Transmission interlock system

2004 PONTIAC GRAND AM
32,000 MILES • 4 CYL • 2WD • AUTOMATIC
Avatar
GENE120
  • MEMBER
  • 1 POST
have a 2004 pontiac Gran am that has the transmission locked in park. Will not release by conventional means or the alternate means of turning the key to accessory and taking the switch out of the system. is it possible for a low battery to cuse this problem. the battery is the origion battery in the wehicle and has 32000 miles on the vehicle
Dec 19, 2010 at 7:59 AM
Advertisement
Avatar
KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
The interlock system is preventing the shifter from being shifted out of park. Check the brake lights. Interlock solenoid needs the brake lighst to work.

The only way the battery is going to affect this is when it is too weak to activste the interlock solenoid to release the shifter.
Dec 19, 2010 at 8:57 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle