A no crank or no start condition may develop due to electronic lockup of the wireless control module (WCM), also referred to as the Sentry Key Remote Entry Module (SKREEM). When this module fails the remote keyless entry system will also not operate. The WCM is commonly replaced to correct this concern.Google+
Car Problem Reports
Jeep Liberty Engine Will not Start Due to Wireless Control Module Fault
Jeep Liberty Problem
Average Mileage: 61,146 mi (13,000 mi - 190,000 mi)
I had the exact same problem with my Jeep. When I read what the expert said at the top I thought to myself what do you do with any computer when it locks up. RESET it. I disconnected the battery waited a few seconds and then reconnected it. The car started up without hesitation. I took it straight to the dealership. Told them what Repairpal said and what I had done to fix it. They replaced the WCW and I have not had a problem with it since. Thanks Repairpal!!!!!!
Visitor, 2012 Jeep Liberty, 22,000 mi
Car will not start intermittenly, no crank noise. Dealer says they can't repeat the problem, and the computer does not show anything. I am not happy, bought a new car because I needed a dependable car.
Visitor, 2012 Jeep Liberty, 18,000 mi
Has no crank condition. Been to dealer 3 times & the problem continues.
Visitor, 2011 Jeep Liberty, 59,000 mi
I have the same problem with my 2011 Patriot. Usually on a short (5) min trip to the store or something when I get back in the car it will not start. Then over the next few days it will happen again often randomly but will stop for about another month until it starts doing it again for a few days. I took it to the dealership and they said it didn't produce any errors and since they couldn't get it to replicate they couldn't do anything for it.
Also talked to Jeep customer service and they said the same thing. Absolutely no help at all! They even suggested next time it happens to call a tow truck where they would turn the key and put it in neutral and have it work for them I am sure.
How does this get diagnosed? What test do they need to run because I am sick of it!
Sometimes when I try to start the car I put the key in and turn and nothing, try again and nothing. Try again and it starts. Doesn't happen all the time. Same thing happened at 30,000 miles and they replaced the skeem module for free. Had the car in the shop and it did it again when the service manager was present. Left the care for 2 days and they couldn't repeat the problem. Computer checked out as nothing wrong. Took it home started for 2 days fine, 3rd day same thing happened again. I think it's the skeem module again they think not. I'm confused.
Visitor, 2008 Jeep Liberty, 79,655 mi
Will not crank when cold. dealer diagnosis was a module that they replaced that did NOT fix the problem. still will not crank.
Visitor, 2008 Jeep Liberty, 79,600 mi
Repair still in progress. WCM found not communicating.
Visitor, 2012 Jeep Liberty, 25,000 mi
The same thing - It starts fine for weeks then some times it won't start, and turn the key again and it starts. I took it to dealer and they kept it over night did a cold start in the morning but the problem did not repeat itself. They replaced the starter as a percaution, but it started happen again within a few weeks. Back to the dealer for me.
Visitor, 2005 Jeep Liberty
Same problem. Replaced module still happening
No one can fix because computer says nothing wrong
Expensive to replace without being fixed
Visitor, 2012 Jeep Liberty, 13,000 mi
Recommend Replace WCMF