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Test Description

The number below refers to the step number on the diagnostic table.

  1. 4.  This step tests for the proper vehicle speed signal from the PCM.
Fig 1: Diagnosis Procedure - Speedometer And/Or Odometer Inaccurate Or Inoperative (1 Of 2)
G02099477Courtesy of GENERAL MOTORS CORP.
Fig 2: Diagnosis Procedure - Speedometer And/Or Odometer Inaccurate Or Inoperative (2 Of 2)
G02099478Courtesy of GENERAL MOTORS CORP.
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