Tow Haul circuit self activates, have to shut off engine to reset to normal mode.
Oct 20, 2010 at 8:24 PM
Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
Advertisement
BLUELIGHTNIN6
CAR REPAIR CONTRIBUTOR
16,542 POSTS
check the wiring to the tow/haul button on the gear selector. this wire often gets damaged from poor design by GM of the wire having to endure the gear selector moving back and forth from daily use.
Oct 20, 2010 at 8:47 PM
Advertisement
XIRP
MEMBER
4 POSTS
The wire breaks off uder the gear shift boot.Good place to start.