Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Subaru B9 Tribeca BaseFACTORY OEM SERVICE PROCEDURE
Shift Lock Operation
DIAGNOSIS PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
1 CHECK SHIFT LOCK.
|
While brake pedal is not depressed, is it possible to move the select lever from the "P" range to other ranges? | Inspect "SELECT LEVER CANNOT BE SHIFT LOCKED". < Refer to SELECT LEVER CANNOT BE SHIFTED , INSPECTION, AT SHIFT LOCK CONTROL SYSTEM. > | Go to step 2. |
| 2 CHECK SHIFT LOCK. | While brake pedal is depressed, is it possible to move the select lever from the "P" range to other ranges? | Go to step 3. | Inspect "SELECT LEVER SHIFT LOCK CANNOT BE RELEASED". < Refer to SHIFT LOCK OF SELECT LEVER CANNOT BE RELEASED. , INSPECTION, AT SHIFT LOCK CONTROL SYSTEM. > |
| 3 CHECK KEY INTERLOCK. | Can the ignition switch be turned to the "LOCK" position when the select lever is set to other than "P" range? | Go to step 4. | Go to step 5. |
| 4 CHECK BACKUP POWER SUPPLY. Inspect the backup power supply circuit. < Refer to BODY INTEGRATED UNIT POWER SUPPLY AND GROUND CIRCUIT , INSPECTION, AT SHIFT LOCK CONTROL SYSTEM. > |
Is the backup power supply circuit operating properly? | Inspect for "KEY INTERLOCK CANNOT BE LOCKED OR RELEASED". < Refer to SHIFT LOCK OF SELECT LEVER CANNOT BE RELEASED. , INSPECTION, AT SHIFT LOCK CONTROL SYSTEM. > | Repair the backup power supply circuit. |
| 5 CHECK KEY INTERLOCK. | Can the ignition switch be turned to the LOCK position when the select lever is set to the "P" range? | AT shift lock system is normal. | Inspect for "KEY INTERLOCK CANNOT BE LOCKED OR RELEASED". < Refer to SHIFT LOCK OF SELECT LEVER CANNOT BE RELEASED. , INSPECTION, AT SHIFT LOCK CONTROL SYSTEM. > |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.