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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1356 (Automatic Transmission - Mu5 (Introduction, Service & Replacement)) >> Diagnostic Information and Procedures >> DTC P0717 >> Test Description

Test Description

WARNING: This page is about a different car, the 2004 Pontiac Vibe. 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. 1:  The Powertrain OBD System Check prompts the technician to complete some basic checks and store the freeze frame data on the scan tool if applicable. The scan tool creates an electronic copy of the data taken when the fault occurred. The information then stores in the scan tool for later reference.
  2. 3:  This step tests for input sensor resistance.
  3. 8:  This step checks for intermittents.
DTC P0717

Step Action Value(s) Yes No
Schematic Reference: Automatic Transmission Controls Schematics 
1  Was the On-Board Diagnostic (OBD) System Check performed? - Go to Step 2  Go to Diagnostic System Check - Engine Controls in Engine Controls - 1.8L (LV6)
2
  1. Install a scan tool.
  2. Turn the ignition to ON, leaving the engine OFF.
  3. Perform the scan tool Clear DTC Information function.
  4. Operate the vehicle within the Freeze Frame conditions as observed.
Does the scan tool display any other DTCs in addition to DTC P0717?		 - Go to the applicable DTC table Go to Step 3 
3 
  1. Turn the ignition switch to the LOCK position.
  2. Disconnect the PCM connector.
  3. Check the input speed sensor resistance.
Is the resistance within the specified range?		 560-680 Ω Go to Step 6  Go to Step 4 
4 Inspect all of the electrical connections for poor terminal contact or a poor connection.
Does poor terminal contact or poor connections exist?		 - Go to Step 10  Go to Step 5 
5
  1. Turn the ignition switch to the LOCK position.
  2. Disconnect the input speed sensor connector.
  3. Check the input speed sensor resistance.
Is the resistance within the specified range?		 680-560 Ω @ 20°C (68°F) Go to Step 6  Go to Step 11 
6
  1. Install a known good PCM. Refer to Powertrain Control Module (PCM) Replacement in Engine Controls - 1.8L (LV6).
  2. Perform the DTC Confirmation Procedure.
Does DTC P0717 reset?		 - Go to Step 1  Go to Step 7 
7 Visually check the sensor for damage or foreign material.
Is damage or foreign material present?		 - Go to Step 10  Go to Step 8 
8  Refer to Diagnostic Aids for a possible intermittent condition. If OK, replace the PCM. Refer to Powertrain Control Module (PCM) Replacement in Engine Controls - 1.8L (LV6).
Is the procedure complete?		 - Go to Step 9  -
9
  1. Turn the ignition switch to the LOCK position.
  2. Connect all the connectors.
  3. Perform the DTC Confirmation Procedure.
Does the scan tool display any DTCs?		 - Go to the applicable DTC table System OK
10 Repair as necessary.
Is the system operating properly?		 - System OK Go to Step 2 
11 Replace the input speed sensor.
Is the system operating properly?		 - System OK Go to Step 2 
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