Park Lock Solenoid Inoperative
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Park Lock Solenoid Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Automatic Transmission Shift Lock Control Schematics Connector End View Reference: Automatic Transmission Shift Lock Control Connector End Views or Automatic Transmission Related Connector End Views DEFINITION: Transmission shift lever does not lock in the PARK position with the ignition OFF. |
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| 1 | Did you perform the Symptoms - Automatic Transmission Shift Lock Control tests and perform all the necessary inspections? | Go to Step 2 | Go to Symptoms - Automatic Transmission Shift Lock Control |
| 2 |
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Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections |
| 3 | Connect a test lamp between the park lock solenoid ignition 1 voltage circuit and a good ground. Does the test lamp illuminate? |
Go to Step 5 | Go to Step 4 |
| 4 | Inspect for poor connections at the harness connector of the park lock 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 7 | Go to Step 6 |
| 5 | Repair the short to battery positive voltage in the park lock solenoid ignition 1 voltage circuit. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you complete the repair? |
Go to Step 7 | - |
| 6 | Replace the park lock solenoid. Refer to Floor Shift Control Replacement
in Automatic Transaxle 4L60-E. Did you complete the repair? |
Go to Step 7 | - |
| 7 | Operate the system in order to verify the repair. Did you find and correct the condition? |
System OK | Go to Step 2 |