The car will then enter the diagnostic mode and flash the “ check engine Light” several times, and we should count the flashes to figure out the diagnostic codes. Our reading method without a diagnostic tool is to make short the circuit of pin A and pin B. Power management – Error / faulty circuit Ignition control (IC) 3X – Signal error/faulty circuitĪnalog/digital – Pcm error /faulty circuit Vehicle speed sensor (VSS) – Circuit signal low resistance Vehicle speed sensor (SS) – Circuit signal high resistance Gear selector switch – Circuit error/faultĪ/C (Air conditioning) Evaporator temperature – Circuit high Oxygen O2 sensor right side – Rich mixture indicatedĪ/C (Air conditioning ) pressure sensor – Circuit low pressureĪ/C (Air conditioning ) pressure sensor – Circuit or a/c clutch – circuit failure (depending on the car model)Ī/C (Air conditioning ) compressor relay – Circuit failure errorĪ/C (Air conditioning ) clutch – Circuit/pressure highĪ/C (Air conditioning ) refrigerant pressure – Circuit highĪ/C (Air conditioning ) evaporator temperature sensor – circuit low Oxygen O2 sensor right side – Lean mixture indicated Oxygen O2 sensor right side – Circuit open or MAP (manifold air pressure sensor ) – out of range (depending on the car model ) Vehicle anti-theft system ( VATS ) – Circuit faultyĪC (Air conditioning) system performance or degraded oxygen sensor signal (depending on the car model)Įngine oil temperature sensor – High temperature indicated Quad-driver module (QDM B) – Circuit error Pass-key II – Circuit or Power steering pressure switch – circuit fault error (depending on the car model)Ĭalibration error – Mem-cal, ECM, or EPROM failureĮngine oil temperature circuit – Low temperature indicated / circuit errorīattery voltage – Low/high/error or Egr valve solenoid 1 – circuit error (depending on the car model )įuel Pump – Circuit error or Egr valve solenoid 2 – Circuit error (depending on the car model )ĮCM PCM – Circuit error or EGR valve solenoid 3 – Circuit error (depending on the car model ) Knock sensor / Electronic spark control – Circuit fault error (depending on the car model) Idle air control valve / Sensor – Circuit faultīrake input ( Brake switch sensor ) – Circuit faultĬlutch input ( Clutch sensor ) – Circuit faultĬamshaft sensor – Circuit fault or ignition control – circuit fault/error (depending on the car model)ĮST (Electronic spark timing) – Circuit grounded/shorted Manifold Air Pressure Sensor – Signal out of range, low resistance Manifold Air Pressure Sensor – Signal out of range, high resistance
QDM A ( Quad driver module ) – 4th gear circuitĮGR ( Exhaust Gas Recirculation ) – Circuit fault QDM A ( Quad-driver module ) – Circuit #2 fault QDM A ( Quad-driver module ) – 2nd gear circuit QDM A ( Quad-driver module ) – Circuit #1 fault Intake Air temp sensor – Out of range, high resistance Intake Air temp sensor – Out of range, low resistance Throttle position sensor – Out of range/Performance Oxygen O2 Sensor – Circuit open/no activityĬoolant Temperature sensor – Resistance too high or shorted circuitĬoolant Temperature Sensor – Circuit low or openĭirect ignition system (DIS) – Faulty circuit / shorted circuitĬamshaft Position Sensor – Circuit/timing errorĬamshaft or Crankshaft – Sensor/circuit/timing errorĬrankshaft sensor – Sensor/circuit/timing error
Check your repair manual for the trouble codes of your car model.
We do not take responsibility for any faults in this code list. The OBD1 codes’ meanings can differ a bit depending on what car model you have, but most of them are the same among all car manufacturers. If you feel you can do something special to benefit the community, message the mods.Here is a complete OBD1 trouble code list. If you spam the community with links to your products (goods, services, youtube channels, vlogs, or blogs), you are selling or promoting, they will be removed and you will be banned from the community. The information may be useful to someone else in the future.ĥ.
If another user helps you resolve an issue with your truck, be sure to report back with the results. I don't think we'll have a problem will this, will we?Ĥ. Offensive comments will result in a warning.
Pictures should be hosted on reputable sites (imgur, Photobucket, truck sites such as Diesel Power).ģ. These will surely be revised as time goes on but for now here are some simple rules:Ģ. I wish I could say there are no rules here but we can't live on Reddit without them. First thing to remember is there are no rules."
"For those of you who have never done this before, I think I better go over the rules. Welcome to the home of all things related to International/Ford diesel engines!Ĭheck out these other great diesel/truck communities: