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  • pulled some codes and need help!

    can someone tell me what this means?? im a little confused at the way my light was flashing. let me start by asking if jumping the two upper right wires on the plug is actually what im supposed to do to pull stored cel codes?

    this is on my 90 pickup 2500

    here is what i got....
    12,12,12,4,3,4,3,4,3 then it starts at 12 again and starts over...i was kind of expecting to see each number once...

    here is whats goin on... so my truck turns over for about 4 seconds before it starts.. seems to be a common thing with all the obs trucks i have owned and my uncles does it too.. also my speedo isnt working(not the cable type) my brake light on the dash is staying on actually now that i jumped A and H its flashing all the time now(9 quick and 1 long flash). im not sure about this part. on the freeway it seems like it should be shifting into overdrive. when driving on the freeway if i go too fast and let it wind way up the service engine light will come on until i turn the truck off. just seems like its winding out going like 50ish(cant tell with no speedo) on my shifter window thing there is no OD icon just PRD21 does this truck have over drive? i got it from my moms husband and it was sitting for a few years when i got it running again. he cant remember much about how it drove.
    Last edited by Brandyn85; 11-27-2008, 01:17 PM.
    99 4runner Limited - 4.3 v6, intake mod, in dash dvd, flowmaster exhaust

    90 chevy 2500 4x4 - Stock - 5.7 tbi

    85 k5 blazer - rebuilt 350, 12inch lift, 42x15x16.5 tsl super swampers, 488 gears, corp 14 rear, dana 44 front, warn hubs, , th400 trans

  • #2
    Re: pulled some codes and need help!

    See if this helps http://www.gmtuners.com/OBD1_DTC.htm
    DTC - 12 No distributor reference pulse (diagnostic test active)

    DTC - 13 Oxygen sensor circuit open or no activity

    DTC - 13 Left bank O2 sensor circuit open or no activity

    DTC - 14 Engine coolant temp sensor error (high temp indicated)

    DTC - 15 Engine coolant temp sensor error (low temp indicated)

    DTC - 16 System voltage too low

    DTC - 17 Camshaft position sensor error

    DTC - 21 Throttle Position sensor error (signal high)

    DTC - 22 Throttle position sensor error (signal low)

    DTC - 23 Intake air temp sensor error (low temp indicated)

    DTC - 24 Vehicle speed sensor error (open circuit or no activity)

    DTC - 25 Intake air temp sensor error (high temp indicated)

    DTC - 28 Auto transmission range pressure switch error

    DTC - 31 Wastegate solenoid circuit error

    DTC - 32 EGR system failure

    DTC - 33 MAP sensor circuit error (signal high indicating low vacuum)

    DTC - 34 MAP sensor circuit error (signal low indicating high vacuum)

    DTC - 35 IAC problem or idle error

    DTC - 36 MAF sensor error

    DTC - 36 24x Crankshaft position sensor circuit error

    DTC - 37 TCC brake switch circuit error

    DTC - 39 Clutch switch circuit error

    DTC - 41 Ignition control error

    DTC - 41 MEM-CAL error

    DTC - 41 C³I Cam Sensor Signal error

    DTC - 42 Ignition bypass circuit error

    DTC - 43 Knock sensor error

    DTC - 44 Oxygen sensor error (lean condition indicated)

    DTC - 44 Left bank O2 sensor error (lean condition indicated)

    DTC - 45 Oxygen sensor error (rich condition indicated)

    DTC - 45 Left bank O2 sensor error (rich condition indicated)

    DTC - 46 Pass-Key II (VATS) system error - circuit out of freq range

    DTC - 51 PROM error

    DTC - 51 Incorrect MEM-CAL

    DTC - 52 Fuel cal-pak incorrect or missing

    DTC - 53 System voltage too high

    DTC - 54 Fuel pump circuit low voltage

    DTC - 55 ECM error

    DTC - 58 Trans fluid temp sensor circuit error (low voltage)

    DTC - 59 Trans fluid temp sensor circuit error (high voltage)

    DTC - 61 A/C system performance

    DTC - 63 Right bank O2 sensor circuit error

    DTC - 63 MAP sensor circuit signal voltage high (low vacuum indicated)

    DTC - 64 Right bank O2 sensor lean exhaust indicated

    DTC - 64 MAP sensor circuit signal voltage low (high vacuum indicated)

    DTC - 65 Right bank O2 sensor rich exhaust indicated

    DTC - 66 A/C pressure sensor circuit error (low pressure indicated)

    DTC - 67 A/C pressure sensor circuit error

    DTC - 68 A/C clutch relay circuit error (shorted to ground)

    DTC - 69 A/C clutch relay circuit error (open circuit indicated)

    DTC - 70 A/C pressure sensor circuit error (high pressure indicated)

    DTC - 71 A/C evaporator temp sensor circuit error (low temp indicated)

    DTC - 72 VSS signal circuit error

    DTC - 73 A/C evaporator temp sensor circuit error (high temp indicated)

    DTC - 75 Digital EGR solenoid #1 circuit error

    DTC - 76 Digital EGR solenoid #2 circuit error

    DTC - 77 Digital EGR solenoid #3 circuit error

    DTC - 79 Transmission fluid overtemp

    DTC - 80 Transmission component slipping

    DTC - 82 3x Crankshaft position sensor circuit error

    DTC - 85 PROM error

    DTC - 86 A/D error

    DTC - 87 EEPROM error (flash memory error)

    DTC - 90 TCC error

    DTC - 93 Transmission pressure control solenoid circuit error

    DTC - 96 Transmission system voltage low

    DTC - 98 Invalid PCM program

    DTC - 99 Invalid PCM program

    This is for a obd-1 which i cant remember if this obd-1 or obd-0.
    98 silverado 4wd 3.73gears,5.7l,headers,under drive pulleys,78mm ported and polished tb, k&n fipk,catback, zz4 cam, roller rockers, lt4 valve springs, 411 swap tuning by me.

    Originally posted by Redneck Rebel
    fsc demo derby time. Would've been a better disposal system than the Cash4Clunkers BS

    Comment


    • #3
      Re: pulled some codes and need help!

      Looks like you got it right.
      The 12 is right, that means it's in diagnostic mode, then it does 12 at the end again. Then it starts all over.
      Your code is a 43.
      Looks like you have a turbo 400. Should be atleast. So to answer your question no overdrive.

      For you brake light flashing that is also a code. Someone should be able to tell you how to find that.

      For your engine code, you can search on here, and you will find a website in the other posts, that tell you what your codes mean.
      Don't remeber that one off the top of my head.


      03 Silverado ECSB, Dmax, Allison, 3.73 G80
      96 Silverado ECSB, 350, 4L60E, 3.73's Powertrax Locker
      05 Cavalier
      74 Corvette Stingray, 350, 4 speed
      49 F-1, flathead 6, 4 speed, 2wd, unknown rear end. Old rust bucket.

      Comment


      • #4
        Re: pulled some codes and need help!

        Code 43 is esc circuit.(ie knock sensor or esc module)
        code 9 is vss sensor isnt working. thats why it isnt going into overdrive or rear abs isnt working and speedo isnt working.
        O2 GMC RCSB 4.8L V8 AUTO 3.73's
        rebuilt/beefed up 4L60E(at 43,000miles)

        Comment


        • #5
          Re: pulled some codes and need help!

          Originally posted by NEUMANNZZ
          Code 43 is esc circuit.(ie knock sensor or esc module)
          code 9 is vss sensor isnt working. thats why it isnt going into overdrive or rear abs isnt working and speedo isnt working.
          If his cluster doesn't have overdrive, I bet he's got a Turbo 400.
          Last edited by hornsfan10609; 11-27-2008, 03:50 PM.

          91 RCSB C1500 4.3 4L60 Cash for Clunkered 8/3/09
          09 Ford Mustang Bullitt #5998 Brenspeed Tune, LCAs. 13.35 @104.3
          94 Ford Mustang SVT Cobra ModdedSOLD 9/4/08

          Comment


          • #6
            Re: pulled some codes and need help!

            so knock sensor error would explain the check engine light on the freeway then huh? is there a way to test them? or pretty much just replace and see what happens. the vss should be on the transfer case on this truck right? is there a way to tell what tranny i have by looking at it?

            also is there anything i can do about how long it turns over before firing? im going to be doing a tune up this weekend and fuel filter. but from my previous experience it didnt help much on my old tahoe or my 91 ext cab. what about pulling the throttle body and giving that a good cleaning?
            Last edited by Brandyn85; 11-27-2008, 07:50 PM.
            99 4runner Limited - 4.3 v6, intake mod, in dash dvd, flowmaster exhaust

            90 chevy 2500 4x4 - Stock - 5.7 tbi

            85 k5 blazer - rebuilt 350, 12inch lift, 42x15x16.5 tsl super swampers, 488 gears, corp 14 rear, dana 44 front, warn hubs, , th400 trans

            Comment


            • #7
              Re: pulled some codes and need help!

              extended cranking could be lack of fuel pressure. fuel pressure should be 9-13psi.
              could also be a timing/ignition issue. timing should be set to zero degrees with est wire disconnected.
              O2 GMC RCSB 4.8L V8 AUTO 3.73's
              rebuilt/beefed up 4L60E(at 43,000miles)

              Comment


              • #8
                Re: pulled some codes and need help!

                since mine is a TBI are the knock sensors under the intake like on the newer trucks? is there a way to tell which one is bad or is it better to just do both? or do i even have 2?
                99 4runner Limited - 4.3 v6, intake mod, in dash dvd, flowmaster exhaust

                90 chevy 2500 4x4 - Stock - 5.7 tbi

                85 k5 blazer - rebuilt 350, 12inch lift, 42x15x16.5 tsl super swampers, 488 gears, corp 14 rear, dana 44 front, warn hubs, , th400 trans

                Comment


                • #9
                  Re: pulled some codes and need help!

                  you only have one knock sensor and its on the side of the engine. A dark blue wire goes to it. what engine is it?
                  O2 GMC RCSB 4.8L V8 AUTO 3.73's
                  rebuilt/beefed up 4L60E(at 43,000miles)

                  Comment


                  • #10
                    Re: pulled some codes and need help!

                    5.7 l oh if its on the side it should only take a few minutes then huh
                    99 4runner Limited - 4.3 v6, intake mod, in dash dvd, flowmaster exhaust

                    90 chevy 2500 4x4 - Stock - 5.7 tbi

                    85 k5 blazer - rebuilt 350, 12inch lift, 42x15x16.5 tsl super swampers, 488 gears, corp 14 rear, dana 44 front, warn hubs, , th400 trans

                    Comment


                    • #11
                      Re: pulled some codes and need help!

                      yeah dont do it while the engine is hot. coolant will pour out.
                      Last edited by NEUMANNZZ; 11-27-2008, 08:25 PM.
                      O2 GMC RCSB 4.8L V8 AUTO 3.73's
                      rebuilt/beefed up 4L60E(at 43,000miles)

                      Comment


                      • #12
                        Re: pulled some codes and need help!

                        sweet im going to do it tomorrow and see if i cant figure out my speedo issue too
                        99 4runner Limited - 4.3 v6, intake mod, in dash dvd, flowmaster exhaust

                        90 chevy 2500 4x4 - Stock - 5.7 tbi

                        85 k5 blazer - rebuilt 350, 12inch lift, 42x15x16.5 tsl super swampers, 488 gears, corp 14 rear, dana 44 front, warn hubs, , th400 trans

                        Comment


                        • #13
                          Re: pulled some codes and need help!

                          the knock sensor should be on the passenger side of the block near the starter.
                          the vss sensor should be on the transfer case.
                          O2 GMC RCSB 4.8L V8 AUTO 3.73's
                          rebuilt/beefed up 4L60E(at 43,000miles)

                          Comment


                          • #14
                            Re: pulled some codes and need help!

                            awesome thanks for the help, i'll post pack with results.
                            99 4runner Limited - 4.3 v6, intake mod, in dash dvd, flowmaster exhaust

                            90 chevy 2500 4x4 - Stock - 5.7 tbi

                            85 k5 blazer - rebuilt 350, 12inch lift, 42x15x16.5 tsl super swampers, 488 gears, corp 14 rear, dana 44 front, warn hubs, , th400 trans

                            Comment


                            • #15
                              Re: pulled some codes and need help!

                              i just ran outside to see if i could see where the knock sensor and vss is located, is the vss the very back sensor on the transfer cae that has a yellow and purple wire going to it? and i couldnt see the knock sensor but it was dark and rainy so i didnt want to get under there yet.
                              99 4runner Limited - 4.3 v6, intake mod, in dash dvd, flowmaster exhaust

                              90 chevy 2500 4x4 - Stock - 5.7 tbi

                              85 k5 blazer - rebuilt 350, 12inch lift, 42x15x16.5 tsl super swampers, 488 gears, corp 14 rear, dana 44 front, warn hubs, , th400 trans

                              Comment

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