2007 GMC Yukon "u0121" Questions

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Question about GMC Yukon

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...MODULE, BCM, AND BEEN ALL PROGRAMMED FOR DEALER. NEED HELP BAD! THESES ARE THE CODES COMING UP U0121, U0100, U0073, U0122, U0140 The anty theft controler is U/S.Hope this

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...codes I failed my emission test because the testing agency did not know what a code meant.(the U0121 code) I had the following codes: OBD Results trouble codes comm: Pass U0101 Mil: Fail U0121 ...

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Question about GMC Yukon

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u0121 how did i fixit Hi there:DTC U0121 - Lost Communication With Anti-Lock Brake System (ABS) Control ModuleIf the fault come back again, this is being caused by a failed ABS module. You ...

My 07 mazda6 as four codes u0101,u0155 u0121,u0073,u0100 and stuck in 3rd gear please help You'll need to get a good auto electrician to look at this. The codes suggest a failed ECU, the brain reading

...and whe I put the scanner it shows me code U0122. Does anyone know about this problem? thanks U0121 Lost Communication With Electronic Brake Control Module As with most trouble codes, the U0121 ...

05 chrysler 300 code u1120 and u0121 CODE U1120 AND U0121 Both of these have to do with the ABS system. U codes are lost communications codes from computers. Sometimes they are the wires. When you ...

...not communicate... also I have pulled codes one time... when I was lucky enough to get them. U0101,U0121,U0140,U0100. GMLAN lost communications with these modules, I'm suspecting BCM since it is the ...

Question about GMC Yukon

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u0121 code whats wrong in most cases Usually a P0121 is a problem with the throttle position sensor.A mechanic would use a scanner to check the output.You can also use a VOM and check resistance.

DTC U0121 - Lost Communication With Anti-Lock Brake System (ABS) Control Module If you clear the code does it come right back AND is the ABS light illuminated on dash?

Question about GMC Yukon

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codes u0121 the speedometer does not work AT BRAKE ligth ABS are on The brake controller wont talk to the ECM, it could be the cable or the brake controller.

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