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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1788 (Automatic Transmission - 4L60-E/4L65-E (Diagnosis)) >> Diagnostic Information and Procedures >> DTC P0712 (4.2L): Transmission Fluid Temperature (TFT) Sensor Circuit Low Input >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. 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 a short to ground condition.
  2. 4. This step tests for an internal fault within the transmission by creating an open.
Fig 1: DTC P0712 - 4.2L (Steps 1-5)
G02131440Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P0712 - 4.2L (Steps 6-12)
G02131441Courtesy of GENERAL MOTORS CORP.
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