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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1626 (Automatic Transmission - 4L80-E - Service & Replacement) >> Diagnostic Information and Procedures >> DTC P0717: Low Or No Input Speed During High Vehicle And High Engine Speeds >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. 3. This step tests for proper circuit operation up to the PCM connections.
  2. 6. This step tests for proper operation of the AT ISS sensor.
Fig 1: DTC P0717 (Steps 1 - 5)
G01952167Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P0717 (Steps 6 - 14)
G01952168Courtesy of GENERAL MOTORS CORP.
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