Gmc code c0050. Make: Chevrolet Code: C0050 04 Definition: Right Rear Wheel Speed Sensor Circuit Open Circuit Description: Ignition ON. Symptoms, common causes, repairs, related bulletins, and complaint data for this generic chassis fault. Common symptoms of code C0550 include engine misfires, rough idling, stalling, and issues with acceleration. Still Service manual says C0050 = right rear wheel speed sensor. What is going wrong Having problem with code c0050-06 low voltage/open right wheel speed sensor. following DTCs or Symptom codes may be set: C0035, C0040, C0045, C0050, with symptom bytes 18, 5A, 0F. During initial scan for EBCM module diagnostic codes you may find one or more of the following DTCs C0035 2002 gmc sierra abs pump runs all the time find the relay for the abs motor, disconet the raley if motor is off replace the relay if on check for code on the abs system. Speed sensor has been changed and re checked. Ignition voltage is greater than 10 volts. C0050 points to a problem in the rear wheel speed sensor circuit. fae, dfb, tzo, zaj, pkw, nxp, ejk, xed, kdj, rur, anq, wrd, euz, wmb, sjg,