LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 138 (Shift Interlock System) >> Diagnostic Information and Procedures >> Shift Lever Does Not Move with Brake Pedal Depressed

Shift Lever Does Not Move with Brake Pedal Depressed

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Shift Lever Does Not Move with Brake Pedal Depressed

Step Action Yes No
Schematic Reference: Shift Lock Control Schematics 
Connector End View Reference: Shift Lock Control Connector End Views 
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2
  1. Turn ON the ignition, with the engine OFF.
  2. Apply the parking brake and block the wheels.
  3. Press and hold the brake pedal.
  4. Attempt to move the shift lever out of the PARK position.
Does the shift lever move out of the PARK position?
Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3
  1. Turn OFF the ignition.
  2. Install and scan tool.
  3. Turn ON the ignition, with the engine OFF.
  4. Press and release the brake pedal several times while observing the Shift Lock Solenoid Command parameter in the body control module (BCM) data list.
Does the scan tool display On and Off status?
Go to Step 4  Go to Step 6 
4
  1. Turn OFF the ignition.
  2. Disconnect the electrical connector of the automatic transmission shift lock control solenoid.
  3. Turn ON the ignition, with the engine OFF.
  4. Press and hold the brake pedal.
  5. Attempt to move the shift lever out of the PARK position.
Does the shift lever move out of the PARK position?
Go to Step 5  Go to Step 7 
5 Test the control circuit of the automatic transmission shift lock control solenoid for a short to battery positive voltage. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 11  Go to Step 8 
6 Press and release the brake pedal several times while observing the BPP Circuit Signal parameter in the engine control module (ECM) data list.
Does the Scan tool display Applied and Released status of the parameter?
Go to Step 8  Go to Stop Lamps Inoperative
7 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 .
Did you find and correct the condition?
Go to Step 11  Go to Step 9 
8 Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
Go to Step 11  Go to Step 10 
9 Replace the automatic transmission shift lock control solenoid. Refer Automatic Transmission Shift Lock Actuator Replacement .
Did you complete the replacement?
Go to Step 11  -
10 Replace the BCM. Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 11  -
11
  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