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Diagnostic Trouble Codes | 1st Gen Cummins

Today I show you how to read the diagnostic trouble codes using your ignition key and the check engine light. These trouble codes can help you diagnose some issues in these old trucks. I go over the details of what the factory PCM controls for inputs and outputs plus I show you some issues I'm having with my factory PCM in my red truck.. I'll be doing a deep dive to see if I can resolve the PCM issues in my red truck. Stay tuned for more videos! 11 Timing belt skipped 1 tooth or more from initial learned value, Intermittent loss of either camshaft or crankshaft position sensor, No crank reference signal detected during engine cranking 12 Direct battery input to PCM was disconnected within the last 50 key-on cycles (normal) 13 No change in MAP from start to run 14 MAP sensor voltage too low 15 No vehicle speed sensor signal 17 Closed loop temp not reached or engine cold too long 21 02s sensor problem (oxygen sensor), upstream or down stream 22 Engine coolant temp sensor out of range 23 Intake air temp sensor out of range 24 Throttle Position sensor out of range 25 Idle air control motor circuits, target idle not reached (+/- 200),vacuum leak found 27 Injector control circuit 31 Evap purge flow monitor failure or evap solenoid circuit 32 EGR system failure 33 A/C clutch relay circuit 34 Speed control Solenoid circuits 35 Rad Fan control relay circuit 37 Torque converter clutch solenoid CKT or park/neutral switch failure 41 Generator field not switching properly 42 Fuel pump relay control ckt, Auto shutdown relay control ckt, No ASD relay output voltage at PCM, Fuel level sending unit volts out of range, Fuel level unit No change over miles 43 Multiple/ single cylinder misfire 44 Battery temp sensor volts out of range 46 Charging system voltage too low 51 Fuel system lean 52 Fuel system rich 53 Internal control failure 54 No Cam signal at PCM 55 End of error messages (If you get this only, no errors were found) 62 PCM failure SRI mile not stored 63 PCM Failure EEPROM write denied 64 Catalytic Converter Efficiency Failure 65 Power steering switch failure Tyler, ************************************************************************************* SUBSCRIBE: https://www.youtube.com/c/TylerOvens?... ************************************************************************************* SHARE THIS VIDEO LINK:    • Diagnostic Trouble Codes | 1st Gen Cu...   ************************************************************************************* BUY THE ITEMS IN THIS VIDEO (AMAZON.COM): Video Equipment: GoPro7: https://amzn.to/2UdHtnk GoPro Accessory Kit: https://amzn.to/3bl9wXy ************************************************************************************* BUY THE ITEMS IN THIS VIDEO (AMAZON.CA): Video Equipment: GoPro7: https://amzn.to/2UdHtnk GoPro Accessory Kit: https://amzn.to/3bl9wXy ************************************************************************************** CONTACT ME: E-Mail: [email protected] **************************************************************************************