C 1500 Truck 2WD V6-4.3L VIN X (2003)
Vehicle Speed Sensor: Description and Operation
Antilock Brake System
ABS Description and Operation (8600 GVW or less)
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Vehicle speed sensor (VSS)
The input signal for rear wheel speed originates at the VSS. The powertrain control module (PCM) receives rear wheel speed input from the VSS
and supplies this information to the EBCM.
