Questions & Answers for: Hummer gm codes po455

...this will start to back the speedometer up, about 5 mph at a time, do this till it is set back to 0 GM used bad instrument cluster motors in all 2003-2006 SUV. And in half of the cars they sold. It ...

...PO455 mean? A code p0455 most likely means one or more of the following has happened: A loose or improperly affixed gas cap A non-conforming gas cap (i.e. not factory/original brand) Other leak or ...

...in the sensor has a problem. You should replace the sensor. (Experience: I highly recommend a GM part. The GM engine control module is very sensitive to 02 sensors). Make sure the truck end of ...

...charging system needs servicing.. changed alternator system still will not charge.. MOST NEW GM CARS YOU NEED TO ERASE LOW CHARGE TROUBLE CODE FIRST USING A CODE SCANNER BEFORE CRANKING ...

...codes accordingly. It is very likely to be caused by a fault in your throttle position sensor or accelerator pedal position sensor circuits. There is a Technical Service Bulletin (TSB) for your ...

it with the owners manual and other new vehicle paperwork. If you do not have this info contact any GM dealer for assistance with obtaining your unique radio security code

codes are stored when light is on. On GM scanners it has a option that shows if the codes cleared are tested since cleared and if they have failed or passed on a given ignition cycle. This sounds like

How do I clear the code PO455 after the repair? I have replace the Gas Csp with Hummer cap and need to clear the PO 455 code. You would need a scanner or code reader to erase the code. Keep in mind ...

I have Hummer H3 2007 model manufactured in Mexico. I need to know the location of the Engine Number. Usually G.M. engine code is in the VIN. You count 8 digits from the right to left for the year ...

...easily. I'm not finding many resources on how to decipher the engine stamp code. well first go to GM and ask for RPO look up from VIN learn the engines (day1new) RPO code! first. the dealer can use ...