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Thread: 16197427 PCM Information $0D

  1. #1
    RIP EagleMark's Avatar
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    16197427 PCM Information $0D

    16197427 PCM Information $0DThis PCM was used in 1994 - 1995 C/K Truck, Van, S-10, 4.3L, 5.7L & 7.4L

    The 16197427 came in many trucks and can run $31, $0D, $0E, $E6 mask.

    Click Here for thread on changing a 1227747 ECM to 16197427 PCM Pin by Pin!

    Click Here for long thread discussing the 7747 to 7427 swap!


    *Work in Progress*

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

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    TunerPro Definition files for 16197427 $0D

    TunerPro Definition files for 16197427 $0D Specail thanks to 93V8S10 for these files!

    Thanks to Fast 355 for the $0D 700R4 xdf!
    Fast 355 $0D 700r4 zip replaced with XDF as zip became corrupt. Downloaded 85 times.

    From 1project2many:
    Corrected Advanced $0D TP5 v251 Low Async Short BPW Offset vs. BPW table to correctly use Async Short BPW Offset Bias. New version uploaded as Advanced $0D TP5 v251.xdf .
    Attached Files Attached Files
    Last edited by 1project2many; 02-16-2013 at 06:26 PM.

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  3. #3
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    Bin Files for 16197427 $0D

    Bin Files for $0D 16197427 PCM. Right click save target as.

    These are known good, not superceeded by GM to a newer chip for issues. There are more and I will add whatever passes as known good to start with.
    Attached Files Attached Files

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  4. #4
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    Bin files for the 16197427 PCM

    More bins...
    Attached Files Attached Files

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  5. #5
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    16197427 Malfunction Error Codes

    These are general error codes for GM in 1995. All may not apply to 16197427 PCM

    11 Malfunction indicator lamp circuit voltage was wrong for 26 seconds.
    13 Oxygen sensor voltage stays between 0.35 and 0.55 volts for 60 seconds. Engine was at normal operating temperature and had been running for at least 2 minutes after start with a throttle angle above 5%.
    14 Coolant temperature sensor signal indicates a temperature of over 284° F.
    15 Coolant temperature sensor signal indicates a temperature colder than -40° F.
    16 A low resolution pulse was not detected by ECM within 720 high resolution timing pulses.
    18 Injector driver circuit voltage to PCM was wrong for 4 seconds.
    21 TPS voltage was above 2.5 volts for 3 seconds when the engine was running, or when the TPS was above 4.8 volts at any time.
    22 TPS voltage was under 0.23 volts when the engine was running.
    23 Inlet air temperature sensor signal showed an air temperature below -31° F for 60 seconds after the engine has been running for 4 minutes.
    24 Vehicle speed was 0 MPH when engine speed was between 900 and 3000 RPM and throttle position angle was less than 2% for 5 seconds.
    25 Inlet air temperature sensor signal showed an air temperature over 302° F for 12 seconds after the engine has been running for 4 minutes.
    26 ECM detected the wrong potential voltage at the #1 quad-driver module circuit for 20 seconds.
    27 ECM detected the wrong potential voltage at the #2 quad-driver module circuit for 3 seconds.
    28 ECM detected the wrong potential voltage at the #3 quad-driver module circuit for 3 seconds.
    29 Secondary air injection pump circuit voltage was wrong for 26 seconds.
    32 EGR open command did not change the fuel mixture when the command was given during off idle operation. EGR opening should cause the mixture to be slightly richer because of the low oxygen content of the exhaust gas.
    33 MAP sensor signal voltage was too high (low vacuum) for 1 second when throttle opening was under 20% and engine speed was above 1250 RPM.
    34 MAP sensor signal voltage was too low (high vacuum) when engine speed was under 700 RPM, or when TPS was greater than 20% with an engine speed above 700 RPM.
    36 ECM detected less than 40 high resolution timing pulses between each low resolution pulse for 5 consecutive cycles.
    41 EST circuit voltage was above 4.6 volts when engine speed was under 1500 RPM.
    42 PCM did not detect any EST signal within 84 crankshaft revolutions.
    43 One or both of the knock sensors were either open or grounded for 5 seconds.
    44 Left oxygen sensor voltage was under 0.2 volts for 50 seconds of closed loop operation.
    45 Left oxygen sensor voltage was over 0.7 volts for 50 seconds when the throttle angle was above 4% during closed loop operation.
    47 Knock sensor signal was not present.
    48 There was no MAF signal when engine was on.
    50 PCM detected an ignition voltage of less than 8.0 volts.
    51 PROM error.
    52 Engine oil temperature was below -31° F after engine had been running for 30 minutes.
    53 ECM detected a battery voltage above 17.1 volts.
    55 ECM detected a lean oxygen sensor voltage for 8 seconds during the power enrichment modes of operation.
    62 Engine oil temperature sensor indicated an oil temperature above 284° F after engine had been running for 30 minutes.
    63 Right oxygen sensor was open showing a steady voltage between 0.35 and 0.55 volts for 60 seconds after the engine had been running for at least 2 minutes with a throttle angle above 5%.
    64 Right oxygen sensor voltage was below 0.2 volts for 50 seconds of closed loop operation.
    65 Right oxygen sensor voltage was above 0.7 volts for 50 seconds of closed loop operation when the throttle angle was above 4%.
    66 A/C pressure sensor circuit was either open or shorted showing a voltage below 0.12 volts or above 4.86 volts for 10 seconds.
    67 ECM did not detect an A/C system pressure change of more than 9 psi when A/C clutch was engaged.
    68 ECM detects voltage on the A/C status line for more than 20 seconds after ECM has disengaged the A/C relay.
    69 ECM did not detect any voltage on A/C status line for 20 seconds after ECM had commanded A/C ON.
    70 A/C clutch relay circuit showed incorrect potential voltage at PCM for 26 seconds.
    72 Transmission output speed changed more than 1000 RPM for 2 seconds when vehicle was in gear, or transmission output speed changed more than 2048 RPM when vehicle was in park or neutral.
    73 Pressure control solenoid return amperage was more than 0.16 amp different than the commanded amperage for 1 second.
    74 Traction control system active signal input was 0 volts for more than 2 seconds when vehicle was in park or neutral.
    75 Ignition voltage was less than set value for 4 seconds when engine speed was above 1000 RPM.
    77 Cooling fan relay #1 control potential voltage at PCM was incorrect for 26 seconds.
    78 Cooling fan relay #2 and #3 control potential voltage at PCM was incorrect for 26 seconds.
    79 Transmission fluid temperature signal indicated a temperature higher than 295° F for 30 minutes, or higher than 306° F at any time.
    81 Transmission 2-3 shift solenoid voltage stayed high for 2 seconds after commanded ON by PCM, or the voltage stayed at zero for 2 seconds after commanded OFF by PCM.
    82 Transmission 1-2 shift solenoid voltage stayed high for 2 seconds after commanded ON by PCM, or the voltage stayed at zero for 2 seconds after commanded OFF by PCM.
    83 TCC PWM solenoid voltage stayed high for 2 seconds after commanded ON by PCM, or the voltage stayed at zero for 2 seconds after commanded OFF by PCM.
    84 Transmission 3-2 shift solenoid voltage stayed high for 5 seconds after commanded ON by PCM, or the voltage stayed at zero for 5 seconds after commanded OFF by PCM.
    85 TCC solenoid remained ON for 4 seconds after commanded OFF by PCM 90 TCC solenoid voltage stayed high for 2 seconds after commanded ON by PCM, or the voltage stayed at zero for 2 seconds after commanded OFF by PCM.
    91 One to Four up-shift lamp control signal showed incorrect potential voltage at PCM for 26 seconds.
    97 VSS output signal showed incorrect potential voltage at PCM for 26 seconds.
    98 Tach output signal showed incorrect potential voltage at PCM for 26 seconds.

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  6. #6
    Super Moderator Six_Shooter's Avatar
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    Attached is a ZIP file that has information on using the 16197427 in MPFI (MultiPort Fuel Injection) mode.

    This was put together by 93V8S10.
    Attached Files Attached Files
    The man who says something is impossible, is usually interrupted by the man doing it.

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    Tuning VE tables with BLM History $OD 16197427

    Dave W from Old School EFI has made a spreadsheet to help get fueling correct when tuning an engine. You enter your current VE table, your recorded BLM from BLM historygram setup in TunerPro Definitions above and it gives you the new VE table for your bin.

    http://www.gearhead-efi.com/Fuel-Inj...r-Spread-Sheet

    Works for a variety of different masks. $42, $E6, $0E, $0D, $31
    Attached Files Attached Files

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  8. #8
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    $0D fan controls

    93V8S10 has once again improved the work in $0D with new fan controls. Link to thread and Zip package below:

    http://www.gearhead-efi.com/Fuel-Inj...D-efan-control
    Attached Files Attached Files

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  9. #9
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    $0D disassembly, hacks and disassembled

    $0D hacks and disassembly disassembled code. Special Thanks to Dimented24x7 and TGO are noted in $0D hack.
    Attached Files Attached Files

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  10. #10
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    93V8S10 has once again improved the work in $OD with Understanding PE Delay. Link to thread and Zip package below:

    http://www.gearhead-efi.com/Fuel-Inj...PE-not-working
    Attached Files Attached Files

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  11. #11
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    16197427 Wiring Diagrams

    16197427 Wiring Diagrams
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    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  12. #12
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    16197427 $0D MAF, MAT, CPI, PFI, ADX etc...

    16197427 $0D MAF, MAT, CPI, PFI, ADX etc... Just lots of $0D stuff!
    Attached Files Attached Files

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  13. #13
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    Dual vs single knock sensors:

    V8 apps use single sensor. 4.3 V6 uses dual sensors wired in parallel. Code 43 will set if voltage on KS line is incorrect. Dual sensors can be used on V8 or single on V6 by changing max voltage parameter to set code 43.

    Single Sensor
    ; ERROR 43
    ; KNOCK SYSTEM FAIL
    ;---------------------
    L4E6A: FCB $A0 160 ; 16 SEC'S. HI VOLTS CK PERIOD
    L4E6B FCB $E6 230 ; 4.5 VDC A/D UPPER VOLTS LMT
    L4E6C FCB $14 20 ; 0.390 VDC A/D LOWER VOLT LMT

    Dual sensors:

    L4E6A: FCB $A0 160 ; 16 SEC'S. HI VOLTS CK PERIOD
    L4E6B FCB $A2 162 ; 3.17 VDC A/D UPPER VOLTS LMT
    L4E6C FCB $14 20 ; 0.390 VDC A/D LOWER VOLT LMT
    Last edited by 1project2many; 08-16-2012 at 06:58 AM.

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