Symptoms - Automatic Transmission Shift Lock Control. Pontiac Firebird 2000

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 2000 🢒 Firebird 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E 🢒 Symptoms - Automatic Transmission Shift Lock Control

Important: Review the system description in order to familiarize yourself with the system functions. Refer to Automatic Transmission Shift Lock Control Circuit Description .

•	Inspect for aftermarket devices which could affect the operation of the Automatic Transmission Shift Lock Control System. Refer to Checking Aftermarket Accessories in Wiring Systems.

•	Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

Refer to a symptom diagnostic procedure from the following table in order to diagnose the symptom:

Step	Action	Normal Result(s)	Abnormal Result(s)
1	Turn ON the ignition, with the engine OFF. Depress the brake pedal. Attempt to move the shift lever out of the PARK position.	The transmission shift lever will move out of the PARK position.	Automatic Transmission Shift Lock Control Always On with Ignition in Run
2	Shift to the PARK position. Release the brake pedal. Block the wheels. Attempt to move the shift lever out of the PARK position.	The transmission shift lever will not shift out of the PARK position.	Automatic Transmission Shift Lock Control Inoperative
Refer to the appropriate symptom diagnostic table for further diagnosis.