Auto locks are not working, shifter stuck in park?

Tiny
1BRAD1
  • MEMBER
  • 2003 CHEVROLET BLAZER
  • 4.3L
  • V6
  • 4WD
  • AUTOMATIC
  • 133,000 MILES
Having issues with dome light not working, auto locks are not working, shifter stuck in park and rear lift glass buttons power can’t hear clicking
Wednesday, December 24th, 2025 AT 9:31 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,877 POSTS
Yep, this happens when one or more fuse is blown, here is a guide to help you do the tests, (key on) please check for power on both sides of the fuses. Her
e is the ones I would check first.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Driver-side dash fuse panel

CTSY LP / DOME (10A)
BCM / BODY (10A or 15A)
LOCKS (20A)
STOP (15A) - important for shift interlock

Underhood fuse box

IGN 0 / IGN A
BCM
PWR ACCY

Let me know what happens. Ken

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Friday, December 26th, 2025 AT 9:37 AM

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