Questions & Answers for: GMC do loop codes

...If not then it is most likely that the vehicles ECM is still running in loop mode because it doesn't realize it has been changed. Clearing the codes, disconnecting the battery should do the

...to ground things work. Information I don't have is where this wire runs to and at what point is the loop closed to go to ground. Reading the diagnosis chart it is controled by the PCM via Oxygine ...

codes 1018-passenger loop short to ground and code 1071 -internal SDM problem showed on code reader. Suggestions on what to do to get light to go out. It likely is a bad passenger air bag. Did you try

...about 360 degrees C., 600 degree F. An open sensor circuit or a cold sensor circuit causes Open Loop operation. A Code 44 is set when the O2 sensor signal voltage remains below .3 volts for 50 ...

...not reached operating temp. The computer wants the engine a certain temp so it can go into "closed loop" where it fine tunes the fuel mix for optimum economy and emissions. If it cannot reach that ...

...codes the engine reachs 195 the stat opens and temp drops. so does the computer read that its warmed up or is it going to be reading cold and running rich and burnig more fuel.becuase once the stat ...

...lean condition. It comes on and goes off. When it goes off, I'm assuming it's going into closed loop and runs poorly and acts like the fuel filter is clogged (stutters & loss of power). All

How do I track down airbag code B0041 on a 2002 Yukon? I keep getting air bag code B0041 left side crash loop open. How can I track down where the issue is. You need special training.

...codes B0058 and B0084 I think they are for the front right impact sensor, But want to verify before I start throwing parts on DTC B0058 Right Front/Passenger Pretensioner Deployment Loop Open. The ...

...loop with those codes. P0134 02 Sensor Circuit No Activity Detected (Bank I Sensor 1) P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) Check for major air leak in exhaust. Or 2 dead ...