What is a power transfer unit in a Jeep Cherokee?
The power transfer unit (PTU), an important element of the optional all-wheel-drive system in affected vehicles may not be able to maintain a connection between the transmission and the front wheels. If the PTU fails to engage with the transmission, the Cherokee could lose all power while being driven.
Is the service 4WD light coming on again?
After a few months of ownership, I started having the ‘service 4wd’ light blink on for a few seconds at random times. The dealer flashed the TSB concerning the problem and it went away. A few weeks ago the light started coming on again, concurrently with the ‘traction control off’ light.
Why is there a service 4WD light on my Trailblazer?
Re: “Service 4WD” light on Trailblazer – Possible causes? (Kari) Bad 4wd select switch on the dash. 8 times of of 10. The other 2 times is the control module. Don’t be afraid to drive it, it’s a notice light, not a warning light. GM/ASE Certified Parts Manager.
What to do when your four wheel drive light is on?
If your service light is on or if your four wheel drive system doesn’t seem to be working properly, ask one of our certified technicians to help you diagnose any problems. The most popular service booked by readers of this article is Warning Light is on Inspection.
What was the service 4WD light on my 1997 Blazer?
Not fully engaged the system wore a lot of the front wheel drive parts down and needed to be R&Red.Not cheap. But this was on an 1997 Blazer with Electronic control 4wd, so lets hope they improved the system since then.
After a few months of ownership, I started having the ‘service 4wd’ light blink on for a few seconds at random times. The dealer flashed the TSB concerning the problem and it went away. A few weeks ago the light started coming on again, concurrently with the ‘traction control off’ light.
Re: “Service 4WD” light on Trailblazer – Possible causes? (Kari) Bad 4wd select switch on the dash. 8 times of of 10. The other 2 times is the control module. Don’t be afraid to drive it, it’s a notice light, not a warning light. GM/ASE Certified Parts Manager.
How long does it take to service a Cummins 4WD light?
Stopped by the dealer, picked up the actuator i ordered some time back, R&R’d the actuator, about a 5 minute job. Works great. Got 4 low back, it all works the way it should again.
If your service light is on or if your four wheel drive system doesn’t seem to be working properly, ask one of our certified technicians to help you diagnose any problems. The most popular service booked by readers of this article is Warning Light is on Inspection.