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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 P0713 (4.2L): Transmission Fluid Temperature (TFT) Sensor Circuit High 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 verifies a condition in the TFT sensor circuit.
  2. 4. This step simulates a TFT sensor DTC P0712. If the PCM recognizes low signal voltage, high temperature, the PCM and wiring are functioning normally.
  3. 5. This step tests the TFT sensor and automatic transmission (AT) wiring harness assembly.
Fig 1: DTC P0713 - 4.2L (Steps 1-5)
G02131446Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P0713 - 4.2L (Steps 6-13)
G02131447Courtesy of GENERAL MOTORS CORP.
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