July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC 25: Left Front Wheel Speed Sensor Circuit Open: Notes

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 25 Diagnostic Flow Chart

G96C25371

Courtesy of GENERAL MOTORS CORP.

Measures resistance of 5-way EBCM harness connector terminals "C" and "E".
Measures resistance of left front wheel speed sensor harness.
Measures resistance of left front wheel speed sensor.