Codeswere cleared and here I am now doing research on what the cause could be. The first results I found were these 2 videos from a Chrysler Dodge Jeep dealer. Thomson, GA - 2012 Chrysler 300 5.7 Liter Check Engine Codes P000B and P0016 - YouTube Thomson, GA - 2012 Chrysler 300 5.7 Liter Oil Control Valve Revised Theonly way to test the voltage regulation is to place a voltmeter across the battery terminals while the Jeep is idling. Should be anywhere from the high 13's to 14.8 volts DC, typically volts DC. 2000 XJ 4.0 2door Upcountry | '18 Grand Cherokee TrailHawk V6 | '16 F150 FX4 Coyote V8. *Anything is easy once you know how to do it*. A2012 Jeep Grand Cherokee’s max towing capacity falls between 5,000 and 7,400 lbs, but ultimately depends on the engine and drivetrain—click here to learn more. is only available with a 6.4L V8 engine —any 2012 Jeep Grand Cherokee submodel may be equipped with the larger 5.7L V8 HEMI engine. 2012Grand Cherokee Overland. Save Share. Reply Quote. Current: 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6 Previous: 2000 Grand Cherokee Laredo I6, 1979 CJ7 I6 Quadratrac Previously owned jeeps: '13 GC Summit w/Hemi '06 GC Limited w/4.7L V8 '98 GC Limited w/5.2L V8. Save Share. Reply Quote. HiGuys, I had the 4WD SERV light come on and found some great information on here to fix the issue, I was originally getting the following codes: C2221-00 - ELSD DTC present - Stored. C1490-00 - MaximumAlternator Capacity (amps) 160. Cold Cranking Amps @ 0° F (Primary) 700. SAE Net Horsepower @ RPM. 290 @ 6400. Engine Type. Gas/Ethanol V6. SAE Net Torque @ RPM. The2012 Jeep Grand Cherokee Overland 5.7 Hemi’s engine might overheat during extended idling or hot weather, risking damage. Prevent issues with regular cooling system checks – coolant, radiator, and cooling fan maintenance. Oil Consumption Concerns: Some 2012 Jeep Grand Cherokee Overland 5.7 Hemi owners note excessive oil use. 2 Open the Hood - How to pop the hood and prop it open. 3. Remove Transmission Fluid Cap / Dipstick - Access point for transmission fluid. 4. Transmission Fluid Check Level - Read dipstick or look at check plug hole to determine transmission fluid level. 5. Add Transmission Fluid - Determine correct fluid type and add fluid. Correctcoolant. I have a 2012 Jeep Grand Cherokee with the V8 Hemi engine and need to know what type of Mopar antifreeze to use. A Jeep maintenance website I follow says to use Part 68048953 AB for the 2011-2012 models ( Mopar HOAT coolant ) The coolant in the vehicle now is orange in color. I went to the dealer today, told Sobasically I was driving and noticed my 2012 Jeep Grand Cherokee Limited V8 5.7 L 4WD just shifted into 4th gear by itself. Now it is stuck in 4th gear and I cannot get out of it. Took it to a auto repair shop and told me that a code P0750 comes up and has to deal with my solenoids. Went to a STS to check it out and they dont know omhPuL.