Easy lifehacks

What is the 4×4 code on a Chevy Avalanche?

What is the 4×4 code on a Chevy Avalanche?

In this video I deal with a Chevy Avalanche that arrived with the customer complaint of intermittent no 4X4 operation and a service 4X4 message on the drivers information display. After pulling a code C0378 I look deeper into the 4X4 control system in attempts to locate the cause.

What is the 4 wheel drive trouble code?

In addition to the Service 4 Wheel Drive Message, you may also have a C0387 or a C0569 trouble code stored. 2007–2009 Chevrolet Avalanche, Silverado, Silverado Hybrid, Suburban, Tahoe, Tahoe Hybrid

What are the Bulletin numbers for Chevy Silverado?

Please discard Corporate Bulletin Numbers 02-04-21-006D and 03-04-21-006 (Section 04 – Driveline/Axle). Some customers may comment that the 4WD/AWD indicator lights on the selector switch do not work, or the 4WD/AWD system may be inoperative and/or the service 4WD light is illuminated.

Why does my Tahoe say service 4WD?

Obviously there is something wrong as it still says service 4WD. Z71 Tahoe transfer case makes noise when going down the road. Vehicle jumped while at stoplight, like someone bumped into me. Lifted rear axle,put into 2wd ,while tires start to turn loud noise coming from transfer case and klunking sounds.

What makes the 4WD light come on on a Chevy Tahoe?

The connections within the 4×4 selector switch on the dash go bad and cause the Servvice 4×4 light to come and occasionaly cause unwanted switches from 2wd to 4wd and vice versa….pick up a new switch…$50 and 10mins of install time and the problem is fixed Service 4WD and system stability disabled light come on. Currently working on a solution.

In this video I deal with a Chevy Avalanche that arrived with the customer complaint of intermittent no 4X4 operation and a service 4X4 message on the drivers information display. After pulling a code C0378 I look deeper into the 4X4 control system in attempts to locate the cause.

In addition to the Service 4 Wheel Drive Message, you may also have a C0387 or a C0569 trouble code stored. 2007–2009 Chevrolet Avalanche, Silverado, Silverado Hybrid, Suburban, Tahoe, Tahoe Hybrid

Author Image
Ruth Doyle