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C codes???


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Shedder1
User

Aug 16, 2015, 9:06 AM

Post #1 of 8 (929 views)
C codes??? Sign In

I have a 2003 Chevy Trail Blazer, I hooked up a cheap OBD to check and clear my service engine light when doing so I received a P code, no problem but then their were 4 C codes and I don't know what C codes are? Can someone please help with this matter. Thxs


Discretesignals
Ultimate Carjunky / Moderator
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Aug 16, 2015, 9:52 AM

Post #2 of 8 (922 views)
Re: C codes??? Sign In

C codes are chassis codes. Things like ABS, stability control, and electronic suspension systems use C codes.

Did your code reader give you a number for those codes?





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Aug 16, 2015, 9:54 AM)


Shedder1
User

Aug 16, 2015, 9:56 AM

Post #3 of 8 (914 views)
Re: C codes??? Sign In

Yes it did. Were can I go to see what the code numbers mean. Thanks for your help and fast response...


Discretesignals
Ultimate Carjunky / Moderator
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Aug 16, 2015, 9:59 AM

Post #4 of 8 (912 views)
Re: C codes??? Sign In

If you give us the numbers, we can give you the definition of them.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


Shedder1
User

Aug 16, 2015, 10:06 AM

Post #5 of 8 (911 views)
Re: C codes??? Sign In

Here are the codes, c222, c226, c261, c281, c291, Thanks again for all your help...


Discretesignals
Ultimate Carjunky / Moderator
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Aug 16, 2015, 10:23 AM

Post #6 of 8 (903 views)
Re: C codes??? Sign In

 
C0222 and C0226 are front wheel speed sensor circuit codes.

The corresponding wheel speed sensor signal is less than 6 km/h (4 mph) for 5 seconds, or 120 seconds in order to set both codes.

C0261 no such code on this vehicle according to service information.

C0281 is a brake switch circuit code
The EBCM (ABS computer) detects an open or shorted brake switch or brake switch circuit.



C0291 is loss of communications with the body control module.
The EBCM fails to receive serial data from the BCM 5 secs after the ignition is turned on.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Aug 16, 2015, 10:33 AM)


Shedder1
User

Aug 16, 2015, 10:33 AM

Post #7 of 8 (898 views)
Re: C codes??? Sign In

Thank you for the information and all your help...


Discretesignals
Ultimate Carjunky / Moderator
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Aug 16, 2015, 10:39 AM

Post #8 of 8 (897 views)
Re: C codes??? Sign In

Inspect your front hub bearings. Make sure they are not loose or grinding with the wheels jack up. Pull the wheel speed sensors and look inside and be sure where the sensor mounts isn't all pitted and rusted up causing the sensor distance from the tone ring to have changed. Inspect the wheel speed sensor harness for damage or chaffing.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.






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