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ABS trouble


ivordavies
09-28-2011, 11:53 AM
I have a 99 Grand am with codes ; C1233, C1226 and C1222. Ive tried cleaning the sesors and checking wires. Do I need a new wheel bearing?

1- speed sensor open (C1233)
2- right front or any vibration (C1226)
3-right front or any signal is zero (C1222)

HELP!!!

Tech II
09-28-2011, 06:09 PM
We techs have an advantage......called a Tech II....put car up in the air, look at the ABS data, and rotate the wheel....if data says zero, we take a spare wheel hub and rotate it by hand....if we now get a speed reading, the sensor/hub is bad...

If you have a multi meter, you can check the resistance of the sensor and also the A-C out of the sensor when rotating it.....

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