Vis Dis 2D Grp

; --- ---------------------------------------- ---------------- ---------------- --- --- -- ---

VIEW = 2 "MAP Sensor Ramp Slope 2" "Boost Sensor" "" 1 1 0 0

;

; Address(es) BitOff Bits Typ Inv

; -------------------------------- ------ ---- --- ---

ADDR = 1B6E68 0 32 SNM 0

;

; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser

; -------- -------------- -------------- ---- -------------- -------------- -------------- --------------

SI_SLOT = PSI/s .00022124 0 4 0 5000 0 5000

;

; Body Col Row

; -------------- -------------- --------------

ULABELS = . . .

;

; Enumerations

; -------------------------------------------------------------------

SI_ENUM = .

IM_ENUM = .

;

; Units Labels

; ---------------- -----------------------------------------------------

SI_COL = . .

IM_COL = . .

SI_ROW = . .

IM_ROW = . .

==========================================================================================================================================================================================================

[C0006]

; Description

; ---------------------------------------------------------------------------------------------------------------------------------

DESC.001 = Maximum Value of Intake Manifold Pressure

;

; Seg Caption Major Minor Vis Dis 2D Grp

; --- ---------------------------------------- ---------------- ---------------- --- --- -- ---

VIEW = 2 "Max Boost Pressure" "Boost Sensor" "" 1 1 0 0

;

; Address(es) BitOff Bits Typ Inv

; -------------------------------- ------ ---- --- ---

ADDR = 1B94CC 0 8 SNM 0

;

; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser

; -------- -------------- -------------- ---- -------------- -------------- -------------- --------------

SI_SLOT = kPa 10 0 4 0 5000 0 1000

;

; Body Col Row

; -------------- -------------- --------------

ULABELS = . . .

;

; Enumerations

; -------------------------------------------------------------------

SI_ENUM = .

IM_ENUM = .

;

; Units Labels

; ---------------- -----------------------------------------------------

SI_COL = . .

IM_COL = . .

SI_ROW = . .

IM_ROW = . .

Is there a better way to post these CAX files? Attaching the file does not work.

FYI the Slope factor is the same if you keep hPa/s. In Nick’s screenshot one of the Ramp Slopes is converted to PSI/s. Not sure if my factor is entirely correct but it does add up.

Did a little hex string searching and came up with this. This should work on THAHN's or anybody elses 12632483 OS LBZ. I would test it myself but I dont have a LBZ to try it on.

Woody35 (EFILIVE) Ver 1.0

;Calibration definition extension for Bosch EDC16 LBZ Duramax 12632483

;==========================================================================================================================================================================================================

[B3499]

; Description

; ---------------------------------------------------------------------------------------------------------------------------------

DESC.001 = Manifold Air Pressure Sensor Linearization

;

; Seg Caption Major Minor Vis Dis 2D Grp

; --- ---------------------------------------- ---------------- ---------------- --- --- -- ---

VIEW = 2 "MAP Sensor Scaling" "Engine Sensors" "MAP Sensor" 1 2 0 0

;

; Address(es) BitOff Bits Typ Inv

; -------------------------------- ------ ---- --- ---

ADDR = 1B6DEE 0 16 SNM 0

;

; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser

; -------- -------------- -------------- ---- -------------- -------------- -------------- --------------

SI_SLOT = kPa 0.1 0 2 0 3276.7 0 3276.7

;

; Body Col Row

; -------------- -------------- --------------

ULABELS = . . .

;

; Enumerations

; -------------------------------------------------------------------

SI_ENUM = .

IM_ENUM = .

;

; Units Labels

; ---------------- -----------------------------------------------------

SI_COL = "kPa"

IM_COL = . .

SI_ROW = "mV" "156.4,5000"

IM_ROW = . .

=================================================================================================================================================================================================================================================================================================================================================================================================================

[B3500]

; Description

; ---------------------------------------------------------------------------------------------------------------------------------

DESC.001 = Boost Gradient for Pressure Displayed

;

; Seg Caption Major Minor Vis Dis 2D Grp

; --- ---------------------------------------- ---------------- ---------------- --- --- -- ---

VIEW = 2 "MAP Sensor Ramp Slope 1" "Engine Sensors" "MAP Sensor" 1 1 0 0

;

; Address(es) BitOff Bits Typ Inv

; -------------------------------- ------ ---- --- ---

ADDR = 1B6E68 0 32 SNM 0

;

; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser

; -------- -------------- -------------- ---- -------------- -------------- -------------- --------------

SI_SLOT = hPa/s 0.015258789062 0 4 0 5000 0 5000

;

; Body Col Row

; -------------- -------------- --------------

ULABELS = . . .

;

; Enumerations

; -------------------------------------------------------------------

SI_ENUM = .

IM_ENUM = .

;

; Units Labels

; ---------------- -----------------------------------------------------

SI_COL = . .

IM_COL = . .

SI_ROW = . .

IM_ROW = . .

==========================================================================================================================================================================================================

[B3501]

; Description

; ---------------------------------------------------------------------------------------------------------------------------------

DESC.001 = Boost Gradient for Pressure Displayed

;

; Seg Caption Major Minor Vis Dis 2D Grp

; --- ---------------------------------------- ---------------- ---------------- --- --- -- ---

VIEW = 2 "MAP Sensor Ramp Slope 2" "Engine Sensors" "MAP Sensor" 1 1 0 0

;

; Address(es) BitOff Bits Typ Inv

; -------------------------------- ------ ---- --- ---

ADDR = 1B6E6C 0 32 SNM 0

;

; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser

; -------- -------------- -------------- ---- -------------- -------------- -------------- --------------

SI_SLOT = PSI/s .00022124 0 4 0 5000 0 5000

;

; Body Col Row

; -------------- -------------- --------------

ULABELS = . . .

;

; Enumerations

; -------------------------------------------------------------------

SI_ENUM = .

IM_ENUM = .

;

; Units Labels

; ---------------- -----------------------------------------------------

SI_COL = . .

IM_COL = . .

SI_ROW = . .

IM_ROW = . .

==========================================================================================================================================================================================================

[B3502]

; Description

; ---------------------------------------------------------------------------------------------------------------------------------

DESC.001 = Maximum Value of Intake Manifold Pressure

;

; Seg Caption Major Minor Vis Dis 2D Grp

; --- ---------------------------------------- ---------------- ---------------- --- --- -- ---

VIEW = 2 "Max Boost Pressure" "Engine Sensors" "MAP Sensor" 1 1 0 0

;

; Address(es) BitOff Bits Typ Inv

; -------------------------------- ------ ---- --- ---

ADDR = 1B94CE 0 8 SNM 0

;

; Units Factor Offset Prec MinLimit MaxLimit MinUser MaxUser

; -------- -------------- -------------- ---- -------------- -------------- -------------- --------------

SI_SLOT = kPa 10 0 4 0 5000 0 1000

;

; Body Col Row

; -------------- -------------- --------------

ULABELS = . . .

;

; Enumerations

; -------------------------------------------------------------------

SI_ENUM = .

IM_ENUM = .

;

; Units Labels

; ---------------- -----------------------------------------------------

SI_COL = . .

IM_COL = . .

SI_ROW = . .

IM_ROW = . .

Woody,

This is awesome! Thank you very much for your help! I was able to put all the cax files in and i am able to view the map sensor the way it should be. Your work is appreciated! Now I'll have to get a sensor ordered up to try it out.

Tyler

Attached Files

Good to hear! Thank Nick for the addresses, I just did some grunt work. Report back to let us know if you had to adjust the Ramp Slope or if the Linearization table works.

Woody,

Yes it was definitely a team effort. Once I order the sensor and do some testing I will report back here with my results.

Tyler

Nice work fellas. The addresses Woody has in the .cax look good. Should do the trick!

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