Service four wheel drive, code C0379

Tiny
REED MORRIS
  • MEMBER
  • 2004 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 400,000 MILES
Service four wheel come on and stays on. Four wheel will not work. I have replaced control switch and front axle shift actuator. Code c0379 comes up. Help please!
Wednesday, April 10th, 2019 AT 4:36 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Hello,

There is a ground wire that goes bad on these. to be sure here is a guide and the wiring diagrams so you can test the connections:

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
Was this
answer
helpful?
Yes
No
Friday, April 12th, 2019 AT 10:51 AM

Please login or register to post a reply.

Sponsored links