When does the service 4WD message come up?
Does the “SERVICE 4WD” message come up as soon as you start the truck, or does it only activate after you try to select a mode other than 2 Hi?
When to reset service 4 wheel drive message?
2007–2009 Chevrolet Avalanche, Silverado, Silverado Hybrid, Suburban, Tahoe, Tahoe Hybrid When the trouble codes are stored and the Service 4 Wheel Drive Message is displayed, the transfer case is inoperative for the rest of that particular key cycle. It will test again and reset the message on the next key cycle if the problem hasn’t been fixed.
What happens when service 4 wheel drive trouble codes are stored?
When the trouble codes are stored and the Service 4 Wheel Drive Message is displayed, the transfer case is inoperative for the rest of that particular key cycle. It will test again and reset the message on the next key cycle if the problem hasn’t been fixed. The codes may be stored with or without you requesting a transfer case shift.
What is the GM 4 wheel drive Bulletin?
GM has issued a service bulletin # 09-04-21-001 to address a Service 4 Wheel Drive Message condition on the vehicles listed below. 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
Does the “SERVICE 4WD” message come up as soon as you start the truck, or does it only activate after you try to select a mode other than 2 Hi?
Where do I find the service all wheel drive message?
The Service All-Wheel Drive message can appear in the driver information center (DIC) when your vehicle is having an issue with the all-wheel drive (AWD) system.
Why is my service 4WD indicator not working?
If the wires are broken, the actuator won’t operate and the actuator won’t move. If it does not move to the proper position, the buttons on the dash will blink and the “Service 4WD” indicator will be lit because the TCCM never sees a complete 4WD engagement. The ground wire to my front axle actuator was the culprit on my truck.
Is it possible to service a 4WD vehicle?
4WD and AWD drivetrains have become increasingly popular and vehicle populations continue to rise that feature traction-controlled all-wheel-drive technology. Familiarity with and the ability for your shop to service these vehicles is a major factor in terms of your shop’s capabilities and bottom line.