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Northstar Engines and System Technical Discussion Discussion, Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade in Cadillac Engine Technical Discussion; This is some of the information on the parameters that I have been told that are tunable on the 96 ...
  1. #16
    AJxtcman's Avatar
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    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade

    This is some of the information on the parameters that I have been told that are tunable on the 96 to 99 Northstar's, but this came from a 3rd party

    ECM Switch Parameters
    VATS Option (X = Enabled)

    ECM Constants
    Low Fan On Coolant Temp.
    Low Fan Off Coolant Temp.
    High Fan On Coolant Temp.
    High Fan Off Coolant Temp.
    Min. Low Fan On Time
    Warm Start Spark Adv. Enable Cool Temp
    Fuel Cutoff RPM
    Fuel Resume RPM
    Fuel Cutoff Vehicle Speed
    Fuel Resume RPM After MPH Cutoff
    MAT Spark Comp. Enable Throttle Angle
    Altitude Spark Enable Baro Threshold
    EGR Spark Ramp-in Delay
    EGR Spark Ramp-out Delay
    EGR Spark Ramp-in Update Period
    EGR Spark Ramp-Out Update Period
    Heavy Load Spark Retard Enable MAP
    Base Pulse Constant
    Stoichiometric AFR
    Power Enrich. Enable RPM
    Low Throttle Angle P.E. Disable RPM
    Low Throttle Angle P.E. Enable RPM
    Low Throttle Angle P.E. Enable Throt.
    Sync. A.E. Enable Delta MAP Threshold
    Sync. A.E. Disable Delta MAP Threshold
    Time-out AFR Decay Multiplier
    Warm Start AFR Baro High/Low Threshold
    Key-on Prime Pulse Disable Cool. Temp.
    Maximum Allowable Open Loop AFR
    Engine Cooling Enrich Enable Cool Temp.
    Engine Cooling Enrichment Factor
    Block Learn Low MAP Enable Threshold
    Block Learn High MAP Disable Threshold
    Block Learn Low RPM Enable Threshold
    Block Learn High RPM Disable Threshold
    BLM Step Size
    BLM MAP Boundary Hysteresis
    BLM RPM Boundary Hysteresis
    Minimum Closed Loop BLM
    Minimum Open Loop BLM
    Minimum BLM - Partial CCP
    Maximum Closed Loop BLM
    Maximum Open Loop BLM
    Decel Enlean Enable Vehicle Speed
    Decel Enlean Disable Vehicle Speed
    Decel Enlean Disable RPM
    DFCO Enable Delay - High MPH
    DFCO Enable RPM Threshold
    DFCO Disable RPM Threshold
    DFCO Disable MAP Threshold
    DFCO High/Low Vehicle Speed Threshold
    CCP Enable Coolant Temp.
    CCP Enable Vehicle Speed
    EGR Disable Low RPM Threshold
    EGR Enable Low RPM Threshold
    EGR Disable High RPM Threshold
    EGR Enable High RPM Threshold
    EGR Disable High MAP Threshold
    EGR Enable High MAP Threshold
    Baro Update Enable Throttle Angle
    Part Throttle Baro Update Enable T. A.
    Speed Pulses Per Mile
    1 -> 2 Shift RPM
    2 -> 3 Shift RPM
    3 -> 4 Shift RPM

    Tables
    ECM Switch Table
    ECM Constant Table
    Main Spark Advance Vs. RPM Vs. MAP - EGR Off
    Main Spark Advance Vs. RPM Vs. MAP - EGR On
    Warm Start Spark Advance Vs. RPM
    Warm Start Spark Altitude Multiplier Vs. Baro
    Coolant Temp Spark Compensation Vs, Cool. Temp.
    Cool Temp Spark Comp. Vs, Cool. Temp. at Idle
    MAT Spark Advance Correction Factor Vs. MAT
    MAT Spark Advance Compensation Vs. MAT at Idle
    Altitude Spark Retard Vs. RPM - EGR Off
    Alt. Spark Retard Multiplier Vs. Baro - EGR Off
    Altitude Spark Advance Vs. RPM Vs. MAP - EGR On
    Alt. Spark Retard Multiplier Vs. Baro - EGR On
    Maximum Idle Spark Advance Vs. Baro - In P/N
    Maximum Idle Spark Advance Vs. Baro - In Drive
    Idle Under-speed Spark Vs. RPM Error - In Drive
    Idle Under-speed Spark Vs. RPM Error - In P/N
    Idle Over-speed Spark Vs. RPM Error - In Drive
    Idle Over-speed Spark Vs. RPM Error - In P/N
    Heavy Load Spark Retard Vs. RPM
    Heavy Load Spark Retard Factor Vs. MAT- Low Gears
    Heavy Load Spark Retard Factor Vs. MAT- High Gear
    Base Pulse Compensation Vs. MAT
    Volumetric Efficiency Vs. RPM Vs. MAP
    EGR V.E. Correction Vs. RPM Vs. MAP
    P. E. Enable Throttle Angle Vs. Baro Vs. MPH
    Minimum P.E. AFR Vs. Coolant Temp.
    Sync. A.E. Pulse Width Vs. MAP
    Sync. A.E. MAT Correction Vs. MAT
    Sync. A.E. Time-out Multiplier Vs. Coolant Temp.
    Sync. A.E. Time-out Mult. Decay Step Vs. Cool Temp
    Altitude Fuel Compensation at Idle Vs. Baro
    BLM RPM Cell Boundaries
    BLM MAP Cell Boundaries
    Unfiltered O2 Rich Threshold Vs. MAP
    Unfiltered O2 Lean Threshold Vs. MAP
    Filtered O2 Rich Threshold Vs. MAP
    Filtered O2 Lean Threshold Vs. MAP
    Decel Enlean Delta MAP Multiplier Vs. Delta Map
    D.E. Delta Throttle Angle Mult. Vs. Delta T. A.
    P.W. Decel Enlean Multiplier Vs. Time in D.E.
    Decel. Enlean Coolant Comp. Factor Vs. Cool. Temp.
    Injector Offset Vs. Battery Voltage
    Crank AFR Vs. Coolant Temp.
    Initial Time-out AFR Vs. Coolant Temp.
    Time-out AFR Decay Delay Vs. Coolant Temp.
    Hot/Cold Start AFR Vs. Coolant Temp.
    Time-out AFR Decay Step Period Vs. Coolant Temp.
    Warm Start AFR Vs. Coolant Temp.
    Hot/Cold Start AFR Correction Vs. MAP
    Warm Start AFR Correction Vs. MAP - High Baro
    Warm Start AFR Correction Vs. MAP - Low Baro
    Cold Prime Pulse Width Vs. Cool. Temp.
    Hot Prime Pulse Width Vs. Cool. Temp.
    DFCO Enable Delay Vs. RPM - Low MPH
    Desired Idle Speed Vs. Cool. Temp. - in P/N
    Desired Idle Speed Vs. Cool. Temp. - in Gear
    Minimum Desired RPM Vs Vehicle Speed
    Desired Idle RPM Altitude Multiplier Vs Baro
    Maximum Idle RPM Limit Vs. Coolant Temp.
    P/N -> Gear Anticip. Extend Comp. Vs. Trans. Temp.
    Gear -> P/N Anticip. Retract Comp. Vs Trans. Temp.
    TCC Apply MPH Vs. Throttlle Angle - 3rd Gear
    TCC Release MPH Vs. Throttlle Angle - 3rd Gear
    TCC Apply MPH Vs. Throttlle Angle - 4th Gear
    TCC Release MPH Vs. Throttlle Angle - 4th Gear
    1->2 Normal Shift Vehicle Speed Vs. Throttle Angle
    2->1 Normal Shift Vehicle Speed Vs. Throttle Angle
    1->2 Hot Shift Vehicle Speed Vs. Throttle Angle
    2->1 Hot Shift Vehicle Speed Vs. Throttle Angle
    1->2 Shift Speed Correction Vs. Cool. Temp.
    1->2 Shift Speed Alt. Offset Vs. Throttle Angle
    1->2 Shift Speed Alt. Offset Correction Vs. Baro
    1->2 Shift RPM Correction Vs. Coolant Temp.
    2->3 Normal Shift Vehicle Speed Vs. Throttle Angle
    3->2 Normal Shift Vehicle Speed Vs. Throttle Angle
    2->3 Hot Shift Vehicle Speed Vs. Throttle Angle
    3->2 Hot Shift Vehicle Speed Vs. Throttle Angle
    2->3 Shift Speed Correction Vs. Cool. Temp.
    2->3 Shift Speed Alt. Offset Vs. Throttle Angle
    2->3 Shift Speed Alt. Offset Correction Vs. Baro
    2->3 Shift RPM Correction Vs. Coolant Temp.
    3->4 Normal Shift Vehicle Speed Vs. Throttle Angle
    4->3 Normal Shift Vehicle Speed Vs. Throttle Angle
    4->3 Hot Shift Vehicle Speed Vs. Throttle Angle
    3->4 Hot Shift Vehicle Speed Vs. Throttle Angle
    3->4 Shift Speed Alt. Offset Vs. Throttle Angle
    3->4 Shift Speed Alt. Offset Correction Vs. Baro

  2. #17
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade

    old Navy axiom: "If you can't fill 'em with facts, baffle 'em with bullcrap".

  3. #18
    AJxtcman's Avatar
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    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade

    Quote Originally Posted by submariner409 View Post
    old Navy axiom: "If you can't fill 'em with facts, baffle 'em with bullcrap".
    I will change the speed limiter, Spark Tables and recurve the MAF x-fer if needed on an of the 2000 to 2003 that I have tuned before.

  4. #19
    AJxtcman's Avatar
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    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade

    I will post a picture of any adjustment I make and even a comparison of the before and after ADJUSTMENTS

    The pictures will be of the 3D tables.

    I can do the injector scalling also.

    I can only properly about 10 parameters.

  5. #20
    codewize's Avatar
    codewize is offline Cadillac Owners Master
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    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade

    AJ, send me your address again and I'll send you the last PCM you did for me. If you like you can re-tune it, tell me what to expect and I'll take for a spin.

    OK?
    Ownership:
    91 Brougham d'Elegance 350
    02 Deville DTS
    01 Deville DTS:
    Custom installed Volant CAI
    Custom PCM
    Body color engine components
    Cruiser Alloy wheels
    EBC brakes and rotors
    Eibach springs
    Corsa exhaust
    Sportwing Spoiler
    Semi-custom interior
    Custom quad Hi-Beams
    Future Plans: More interior work.


    Memberships:
    National and regional Cadillac & LaSalle Club
    Proud Volunteer - Northstar Tuning Project
    Guinness World Records - Largest Cadillac Parade

    ----------------------------

  6. #21
    AJxtcman's Avatar
    AJxtcman is offline Cadillac Owners Connoisseur
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    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade


  7. #22
    miwise is offline Cadillac Owners Fanatic
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    Hey. How much would u charge to revin a PCM and remove speed limits? U can pm me if u want. I'm wanting to put a 2002 Sts powertrain in my 99.

  8. #23
    AJxtcman's Avatar
    AJxtcman is offline Cadillac Owners Connoisseur
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    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade

    Edwin & Codewize your PCM's will go out in a few days and as I promised I will post the changes I made.

  9. #24
    ejguillot's Avatar
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    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade

    Thanks AJ!

  10. #25
    codewize's Avatar
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    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade

    Thanks AJ. Please tell us what to expect from the changes. Sorry, I haven't been on in a few days.
    Ownership:
    91 Brougham d'Elegance 350
    02 Deville DTS
    01 Deville DTS:
    Custom installed Volant CAI
    Custom PCM
    Body color engine components
    Cruiser Alloy wheels
    EBC brakes and rotors
    Eibach springs
    Corsa exhaust
    Sportwing Spoiler
    Semi-custom interior
    Custom quad Hi-Beams
    Future Plans: More interior work.


    Memberships:
    National and regional Cadillac & LaSalle Club
    Proud Volunteer - Northstar Tuning Project
    Guinness World Records - Largest Cadillac Parade

    ----------------------------

  11. #26
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    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade

    I am having issue programming these now. I can't remember how I was doing it. I got the custom tunes in the PCM's, but now I have P0601 DTC's. I think I need to pull the chips and program them off the board. We do it all the time on LS1 PCM that are locked.
    Sorry about the delay

  12. #27
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade

    For the 2000 - 2003 PCM's, don't you mean "unsolder the chip(s)" and program........... Aren't this series of IC's hard soldered to the boards ?

  13. #28
    codewize's Avatar
    codewize is offline Cadillac Owners Master
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    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade

    That's not how they were being done.
    Ownership:
    91 Brougham d'Elegance 350
    02 Deville DTS
    01 Deville DTS:
    Custom installed Volant CAI
    Custom PCM
    Body color engine components
    Cruiser Alloy wheels
    EBC brakes and rotors
    Eibach springs
    Corsa exhaust
    Sportwing Spoiler
    Semi-custom interior
    Custom quad Hi-Beams
    Future Plans: More interior work.


    Memberships:
    National and regional Cadillac & LaSalle Club
    Proud Volunteer - Northstar Tuning Project
    Guinness World Records - Largest Cadillac Parade

    ----------------------------

  14. #29
    codewize's Avatar
    codewize is offline Cadillac Owners Master
    Automobile(s): 1991 Brougham d'Elegance / 2001 DTS / 2002 DTS
    Join Date
    Apr 2005
    Location
    Upstate NY
    Posts
    6,674

    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade

    And the verdict is ?
    Ownership:
    91 Brougham d'Elegance 350
    02 Deville DTS
    01 Deville DTS:
    Custom installed Volant CAI
    Custom PCM
    Body color engine components
    Cruiser Alloy wheels
    EBC brakes and rotors
    Eibach springs
    Corsa exhaust
    Sportwing Spoiler
    Semi-custom interior
    Custom quad Hi-Beams
    Future Plans: More interior work.


    Memberships:
    National and regional Cadillac & LaSalle Club
    Proud Volunteer - Northstar Tuning Project
    Guinness World Records - Largest Cadillac Parade

    ----------------------------

  15. #30
    Join Date
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    Re: Any Previously tuned 2000 to 2003 PCM have lifetime tune upgrade

    A.J. will be in contact shortly to give you an update.

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