Fcw unavailable service required jeep grand cherokee

Meanwhile, Forward Collision Warning alerts drivers if a frontal collision seems imminent, providing crucial seconds to react. Both systems rely heavily on sensors and cameras to function correctly. The "ACC FCW Unavailable Service Required" message typically surfaces when these systems encounter a problem, often related to their sensors.

Fcw unavailable service required jeep grand cherokee. Hello I am intermittently receiving the following errors on my 2015 Jeep Grand Cherokee. "ACC/FCW Service Unavailable" followed by "4WD System Service Required" and then the yellow traction control light. These errors can pop up 5 min into the drive or 60 min into the drive.

ACC does work well if it is used as Jeep recommends, but Forward Crash Warning (FCW) is untrustworthy, from my personal experience. 2014 Jeep Grand Cherokee Overland 3.6L 4x4; Quadra-Lift II; ORA II; Advanced Technology Group. Built April 2013. At 41,000 miles transmission valve body assembly replaced under warranty.

To adjust the Forward Collision Warning settings in your Jeep Grand Cherokee, follow these steps: On the center screen of your Jeep Grand Cherokee, locate and tap the “Vehicle” option on the bottom category bar. In the top right corner of the screen, you will find the “Settings” option. Tap on it to proceed. From the left menu, select ...22 posts · Joined 2017. #1 · May 10, 2018. Getting the following two errors on startup: - FCW Unavailable Service Required. - Service Electronic Stability Control. Approximately 3,500 miles on the car. Will take it to dealer as soon as I can get a service appointment.ACC/FCW Limited Functionality...Service Required. 2015 Jeep Grand Cherokee Overland. 201000. I have it for sale to a - Answered by a verified Jeep Mechanic. ... Service 4WD system and ACC/ FCW unavailable service system. All started showing up together. Every time I turn the car on.Aug 24, 2016 · MeatheadsJSRT said: I've only had my Jeep for two weeks, and I ran into many of these codes on the trip home last night. Service 4WD. Service ACC. Traction control light stays on. Extremely angry. I'm sure you have had this fixed by now, but mine did the same thing on my home from dealer. They replaced a wheel speed sensor and all has been good.Serv 4WD light in Jeep will turn on for the following reasons. The front and rear axle is damaged. The wheel speed sensor is malfunctioning. The 4WD fuses are loose. The transfer case motor has become defective. The gear shifting is not happening properly. The 4WD system is malfunctioning. However, to solve this issue you need to replace some ...

FCW and ACC are two different systems that use the same camera. I've only had FCW trigger a few times, but it lets you get closer than I am comfortable with. I've …One example is on page 219 of the manual that says, "If the system turns off, and the EVIC displays: *ACC/FCW Unavailable Service Required *Cruise/FCW …ACC/FCW Inaccessible Service Required; Car driven in poor weather conditions: During unfavorable weather, thee might gets an unavailable serving warning starting your vehicle. Let’s see the reasons press solution to it-Grounds: When the weather is adversarial, it is very common to get the ACC/FCW Unavailable Service Required in your jeep.May 8, 2024 · Six years ago, I bought a brand new 2018 Grand Cherokee Overland High Altitude, pretty much top of the line, all the bells and whistles. Cost me a pretty penny. I don't do all that much driving, I only have about 65,000 now in 2024. The last 2 years, I feel like just about everything in the truck has gone bad. February 2024 - Oil Filter Housing ...Nov 25, 2011 · 169 posts · Joined 2010. #8 · Dec 23, 2011. I have been having an intermittent problem with the FCW/ACC/TPMS. Occasionally when I start the Jeep it shows FCW/ACC unavailable and a message pops up to service TPMS. The stability control off and the brake light are also illuminated. Jeep drives fine with no other issues.Service 4WD Warning Light — If Equipped This warning light will illuminate to signal a fault with the 4WD system. If. the light stays on or comes on during. driving, it means that the 4WD system is not functioning properly and that service is required. We recommend you drive to the nearest service center and have the vehicle serviced immediately.84 CJ 4 cylinder / 87 Wrangler YJ / 98 Grand Cherokee ZJ / 89 Cherokee XJ Limited Currently own 2000 Wrangler TJ & will be keeping it I ordered my 6th Jeep 03/29/18 Delivery 05/14/18 2019 Trailhawk KL Elite (27L PACKAGE) , 3.2L V6 (EHK) , Bright White (PW7) , Black Wheels (WBG) , Technology group (ADG) , Trailer Tow group (AHT) , (2) Viofo Dash ...

This most often occurs at times of poor visibility, such as in snow or heavy rain. The ACC system may also become temporarily blinded due to obstructions, such as mud, dirt or ice. In these cases, the instrument cluster display will display “ACC/FCW Unavailable Wipe Front Radar Sensor” and the system will deactivate.Six years ago, I bought a brand new 2018 Grand Cherokee Overland High Altitude, pretty much top of the line, all the bells and whistles. Cost me a pretty penny. I don't do all that much driving, I only have about 65,000 now in 2024. The last 2 years, I feel like just about everything in the truck has gone bad. February 2024 - Oil Filter Housing ...Service FCW Warning. If the system turns off, and the EVIC displays: ACC/FCW Unavailable Service Required; Cruise/FCW Unavailable Service Required; This indicates there is an internal system fault. Although the vehicle is still drivable under normal conditions, have the system checked by an authorized dealer.The “ACC FCW Unavailable Service Required” message typically surfaces when these systems encounter a problem, often related to their sensors. Reasons for …

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Had a situation 2 weeks ago in the Outer Banks (NC) driving on the beach in sand mode. About 15 minutes into my ride I had the Service 4x4 and ESC messages appear with the ACC/FCW unavailable warning lights. I went to the dealership this morning to see if they could help. They indicated without any codes to pull, there was nothing they can do ...The FCW button is located in the Uconnect display in the control settings. To turn the FCW system on, press the forward collision button once. To turn the FCW system off, press the forward collision button once. NOTE: When the FCW is “on”, this allows the system to warn the driver of a possible collision with the vehicle in front.Thread starter. #1. About 3 hours into a 4.5 hour drive I noticed the icons indicating that both ACC and Cruise was unavailable. I tried to use both and received …Feb 21, 2022 · Vehicle: 2015 JGC SRT. Getting the following message when started: "Blind Spot Detection Unavailable: Service Required". Read the codes and got the following: U0232. Step 1: I swapped the sensors …Jeep Platform Discussion. WK2- Grand Cherokee (2011-2021/22 WK) ... Service 4WD then ACC/FCW unavailable. Jump to Latest Follow ... Liberty and Grand Cherokee. Show Less . Full Forum Listing. Explore Our Forums. WK2- Grand Cherokee (2011-2021/22 WK) ...

Jul 6, 2023 · To adjust the Forward Collision Warning settings in your Jeep Grand Cherokee, follow these steps: On the center screen of your Jeep Grand Cherokee, locate and tap the “Vehicle” option on the bottom category bar. In the top right corner of the screen, you will find the “Settings” option. Tap on it to proceed. From the left menu, select ...Jul 23, 2018 · Dash lights up ACC/FCW UNAVILABLE WIPE FRONT SENSOR code n car is c14a5-00. did you get the code. Jeep has code c14a5-00. Jeep Mechanic: Brad.The interior lights not turning off of a 2018 Jeep Grand Cherokee is caused by a failed wiring harness. It is located from the door of the Jeep to the body. When the ground wire gets torn apart or broken, it impacts the interior lights. Also, the passenger side wires can affect the lights if they’re damaged.Had a situation 2 weeks ago in the Outer Banks (NC) driving on the beach in sand mode. About 15 minutes into my ride I had the Service 4x4 and ESC messages appear with the ACC/FCW unavailable warning lights. I went to the dealership this morning to see if they could help. They indicated without any codes to pull, there was nothing they can do ...Jul 23, 2017 · WK2 -Trouble Shooting/Problems/Service Parksense unavailable after TSB Updates ... 2014 Jeep GC Overland, V6, Black/Indigo 2017 Jeep Renegade Latitude, 2.4L, Anvil. Save Share. ... Jeep Garage is where you can talk about all your favorite jeeps including the Cherokee, Liberty and Grand Cherokee. Show Less . Full Forum Listing. …Modern versions of the Jeep include the Grand Cherokee, Wrangler, Compass, Patriot and Renegade. There have been many different model types of Jeep produced since its invention dur...Unfortunately, less than 5 days after I bought it I got an indicator of "ACC/FCW Unavailable Service Required". Automatic Cruise Control and Forward Collision Warning were two of the biggest reasons I bought the car after my accident. ... My 2021 Jeep Cherokee 80th anniversary edition came up with the FCW code and won't allow the vehicle to run ...While most would assume that Spanish is the most popular non-English language in the US, most wouldn't be able to guess the number 3 in California. The US is a country full of lang...ACC/FCW unavailable service required is showing on dash. Just started this morning. 2014 SRT. My hubby will prob fix it ... Hello I am intermittently receiving the following errors on my 2015 Jeep Grand Cherokee. "ACC/FCW Service Unavailable" followed by "4WD System Service Required" and then the yellow traction control li ...

Mechanic's Assistant: Im sorry to hear about the ongoing issues with your FCW/ACC system on your 2015 Grand Cherokee, but our Jeep Mechanic will be able to help you diagnose and resolve this problem. Have you noticed any other issues or warning lights on the instrument cluster besides the FCW / ACC system unavailable / maintenance required message?

FCW Limited Warning. If the Jeep’s dashboard displays a message saying “Automatic Emergency Braking (AEB) Limited Service Required” or “Limited Functionality Clean Front Windshield,” it means …Jeep Platform Discussion. WK2- Grand Cherokee (2011-2021/22 WK) WK2 - Grand Cherokee Ecodiesel 3.0 ... ACC/FCW unavailable. ... Jeep Garage is where you can talk about all your favorite jeeps including the Cherokee, Liberty and Grand Cherokee. Show Less . Full Forum Listing. Explore Our Forums.FCW Unavailable Service Required/Service Electronic Stability Control. ... I have a 2020 Grand Cherokee SRT (6.4L not the trackhawk). I started getting "service FCW, ACC and ESC" all at the same time. It started as a sporadic issue and hard to duplicate, but now it's becoming a daily issue. ...I followed the detailed procedure on the ramforum using AlphaOBD to connect to the new ECU, write all 6 injector codes and the new VIN. Exited out of AlphaOBD, turned the vehicle off for 5 minutes, turned it back to run and here's what I get; the dash flashes "Service Air Suspension System" and "Cruise/FCW unavailable Service Required".Hello I am intermittently receiving the following errors on my 2015 Jeep Grand Cherokee. "ACC/FCW Service Unavailable" followed by "4WD System Service Required" and then the yellow traction control light. These errors can pop …The service electronic stability control Jeep Grand Cherokee warning light might always be on if the steering angle sensor is damaged, misaligned, or …The "ACC/FCW Limited Functionality Clean Front Windshield" warning will display and a chime will sound when conditions temporarily limit system performance. This most often occurs at times of poor visibility, such as in snow or heavy rain and fog. The ACC system may also become temporarily blinded due to obstructions, such as mud, dirt, or ...Nov 2, 2019 · AussieJeep2015. 1 post · Joined 2022. #39 · Oct 1, 2022 (Edited) 2015 Overland same faults, ACC/FCW Fails and Service 4WD System. Other fault, clicking and thump noise when in reverse and accelerating from stop. Have ordered a TCM and Transfer Case Motor, putting in this week. Will update if it fixes.

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Hello. 2014 Jeep Grand Cherokee Summit. THe stability control light is stuck on the dashboard (geen squiggly lights) even though I didn't turn off the stability control/ In the center control panel I get a page that says "ACC/ FCW Not Available, needs service". The Cruise control does not work and a light flashes when you try to engage it.Today the 4WD System Unavailable Service Required message popped up on the console. I attached my ODB2 tool and saw zero codes pop up. I found some random forums that talked about fuses, so I got the multimeter out and confirmed every fuse under the hood is working. I read about some Grand owners that had success pulling a few fuses and ..."ACC/FCW limited functionality service required" Jump to Latest Follow ... 2019 Jeep Cherokee Trailhawk Elite V6 stock wheels tires and suspension . Attachments. IMG_20200430_094113.jpg. 1.3 MB Views: 1,073. See less See more 1 Save Share. Like. Sort by ...84 CJ 4 cylinder / 87 Wrangler YJ / 98 Grand Cherokee ZJ / 89 Cherokee XJ Limited Currently own 2000 Wrangler TJ & will be keeping it I ordered my 6th Jeep 03/29/18 Delivery 05/14/18 2019 Trailhawk KL Elite (27L PACKAGE) , 3.2L V6 (EHK) , Bright White (PW7) , Black Wheels (WBG) , Technology group (ADG) , Trailer Tow group (AHT) , (2) Viofo Dash ...Service FCW Warning. If the system turns off, and the EVIC displays: ACC/FCW Unavailable Service Required; Cruise/FCW Unavailable Service Required; This indicates there is an internal system fault. Although the vehicle is still drivable under normal conditions, have the system checked by an authorized dealer.Jul 4, 2023 · Blind Spot Alert Unavailable Service Required. Today I stupidly managed to reversed the Jeep into my Truck and hit the Passenger (USA) side rear bumper. The Red light popped out but there was no other visible damage, not even a scratch. So i thought all was well til I started the Jeep back up again and had the above warning pop up on start …Summary of Contents for Jeep GRAND CHEROKEE WK 2022. Page 1 2 02 2 GRAND CH E RO KEE WK OWNE R’ S M ANUAL... Page 2 This Owner’s Manual illustrates and describes the operation of features and equipment that are either standard or optional on this vehicle. This manual may also include a description of features and equipment that …Jeep Platform Discussion. WK2- Grand Cherokee (2011-2021/22 WK) ... Service 4WD then ACC/FCW unavailable. Jump to Latest Follow ... Jeep Garage is where you can talk about all your favorite jeeps including the Cherokee, Liberty and Grand Cherokee. Show Less . Full Forum Listing. Explore Our Forums.ACC/FCW unavailable service required is showing on dash. Just started this morning. 2014 SRT. My hubby will prob fix it - Answered by a verified Jeep Mechanic ... Hello I am intermittently receiving the following errors on my 2015 Jeep Grand Cherokee. "ACC/FCW Service Unavailable" followed by "4WD System Service Required" and then the yellow ...Jun 7, 2015 · 2014 Jeep Grand Cherokee probed by NHTSA for brake problems Sent from my iPad using JeepGarage . Save Share. Like. ... the set speed will increase a few increments and then the ACC will cut out and "ACC/FCW Unavailable, may need service" or something like that pops up in the screen. It doesn't always happen either, maybe 1-2 … ….

Jun 30, 2020 · Here is the breakdown: OEM Windshield (jeep graphics) Lists for $869.70 but Safelite discounted it to a selling price of $278.30, Labor $108.50, kit parts $18.00, Re-calibration Dynamic (Safety Group) $200.00, Cleaning $15.00, taxes $24.00. So the final insurance cost was $643.80. (And it did take them over an hour to do the work properly)...Feb 15, 2022 · WK2- Grand Cherokee (2011-2021/22 WK) WK2 -Trouble Shooting/Problems/Service. ACC/FCW unavailable. Wipe front radar sensor. Jump to Latest Follow. 3K views 2 replies 3 participants last post by LongJohns Oct 4, 2022. hermvh Discussion starter. 1 post · Joined 2022.21989 posts · Joined 2009. #2 · Oct 6, 2021. The front RADAR sensor is in the grill. The video camera in the mirror is used to reduce false collision warnings, has nothing to do with ACC. I don't recall the resolution of plant mode. If no one jumps in here by the time I get back, I'll try to take a look.The FCW button is located in the Uconnect display in the control settings. To turn the FCW system on, press the forward collision button once. To turn the FCW system off, press the forward collision button once. NOTE: When the FCW is "on", this allows the system to warn the driver of a possible collision with the vehicle in front.Also I get (Cruise/FCW Unavailable. Service required) Active Diagnostic codes gives me U0151 but some times it doesn't show anything . PLZ Help Sent from my Nexus 5 using Tapatalk . Save Share. ... There's a video on YouTube for a patriot but not for a 2010 Jeep Grand Cherokee. Any help would be awesome! Save Share. Like.Oct 12, 2011 · 1 post · Joined 2018. #13 · Jan 1, 2018. With our 2011 Grand Cherokee Overland, the FCW light goes on and all power goes off, including engine shut down. Has happened four times and we can no longer drive the vehicle due to how dangerous the condition is. Dealer said nothing they can do since they can't duplicate it.Mar 28, 2024 · Simply put, the FCW system failed means that the frontal collision warning system in your car has failed. This system is designed to help prevent accidents by providing a warning if a collision is detected. When the system fails, it poses a danger because you may not be aware of an impending collision. If you’re driving and the FCW …May 1, 2024 · ACC FCW Unavailable service required Dodge Durango is quite common as well as with Grand Cherokee Jeep, but overall, it is a malfunction that may affect any vehicle for that matter. That is why it pays for every driver to be aware of their ACC/FCW functionality in case the problem so they will be better placed to address it. Fcw unavailable service required jeep grand cherokee, You've many options when it comes to online fax services, but choosing the right one for you requires some due diligence, this list provides great choices. Long before emails chang..., The FCW button is located in the Uconnect display in the control settings. To turn the FCW system on, press the forward collision button once. To turn the FCW system off, press the forward collision button once. NOTE: When the FCW is “on”, this allows the system to warn the driver of a possible collision with the vehicle in front., Before you begin, make sure your Jeep Grand Cherokee is parked and the engine is running. Here are the steps to turn on FCW: Access the Uconnect System: Locate and press the "Apps" button on your Uconnect touchscreen display. This will open up the Uconnect system where you can access various vehicle settings and features. Open the Settings ..., You've many options when it comes to online fax services, but choosing the right one for you requires some due diligence, this list provides great choices. Long before emails chang..., Jeep cherokee problems: 6 common issues (explained)4wd system temporarily unavailable Parksense: a helpful parking feature on the jeep grand cherokee. Service 4wd Light Jeep Grand Cherokee Check Details 激安価格の JEEP Grand Cherokee WK サイドバイザー フロント左右 fucoa.cl Check Details jeep cherokee svc 4wd - brandee-bunger, Apr 23, 2022 · Hello. 2014 Jeep Grand Cherokee Summit. THe stability control light is stuck on the dashboard (geen squiggly lights) even though I didn't turn off the stability control/ In the center control panel I get a page that says "ACC/ FCW Not Available, needs service". The Cruise control does not work and a light flashes when you try to engage it., My 2014, 102k miles, Grand Cherokee Summit has fault codes intermittently flash on the dash. I have taken it to the dealership and they have replaced the Traction Control Module, and STAR Chrysler recommended replacing the ABS module. Neither of these have fixed the issue. The dash flashes Adaptive Cruise Control Off, Park Sense Off, Service ..., I noticed the "parksense unavailable" it doesn't say "parksense unavailable service" as i read on other threads. It's currently off but will not allow me to turn on. Backup camera works fine. Reactions: Raiders213. Save Share. ... 2014 Jeep Grand Cherokee Overland (JeepRonibo); 2008 Durango Limited 4x2 Hemi with every option ..., Other plan benefits include Rental vehicles, Roadside Assistance, Key Fob repair/replacement, Trip Interruption insurance, and personalized service plan provisions. A full list of recommended 2017 ..., Getting the following two errors on startup: - FCW Unavailable Service Required - Service Electronic Stability Control Approximately 3,500 miles on the car. Will …, One example is on page 219 of the manual that says, "If the system turns off, and the EVIC displays: *ACC/FCW Unavailable Service Required *Cruise/FCW …, My 2014 Jeep Grand Cherokee Overland had a similar event recently. (The Jeep then had been driven about 4,000 miles.) ... ACC\FCW UNAVAILABLE SERVICE REQUIRED . 2014 Blk on Blk Overland,V8,Tech package,CD, Volant CAI, Black Corsa Ehaust, Diablo Tuner build date Feb 27,2013., , 15 posts · Joined 2018. #1 · Dec 15, 2018. So i noticed a few times my front parksense would indicate something in front when really there was nothing. Then it would turn off and show the message that it is unavailable and needs service. It went back to normal a few times until recent where it just shows that message every time, the led is ..., Jeep grand cherokee wk off road accessories2011 jeep grand cherokee fcw off Download engine manual grand cherokee 2005-2010 diesel 3.0 crd2014 jeep grand cherokee 4wd 4dr limited. Check Details. Fcw off alert?? 2011 jeep grand cherokee fcw off2014 jeep grand cherokee overland fcw/acc issue Fcw off jeep grand cherokee 2012Jeepforum.com., To adjust the Forward Collision Warning settings in your Jeep Grand Cherokee, follow these steps: On the center screen of your Jeep Grand Cherokee, locate and tap the “Vehicle” option on the bottom category bar. In the top right corner of the screen, you will find the “Settings” option. Tap on it to proceed. From the left menu, select ..., Aug 9, 2019 · MY 2015 Jeep Grand Cherokee SRT displays “ACC/FCW Limited…. MY 2015 Jeep Grand Cherokee SRT displays “ACC/FCW Limited Functionality", at every start up with in 30-60 secs and the disappears. I've had a Chryster dealership install a new windshield 8months ago. I've removed the front facing camera from the windshield and cleaned the windshield., Dec 2, 2017 · C. CA_jeep Discussion starter. 2 posts · Joined 2017. #1 · Jun 5, 2017. This seems to be something that others have talked about but I didn't see anyone who resolved it. My 16 Grand Cherokee with 8500 miles started giving me a warning "ACC/FCW Limited Functionality" about every 2-3 minutes with a ding. Sometimes it would make the dash flicker., AUBURN HILLS, Mich., Jan. 18, 2022 /PRNewswire/ --New factory-backed, Wi-Fi-capable, Level 2 (240-volt), at-home, hybrid-electric-vehicle, wall ch... AUBURN HILLS, Mich., Jan. 18, ..., ACC/FCW Unavailable. Jump to Latest Follow ... 2015 Jeep Grand Cherokee High Altitude Eco Diesel (Canada) - Valentine 1 + Blend Mount + Invisicord - Thinkware F750 front + rear Dash Cam + Cellink Battery B - Weathertec Front + 2nd Row + Cargo - Solar Gard Ultra Performance Ceramic Tint - 3M Paint Protection Film - AlloyGator Wheel Protector ..., Feb 15, 2022 · WK2- Grand Cherokee (2011-2021/22 WK) WK2 -Trouble Shooting/Problems/Service. ACC/FCW unavailable. Wipe front radar sensor. Jump to Latest Follow. 3K views 2 replies 3 participants last post by LongJohns Oct 4, 2022. hermvh Discussion starter. 1 post · Joined 2022., Wondering about down payments for FHA loans? This guide will help you understand how much you need to put down and what the requirements are. We may receive compensation from the p..., Sep 30, 2021 · C. Calijeep Discussion starter. 11 posts · Joined 2021. #1 · Sep 30, 2021 (Edited) Changing a dead battery in my 2018 Trailhawk has seemed to to wreak havoc on the the electronics and sensors. After the …, I killed the jeep and still nothing. I drove down the road a little ways and it worked again. After a few stops I turned the jeep off and it wouldnt work again. This morning I tried to turn it on before i rolled and it wouldnt work. After about 20 miles it worked the rest of the way to work. The transmission shifts different. Like a whole ..., Feb 8, 2014 · One example is on page 219 of the manual that says, "If the system turns off, and the EVIC displays: *ACC/FCW Unavailable Service Required *Cruise/FCW Unavailable Service Required. This indicates there is an internal system fault. Although the vehicle is still drivable under normal conditions, have the system checked by an authorized dealer., ACC FCW Unavailable service required Dodge Durango is quite common as well as with Grand Cherokee Jeep, but overall, it is a malfunction that may affect any vehicle for that matter. That is why it pays for every driver to be aware of their ACC/FCW functionality in case the problem so they will be better placed to address it., sturtel. 2 posts · Joined 2014. #3 · Oct 16, 2014. I took my 2014 Jeep Grand Cherokee Summit in for a water leak in the front driver side foot well this morning. I got the warning lights for Service Air Suspension/ACC/FCW last night (good timing). I was reading around and found that if their is an Air Suspension warning it sets off the ACC ..., Jan 6, 2023 · Jeep Grand Cherokee Trackhawk. FCW Unavailable. Jump to Latest Follow 2K views ... Just got a "FCW Unavailable Service Required" code and to "Service Electronic Stability Control" Question:, Adjust the drag link. 3. Vacuum Leaks/Bad ECS Hose. A loose hose pipe that creates a vacuum leak may also cause a Jeep Grand Cherokee service electronic stability control warning and a brief vacuum kick. Your Jeep's service electronic stability control warning lights will then remain illuminated and not turn off., 2016 Grand Cherokee Overland 3.0L V6 diesel ... I've never had the service required messages, but occasionally get the ACC/FCW Unavailable messages when it is raining or snowing. It tends to clear itself out after a few minutes, but when it has been snowing and cold enough for it to ice, I have had to clean the sensor before it goes away. ..., Forward Collision Warning (FCW) sensor location in Jeep Grand Cherokee. Common problem in very cold weather conditions This is a common problem in snowy conditions as snow and ice can accumulate on the windshield and obstruct the view of the forward-facing sensors., Nov 25, 2011 · 169 posts · Joined 2010. #8 · Dec 23, 2011. I have been having an intermittent problem with the FCW/ACC/TPMS. Occasionally when I start the Jeep it shows FCW/ACC unavailable and a message pops up to service TPMS. The stability control off and the brake light are also illuminated. Jeep drives fine with no other issues., Had a situation 2 weeks ago in the Outer Banks (NC) driving on the beach in sand mode. About 15 minutes into my ride I had the Service 4x4 and ESC messages appear with the ACC/FCW unavailable warning lights. I went to the dealership this morning to see if they could help. They indicated without any codes to pull, there was nothing they can do ...