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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 4L60-E/4L65-E (Service & Replacement) >> Diagnostic Information and Procedures >> DTC P0757: Gear Ratio >> Test Description

Test Description

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

  1. 2. This step tests that the PCM commanded all shifts, that all shift solenoid valves responded correctly, but that all the shifts did not occur.
Fig 1: DTC P0757 Diagnosis
G01565729Courtesy of GENERAL MOTORS CORP.
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