For Shop Owners

C1221 PONTIAC - Left Front Wheel Speed Sensor Input Signal Is Zero

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?

Possible causes

  • Faulty Hub Assembly (Left Front Wheel Speed Sensor is part of hub assembly)
  • Faulty Left Front Wheel Speed Sensor
  • Left Front Wheel Speed Sensor harness is open or shorted
  • Left Front Wheel Speed Sensor circuit poor electrical connection
What does this mean?
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Posted and Edit by kvjournal.ru 12-18-2017