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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. 3:  This step verifies that the PCM is providing voltage to the shift solenoid valve 1.
  2. 4:  This step tests for an open or short to another circuit within the transmission.
  3. 5:  This step tests for short voltage to the shift solenoid valve 1.
  4. 6:  This step tests for an open in the shift solenoid valve 1 high control circuit.
DTC P0974

Step Action Yes No
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2
  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 Freeze Frame and Failure Records for reference. The Clear Info function will erase the data.
  3. Record the DTC Freeze Frame and Failure Records.
  4. Clear the DTCs.
  5. With a scan tool observe the Shift Sol. 1 CKT Status parameter.
Does the Shift Sol. 1 CKT Status parameter display OK?		 Go to Diagnostic Aids In This Test Go to Step 3 
3 
  1. Turn OFF the ignition.
  2. Disconnect the transmission inline 5-way connector.
  3. With a test lamp connected to a good ground, probe the shift solenoid valve 1 control circuit on the engine side of the inline 5-way connector.
  4. Turn ON the ignition, with the engine OFF.
Does the test lamp illuminate for 1 second?		 Go to Step 4  Go to Step 5 
4  Test the shift solenoid valve 1 internal transmission harness high control circuit for an open or short to another circuit. Refer to Testing for Continuity .
Did you find a condition?		 Go to Step 10  Go to Step 8 
5  Does the test lamp remain illuminated? Go to Step 7  Go to Step 6 
6  Test the shift solenoid valve 1 control circuit for an open. Refer to Testing for Continuity and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 13  Go to Step 9 
7 Test the shift solenoid valve 1 high control circuit for a short to voltage. Refer to Testing for a Short to Voltage and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 13  Go to Step 9 
8 Inspect for poor connections at the shift solenoid valve 1. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 13  Go to Step 11 
9 Inspect for poor connections at the PCM harness connector. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 13  Go to Step 12 
10 Replace the transmission internal solenoid harness. Refer to Transmission Wiring Harness Extension Replacement .
Did you complete the repair?		 Go to Step 13  -
11 Replace the shift solenoid valve 1. Refer to Accumulator Valve Body Assembly Overhaul .
Did you complete the replacement?		 Go to Step 13  -
12
IMPORTANT: Always perform the PCM set up procedure.
  1. Replace the PCM. Refer to Control Module References for replacement, setup, and programming.
  2. Perform the PCM set up procedure.
Did you complete the replacement?		 Go to Step 13  -
13 Perform the following procedure in order to verify the repair:
  1. Select DTC.
  2. Select Clear Info.
  3. Idle the engine in PARK for 10 seconds.
  4. Select Specific DTC.
  5. Enter DTC P0974.

Has the test run and passed?		 Go to Step 14  Go to Step 2 
14 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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