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Test Description

WARNING: This page is about a different car, the 2007 Saturn Ion 3 and 2007 Saturn Ion 2. 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:  Listen for an audible click when the A/T shift lock control solenoid operates. Command both the ON and OFF states. Repeat the commands, as necessary.
  2. 3:  This step tests for voltage at the command voltage circuit of the A/T shift lock control solenoid.
  3. 5:  This step tests if ground is constantly being applied to the A/T shift lock control solenoid.
DTC B2709

Step Action Yes No
Schematic Reference: Shift Lock Control Schematics 
Connector End View Reference: Data Communication Connector End Views
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. With a scan tool, command the brake to shift relay output control ON and OFF.
Does the automatic transmission (A/T) shift lock control solenoid turn ON and OFF with each command?		 Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3 
  1. Turn OFF the ignition.
  2. Disconnect the A/T shift lock control solenoid.
  3. Connect a test lamp between the shift lock solenoid control circuit at the connector of the A/T shift lock solenoid and a good ground.
  4. Turn ON the ignition, with the engine OFF.
  5. With a scan tool, command the brake to shift relay 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 A/T shift lock control solenoid for an open or high resistance. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 10  Go to Step 7 
5  Test the A/T shift lock control solenoid ground circuit for an open. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?		 Go to Step 10  Go to Step 6 
6 Inspect for poor connections at the harness connector of the A/T shift lock control solenoid. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 10  Go to Step 8 
7 Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 10  Go to Step 9 
8 Replace the A/T shift lock control solenoid. Refer Shift Lock Solenoid/Switch Assembly Replacement .
Did you complete the replacement?		 Go to Step 10  -
9 Replace the BCM. Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?		 Go to Step 10  -
10
  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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