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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 143 (Automatic Transmission - 4L80-E/4L85-E - DTC P0218 To DTC P0976) >> DTC P0711 >> Test Description

Test Description

WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. 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. 2:  This step inspects for proper transmission fluid level and condition.
  2. 3:  This step verifies which condition has set DTC P0711.
  3. 5:  The 12-volt test lamp is used as a fixed resistance.
  4. 6:  This step ensures that the TCM monitors the TFT Sensor Signal circuit.
DTC P0711

Step Action Yes No
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2  Perform the Transmission Fluid Checking Procedure. Refer to Transmission Fluid Checking .
Was the Transmission Fluid Checking Procedure performed?		 Go to Step 3  Go to Transmission Fluid Checking
3 
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
    3. IMPORTANT: Before clearing the DTCs, use the scan tool in order to record the ECM and TCM Failure Records. Using the Clear Info function erases the Failure Records from the ECM and TCM.
  3. Record the Failure Records.
  4. Clear the DTCs.
  5. Select TFT on the scan tool.
  6. Drive the vehicle and observe the scan tool for one of the following conditions:
    • No TFT change.
    • An unrealistic TFT change. The TFT change is greater than 20°C (36°F) 14 times in 7 seconds.
Did either of the fail conditions occur?		 Go to Step 4  Go to Testing for Intermittent Conditions and Poor Connections
4 Did the scan tool display an unrealistic TFT change? Go to Step 5  Go to Step 6 
5 
  1. Turn OFF the ignition.
  2. Disconnect the transmission AT inline 20-way connector. Additional DTCs may set.
  3. Using the J 35616  GM-approved terminal test kit, install a 12 volt test lamp between the TFT sensor signal and low reference of the engine side of the transmission AT inline 20-way connector. See Special Tools .
  4. Turn ON the ignition, with the engine OFF.
Does the scan tool TFT display an unrealistic TFT change?		 Go to Step 7  Go to Step 8 
6 
  1. Record the scan tool TFT display from Step 4.
  2. Turn OFF the ignition.
  3. Disconnect the transmission AT inline 20-way connector. Additional DTCs may set.
  4. Turn ON the ignition, with the engine OFF.
Is the scan tool TFT the same as in Step 4?		 Go to Step 7  Go to Step 8 
7 Replace the TCM. Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?		 Go to Step 9  -
8 Replace the TFT sensor. Refer to Valve Body and Pressure Switch Replacement .
Did you complete the replacement?		 Go to Step 9  -
9 Perform the following procedure in order to verify the repair:
  1. Select DTC.
  2. Select Clear Info.
  3. Operate the vehicle under the following conditions:
    • The TFT changes by 3°C (5°F) or greater for 5 seconds.
    • The TFT changes greater than 20°C (36°F) after a predetermined amount of time.
  4. Select Specific DTC.
  5. Enter DTC P0711.

Has the test run and passed?		 Go to Step 10  Go to Step 2 
10 With the scan tool, observe the stored information, capture info and DTC info.
Does the scan tool display any DTCs that you have not diagnosed?		 Go to Diagnostic Trouble Code (DTC) List - Vehicle System OK
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