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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 214 (Automatic Transaxle Diagnosis - 4T65-E) >> Diagnostic Tests >> DTC P0730: Incorrect Gear Ratio >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

The numbers listed below refer to step numbers in the diagnostic procedure:

  1. 2  - This step tests for low fluid level, which may cause slipping and result in an undefined gear ratio.
  2. 3  - This step verifies that the correct gear ratios occur for commanded gears.
  3. 5  - This step tests for low line pressure.

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