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Home >> Saturn >> 2004 >> Vue Red Line, FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Lock Control System >> Diagnostic Information and Procedures >> DTC B2708 >> Test Description
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Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 2:  Listen for an audible click when the automatic transmission shift lock control solenoid operates. Command both the ON and OFF states. Repeat the commands as necessary.
  2. 3:  Tests the control circuit of the automatic transmission shift lock control solenoid.
DTC B2708

Step Action Yes No
Schematic Reference: Automatic Transmission Shift Lock Control Schematics 
Connector End View Reference:  Body Control System Connector End Views 
1 Did you perform A Diagnostic System Check - Automatic Transmission Shift Lock Control? Go to Step 2  Go to Diagnostic System Check - Automatic Transmission Shift Lock Control 
2 
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, command the shifter unlock parameter output control ON and OFF.
Does the automatic transmission shift lock control solenoid turn ON and OFF with each command?		 Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 
  1. Turn OFF the ignition.
  2. Disconnect the automatic transmission shift lock control solenoid.
  3. Connect a test lamp between the shift lock solenoid control circuit at the connector of the automatic transmission shift lock solenoid and battery voltage.
  4. Turn ON the ignition, with the engine OFF.
  5. With a scan tool, command the shifter unlock parameter output control ON and OFF several times.
Does the test lamp illuminate ON and OFF with each command?		 Go to Step 5  Go to Step 4 
4 Test the control circuit of the automatic transmission shift lock control solenoid for a short to battery voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 9  Go to Step 6 
5 Inspect for poor connections at the harness connector of the automatic transmission shift lock control solenoid. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 9  Go to Step 7 
6 Inspect for poor connections at the harness connector of the body control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 9  Go to Step 8 
7 Replace the automatic transmission shift lock control solenoid. Refer to Automatic Transmission Shift Lock Actuator Replacement .
Did you complete the replacement?		 Go to Step 9  -
8 Replace the body control module (BCM). Refer to Body Control Module Replacement in Body Control System.
Did you complete the replacement?		 Go to Step 9  -
9
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?		 Go to Step 2  System OK
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