CHECK YOUR SPEEDS SENSORS, FIRST THEN MODULES AND WIRING
The check engine light on a 2005 Jeep Grand Cherokee looks like this... Here is a link Check Engine Light It looks like a little yellow engine.
check your alternater
Check the front driveshaft.
The average price of a 2006 Jeep Grand Cherokee can vary depending on the vehicle's condition. The average cost for a used Jeep Grand Cherokee is $9,873.
Check the fuse
That is the check engine light.
If your Jeep grand Cherokee Snatches when you are driving, kindly take it to a professional mechanic to check it out for you.
I know the Cherokee does. If the Grand Cherokee does, check the diagrahm on the fuse panel cover. or owners manual.
Check the battery.
Check the fluid.
Check on www.kbb.com
The check engine light on a 2005 Jeep Grand Cherokee looks like this... Here is a link Check Engine Light It looks like a little yellow engine.
what is the max resistance on a 4.7 grand jeep cherokee coil pack
did you check the speedometer gear in the tranny?
With a scan tool.
check the crankshaft sensor
(check related link)