How to fixc0221 c0222 c0223 c0227 c0237 on a 02 gmc sonoma?

C-0222 http://www.justanswer.com/chevy/77jbi-c0222-right-front-wheel-signal-missing-c0223-right-front-wheel.html

C-0281 http://forums.trailvoy.com/showthread.php?t=25480

https://www.obd-codes.com/forums/viewtopic.php?t=8546

Hope these help

Look at the transmission control module. Sounds like a massive wiring harness problem too.

Do you mean brake disc?

On both the 2wd and 4wd sonoma models the abs sensor is on the front not the rear. The way an abs system functions the wheel speed sensor sends a signal to the abs controller with the wheel speed, if it's faulty it may over activate in a sense or will revert to conventional braking in which your brakes would lock up. Your abs light would be illuminated as well. The new sensor costs about 70 dollars fyi. 10 minutes to install yourself

May be your abs control module. Check autoecu.com and call the number listed and technical support can help and repair this abs control module if it is bad . They just repaired mine for the same problem you are having. My truck is a 2001 GMC Sonoma SLS with the extended cab. It works fine now. You need to pull the 60 amp fuse for the abs system that is under the hood to keep the pump from running all the time so it want drain your battery down. If the pump keeps running all the time it can damage it also and they are expensive.

ligth brake abs

a special tool is required to hold the ABS hydraulic control unit popit valves open during bleeding of the brakes, without this special tool you will not be able to get the air out of the system, most good brake shops have this tool or of course the local Chevy dealer or GMC dealer. I am a dealer tech and know this information is correct..

ok you have to find out what sensor is bad first. the sensors are mounted in the front spindle.or just pull the fuse out.its cheaper wont make you unsafe. i hade abs to tell the truth.

you can try and flush your old brake fluid out. does abs light come on? possible shorting in abs module

I WOULD NOT KEEP DRIVING IT.WHEN ABS LIGHTS AND BRAKE LIGHTS COME ON.YOU HAVE BRAKE FAILURE. TOW IT TO DEALERSHIP HAVE IT SERVICE.AND CHECK THE ABS BRAKES SYSTEM .BECAUSE ABS BRAKE SYSTEM IS NOT A HOME FIX.BECAUSE THE ABS HYDRAULIC MODULATOR UNIT HAS LOWER FROM HOME POSITION .IN ORDER TO MOVE THE MASTER CYLINDER FROM UNIT.YOU NEED A TECH 2 SCANNER TO DO THE JOB.TO GET ABS BRAKES TO BLEED RIGHT BEST TO GET THEM PRESSURE BLEED INSTEAD OF MANUAL BLEEDING GET LESS AIR IN SYSTEM.THAT WHY SEE DEALER SHIP HAS THE THINGS TO DO THE JOB.