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DTC 21: Right Front Wheel Speed Sensor Circuit Open: Notes

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 1996 GMC Vandura Special, 1996 GMC Vandura, 1996 GMC Savana Special, 1996 GMC Savana Camper Special, and 1996 GMC Savana. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Test numbers refer to numbers on diagnostic chart. To identify circuits and terminals referenced in text and flowcharts, see WIRING DIAGRAM  .
Fig 1: DTC 21 Diagnostic Flow Chart
G96H25368Courtesy of GENERAL MOTORS CORP.
  1. Measures resistance of 5-way EBCM harness connector terminals "C" and "E".
  2. Measures resistance of right front wheel speed sensor harness.
  3. Measures resistance of right front wheel speed sensor.