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  1. #1
    3.4L to LT1 Swapper


    Status
    Offline
    Join Date
    Oct 2008
    Name
    Brian Meissen
    Vehicle
    1994 Camaro "Red Alert"; 2022 Camaro LT1 RS
    Location
    New Haven, MI
    Posts
    2,851

    Default OBD1 DTC Database

    I'm always referencing my service manual to help people out in the threads so I figured instead of always having to say "Wait until I get home so I can pull that up..." I'd take a picture of every since DTC summary and troubleshooting chart from my 1995 OEM Service Manual.

    I've included a list of what each OBD1 DTC code means courtesy of Injuneer.com and then below is each of my pictures of the DTC codes. Took me about 2 hours of going through and taking each picture, rotating them, downsizing, uploading... If it helps someone, then it's time well spent IMO!

    Courtesy of Injuneer.com:
    11 - SES lamp circuit
    13 - Bank 1 (left) O2 sensor, open circuit
    14 - Coolant temp sensor, signal voltage low, high temperature
    15 - Coolant temp sensor, signal voltage high, low temperature
    16 - OptiSpark low resolution pulse not found
    18 - Injector circuits
    21 - TPS voltage high
    22 - TPS voltage low
    23 - IAT sensor, signal voltage high, low temperature
    24 - VSS circuit
    25 - IAT sensor, signal voltage low, high temperature
    26 - Evaporative emissions canister purge solenoid circuit
    27 - EGR solenoid circuit
    28 - Transmission range pressure switch fault
    29 - AIR pump circuit
    32 - EGR recirculation
    33 - MAP sensor, signal voltage high, low vacuum
    34 - MAP sensor, signal voltage low, high vacuum
    36 - OptiSpark high resolution signal faulty
    37 - Brake switch stuck "on"
    38 - Brake switch stuck "off"
    41 - Ignition control circuit, open
    42 - Ignition control circuit, short or grounded
    43 - Knock sensor circuit
    44 - Bank 1 (left) O2 sensor, lean
    45 - Bank 1 (left) O2 sensor, rich
    46 - PASS-Key II circuit
    47 - Knock sensor module circuit, or module missing
    48 - MAF sensor circuit
    51 - EEPROM program error
    53 - System voltage high
    55 - Fuel lean monitor
    58 - Transmission fluid temp circuit, voltage low, high temperature
    59 - Transmission fluid temp circuit, voltage high, low temperature
    61 - A/C system performance
    63 - Bank 2 (right) O2 sensor, open circuit
    64 - Bank 2 (right) O2 sensor, lean
    65 - Bank 2 (right) O2 sensor, rich
    66 - A/C refrigerant pressure sensor circuit, open or shorted
    67 - A/C refrigerant pressure sensor circuit, pressure sensor or clutch problem
    68 - A/C relay circuit, shorted
    69 - A/C clutch circuit
    70 - A/C clutch relay driver
    71 - A/C evaporator temp sensor circuit
    72 - VSS loss
    73 - Pressure control solenoid circuit, current error
    74 - TCS circuit low
    75 - Transmission system voltage low
    77 - Cooling fan relay control circuit
    79 - Transmission fluid overtemp
    80 - Transmission component slipping
    81 - Transmission 2-3 shift solenoid circuit
    82 - Transmission 1-2 shift solenoid circuit
    83 - (M6) Reverse inhibit system
    84 - (A4) Transmission 3-2 control solenoid circuit
    84 - (M6) Skip shift solenoid circuit
    85 - Transmission TCC stuck "on"
    90 -Transmission TCC solenoid circuit
    91 - Skip shift lamp circuit
    97 - VSS output circuit
    Format:
    DTC ##.jpg = DTC Summary
    DTC ##_2.jpg = DTC Troubleshooting Chart

    If there is a "_A" then it's specific to automatics. If there is a "_M" then it's specific to manuals.

    http://www.mifbody.com/DTCs/DTC 11.jpg
    http://www.mifbody.com/DTCs/DTC 11_2.jpg
    http://www.mifbody.com/DTCs/DTC 13.jpg
    http://www.mifbody.com/DTCs/DTC 13_2.jpg
    http://www.mifbody.com/DTCs/DTC 14.jpg
    http://www.mifbody.com/DTCs/DTC 14_2.jpg
    http://www.mifbody.com/DTCs/DTC 15.jpg
    http://www.mifbody.com/DTCs/DTC 15_2.jpg
    http://www.mifbody.com/DTCs/DTC 16.jpg
    http://www.mifbody.com/DTCs/DTC 16_2.jpg
    http://www.mifbody.com/DTCs/DTC 18.jpg
    http://www.mifbody.com/DTCs/DTC 18_2.jpg
    http://www.mifbody.com/DTCs/DTC 21.jpg
    http://www.mifbody.com/DTCs/DTC 21_2.jpg
    http://www.mifbody.com/DTCs/DTC 22.jpg
    http://www.mifbody.com/DTCs/DTC 22_2.jpg
    http://www.mifbody.com/DTCs/DTC 23.jpg
    http://www.mifbody.com/DTCs/DTC 23_2.jpg
    http://www.mifbody.com/DTCs/DTC 24.jpg
    http://www.mifbody.com/DTCs/DTC 24_2.jpg
    http://www.mifbody.com/DTCs/DTC 25.jpg
    http://www.mifbody.com/DTCs/DTC 25_2.jpg
    http://www.mifbody.com/DTCs/DTC 26.jpg
    http://www.mifbody.com/DTCs/DTC 26_2.jpg
    http://www.mifbody.com/DTCs/DTC 27.jpg
    http://www.mifbody.com/DTCs/DTC 27_2.jpg
    http://www.mifbody.com/DTCs/DTC 28.jpg
    http://www.mifbody.com/DTCs/DTC 28_2.jpg
    http://www.mifbody.com/DTCs/DTC 29.jpg
    http://www.mifbody.com/DTCs/DTC 29_2.jpg
    http://www.mifbody.com/DTCs/DTC 32a.jpg
    http://www.mifbody.com/DTCs/DTC 32b.jpg
    http://www.mifbody.com/DTCs/DTC 32_2a.jpg
    http://www.mifbody.com/DTCs/DTC 32_2b.jpg
    http://www.mifbody.com/DTCs/DTC 33.jpg
    http://www.mifbody.com/DTCs/DTC 33_2.jpg
    http://www.mifbody.com/DTCs/DTC 34.jpg
    http://www.mifbody.com/DTCs/DTC 34_2.jpg
    http://www.mifbody.com/DTCs/DTC 36.jpg
    http://www.mifbody.com/DTCs/DTC 36_2.jpg
    http://www.mifbody.com/DTCs/DTC 37.jpg
    http://www.mifbody.com/DTCs/DTC 37_2.jpg
    http://www.mifbody.com/DTCs/DTC 38.jpg
    http://www.mifbody.com/DTCs/DTC 38_2.jpg
    http://www.mifbody.com/DTCs/DTC 41.jpg
    http://www.mifbody.com/DTCs/DTC 41_2.jpg
    http://www.mifbody.com/DTCs/DTC 42.jpg
    http://www.mifbody.com/DTCs/DTC 42_2.jpg
    http://www.mifbody.com/DTCs/DTC 43.jpg
    http://www.mifbody.com/DTCs/DTC 43_2.jpg
    http://www.mifbody.com/DTCs/DTC 44.jpg
    http://www.mifbody.com/DTCs/DTC 44_2.jpg
    http://www.mifbody.com/DTCs/DTC 45.jpg
    http://www.mifbody.com/DTCs/DTC 45_2.jpg
    http://www.mifbody.com/DTCs/DTC 46.jpg
    http://www.mifbody.com/DTCs/DTC 46_2.jpg
    http://www.mifbody.com/DTCs/DTC 47.jpg
    http://www.mifbody.com/DTCs/DTC 47_2.jpg
    http://www.mifbody.com/DTCs/DTC 48.jpg
    http://www.mifbody.com/DTCs/DTC 48_2.jpg
    http://www.mifbody.com/DTCs/DTC 50.jpg
    http://www.mifbody.com/DTCs/DTC 50_2.jpg
    http://www.mifbody.com/DTCs/DTC 51.jpg
    http://www.mifbody.com/DTCs/DTC 53.jpg
    http://www.mifbody.com/DTCs/DTC 53_2.jpg
    http://www.mifbody.com/DTCs/DTC 55.jpg
    http://www.mifbody.com/DTCs/DTC 55_2.jpg
    http://www.mifbody.com/DTCs/DTC 58.jpg
    http://www.mifbody.com/DTCs/DTC 58_2.jpg
    http://www.mifbody.com/DTCs/DTC 59.jpg
    http://www.mifbody.com/DTCs/DTC 59_2.jpg
    http://www.mifbody.com/DTCs/DTC 61.jpg
    http://www.mifbody.com/DTCs/DTC 61_2.jpg
    http://www.mifbody.com/DTCs/DTC 63.jpg
    http://www.mifbody.com/DTCs/DTC 63_2.jpg
    http://www.mifbody.com/DTCs/DTC 64.jpg
    http://www.mifbody.com/DTCs/DTC 64_2.jpg
    http://www.mifbody.com/DTCs/DTC 65.jpg
    http://www.mifbody.com/DTCs/DTC 65_2.jpg
    http://www.mifbody.com/DTCs/DTC 66.jpg
    http://www.mifbody.com/DTCs/DTC 66_2.jpg
    http://www.mifbody.com/DTCs/DTC 67.jpg
    http://www.mifbody.com/DTCs/DTC 67_2.jpg
    http://www.mifbody.com/DTCs/DTC 68.jpg
    http://www.mifbody.com/DTCs/DTC 68_2.jpg
    http://www.mifbody.com/DTCs/DTC 69.jpg
    http://www.mifbody.com/DTCs/DTC 69_2.jpg
    http://www.mifbody.com/DTCs/DTC 70.jpg
    http://www.mifbody.com/DTCs/DTC 70_2.jpg
    http://www.mifbody.com/DTCs/DTC 71.jpg
    http://www.mifbody.com/DTCs/DTC 71_2.jpg
    http://www.mifbody.com/DTCs/DTC 72_A.jpg
    http://www.mifbody.com/DTCs/DTC 72_2_A.jpg
    http://www.mifbody.com/DTCs/DTC 73.jpg
    http://www.mifbody.com/DTCs/DTC 73_2.jpg
    http://www.mifbody.com/DTCs/DTC 74.jpg
    http://www.mifbody.com/DTCs/DTC 74_2.jpg
    http://www.mifbody.com/DTCs/DTC 75.jpg
    http://www.mifbody.com/DTCs/DTC 75_2.jpg
    http://www.mifbody.com/DTCs/DTC 77.jpg
    http://www.mifbody.com/DTCs/DTC 77_2.jpg
    http://www.mifbody.com/DTCs/DTC 79.jpg
    http://www.mifbody.com/DTCs/DTC 79_2.jpg
    http://www.mifbody.com/DTCs/DTC 81.jpg
    http://www.mifbody.com/DTCs/DTC 81_2.jpg
    http://www.mifbody.com/DTCs/DTC 82.jpg
    http://www.mifbody.com/DTCs/DTC 82_2.jpg
    http://www.mifbody.com/DTCs/DTC 83_A.jpg
    http://www.mifbody.com/DTCs/DTC 83_2_A.jpg
    http://www.mifbody.com/DTCs/DTC 83_M.jpg
    http://www.mifbody.com/DTCs/DTC 83_2_M.jpg
    http://www.mifbody.com/DTCs/DTC 84_A.jpg
    http://www.mifbody.com/DTCs/DTC 84_2_A.jpg
    http://www.mifbody.com/DTCs/DTC 84_M.jpg
    http://www.mifbody.com/DTCs/DTC 84_2_M.jpg
    http://www.mifbody.com/DTCs/DTC 85.jpg
    http://www.mifbody.com/DTCs/DTC 85_2.jpg
    http://www.mifbody.com/DTCs/DTC 90.jpg
    http://www.mifbody.com/DTCs/DTC 90_2.jpg
    http://www.mifbody.com/DTCs/DTC 91.jpg
    http://www.mifbody.com/DTCs/DTC 91_2.jpg
    http://www.mifbody.com/DTCs/DTC 97.jpg
    http://www.mifbody.com/DTCs/DTC 97_2.jpg
    http://www.mifbody.com/DTCs/DTC 99.jpg
    http://www.mifbody.com/DTCs/DTC 99_2.jpg

    - Brian Meissen -
    "Magic Man" - LTxTech
    Owner - Michigan FBody Association

    1994 Chevrolet Camaro "Red Alert" [ LT1 Transplant ]
    2022 Chevrolet Camaro LT1 RS "Cherry Bomb 6.2"

  2. The Following 2 Users Say Thank You to meissen For This Post:


  3. #2

    Default

    That's nice man. I've been thinking about making a web page that will let you search DTC's, display info and pics and also allow comments. This definitely helps.

  4. The Following User Says Thank You to Formula383 For This Post:


  5. #3
    3.4L to LT1 Swapper


    Status
    Offline
    Join Date
    Oct 2008
    Name
    Brian Meissen
    Vehicle
    1994 Camaro "Red Alert"; 2022 Camaro LT1 RS
    Location
    New Haven, MI
    Posts
    2,851

    Default

    Figured its been awhile since this has been to the top.

    - Brian Meissen -
    "Magic Man" - LTxTech
    Owner - Michigan FBody Association

    1994 Chevrolet Camaro "Red Alert" [ LT1 Transplant ]
    2022 Chevrolet Camaro LT1 RS "Cherry Bomb 6.2"

  6. #4
    10 Second N/A Club


    Status
    Offline
    Join Date
    Sep 2008
    Name
    Josh
    Vehicle
    96 Z28
    Location
    Holden, MO (KC)
    Posts
    2,867

    Default

    Stickey material thanks!!
    -Josh
    co-owner of BDBRacing.com
    NMCA OC 9004
    96, N/A 385, Holley EFI, Faceplated M6, AI TFS heads, LE SR cam, MWC Fab 9
    10.16 @ 136 1.50 60'........still workin on that 60' shootin for 1.4's!

  7. The Following User Says Thank You to 96LT1355Z28 For This Post:


  8. #5
    Lurker


    Status
    Offline
    Join Date
    May 2015
    Name
    Mark
    Vehicle
    2006 Chevrolet Colorado
    Posts
    57

    Default

    Awesome!

    Sent from my SM-J700T using Tapatalk

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