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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1861 (Automatic Transmission - 5AT - DTC P0218 To DTC P0761) >> DTC P0757 >> Test Description

Test Description

WARNING: This page is about a different car, the 2007 Saturn Vue. 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 the transmission fluid to ensure that it is at the proper level.
  2. 4:  During the SS valve 2 operation, listen for an audible click. Command the ON and the OFF states. Repeat the commands as necessary.
DTC P0757

Step Action Yes No
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2  Did you perform the Transmission Fluid Checking Procedure? 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 DTC, use the scan tool in order to record the Freeze Frame and Failure Records. Using the Clear Info function erases the Freeze Frame and Failure Records from the PCM.
  3. Record the DTC Freeze Frame and Failure Records.
  4. Clear the DTC.
  5. Drive the vehicle in 5th gear at speeds above 80 km/h (50 mph).
Does the DTC reset?		 Go to Step 4  Go to Diagnostic Aids
4 
  1. Turn ON the ignition with the engine OFF.
  2. With a scan tool, command the shift solenoid 2 ON and OFF.
Does the SS valve 2 click with each command?		 Go to Step 5  Go to Step 6 
5
  1. Inspect for the following conditions:
    • The pressure regulator valve for being stuck due to sediment or binding
    • The SS valve 2 fluid circuits for leaks
    • The shift valve B for being stuck
    • The shift valve E for being stuck

      Refer to Main Control Valve Body Assembly Overhaul .

  2. Repair any of the above conditions as necessary.
Did you complete the repair?		 Go to Step 7  -
6 Replace the SS valve 2. Refer to Accumulator Valve Body Assembly Overhaul .
Did you complete the replacement?		 Go to Step 7  -
7 Perform the following procedure in order to verify the repair:
  1. Select DTC.
  2. Select Clear Info.
  3. Drive the vehicle in 5th gear at speeds above 80 km/h (50 mph).
  4. Select Specific DTC.
  5. Enter DTC P0757.

Has the test run and passed?		 Go to Step 8  Go to Step 2 
8 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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