Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Shift Lock Control Schematics Connector End View Reference: Computer/Integrating Systems Connector End Views in Computer/Integrating Systems 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 Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 |
Does the shift lever move out of the PARK position? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
3 |
Does the scan tool display a LOW status for the brake to shift parameter? | Go to Step 5 | Go to Step 4 |
4 | With a scan tool observe the Brake Switch parameter in the engine control module (ECM) / powertrain control module (PCM) data list. Does the scan tool display an Released status for the brake switch parameter? | Go to Step 9 | Refer to Diagnostic Starting Point - Lighting Systems in Lighting Systems |
5 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 10 |
6 |
Does the test lamp turn ON and OFF with each command? | Go to Step 8 | Go to Step 7 |
7 | Test the controlled ground circuit of the automatic transmission shift lock control solenoid for an open or short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 9 |
8 | 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 in Wiring Systems. Did you find and correct the condition? | Go to Step 13 | Go to Step 11 |
9 | Inspect for poor connections at the harness connector of the 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 13 | Go to Step 12 |
10 | Repair the open or short to ground in the automatic transmission shift lock control solenoid voltage supply circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 13 | -- |
11 | Replace the automatic transmission shift lock control solenoid. Refer to Automatic Transmission Shift Lock Control Actuator Replacement . Did you complete the repair? | Go to Step 13 | -- |
12 |
Important: Perform the setup procedure for the BCM. Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the repair? | Go to Step 13 | -- |
13 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |