Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: Transmission shift lever does not lock in the PARK position with the ignition ON and the brake pedal not depressed. | ||||
1 | Did you perform the Auto Trans Shift Lock Control System Diagnostic System Check? | -- | Go to Step 2 | Go to Diagnostic System Check - Automatic Transmission Shift Lock Control |
2 |
Does the test lamp illuminate? | -- | Go to Step 3 | Go to Step 7 |
3 |
Does the test lamp turn ON and OFF with the brake pedal? | -- | Go to Step 4 | Go to Step 10 |
4 |
Does the test lamp illuminate? | -- | Go to Step 5 | Go to Step 8 |
5 |
Does the test lamp illuminate? | -- | Go to Step 12 | Go to Step 6 |
6 |
Does the test lamp illuminate? | -- | Go to Step 9 | Go to Step 14 |
7 | Repair the open in the automatic transmission shift lock control switch power feed circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 16 | -- |
8 | Repair the open in the automatic transmission shift lock control switch signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 16 | -- |
9 | Repair the open in the controlled ground circuit of the automatic transmission shift lock control solenoid. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 16 | -- |
10 |
Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 11 |
11 | Replace the automatic transmission shift lock control switch. Refer to Stop Lamp Switch Replacement in Hydraulic Brakes. Did you complete the replacement? | -- | Go to Step 16 | -- |
12 | Inspect for poor connections at 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 16 | Go to Step 13 |
13 | Replace the automatic transmission shift lock control solenoid. Refer to Transmission Control Replacement (if equipped with console shift) or Automatic Transmission Shift Lock Control Disassemble - Off Vehicle in Steering Wheel and Column - Tilt (if equipped with column shift). Did you complete the replacement? | -- | Go to Step 16 | -- |
14 | Inspect for poor connections at the body control module (BCM). 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 16 | Go to Step 15 |
15 | Replace the body control module (BCM). Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | -- | Go to Step 16 | -- |
16 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
