How to fix hill descent control fault

Here’s how to use the Terrain Management System in your Ford Explorer: Find the dial on your console that says 4WD or AWD. Press the “TM” button in the middle of the dial. The Terrain Management System mode will be shown on the driver’s information screen. Press the “TM” button again to change the mode. Press over and over until you ...

The working mechanism of Service AdvanceTrac technology. Procedure to Reset the Ford F150 Service AdvanceTrac Warning Light. Disable the warning code. Diagnose the problem. Disconnect the battery. Reconnect the battery. Update the programming. Fasten the wiring harness. Inspect the Ford F150 ABS module.2016 F150 - Hill Descent Control Fault. So yesterday evening on the way home after just pulling out onto a road in town, my truck lurched/lost power and the in-dash screen displayed 'Hill descent control fault, service Advancetrac' and the traction light in the dash light up. Before I could even really react, to acknowledge the light or do ...This is more than a car repair forum! Members Online • Tuda1023. ADMIN MOD [2013 F150] Service AdvanceTrack, Check Brake System, and Hill Descent Control Fault all at once. Anything to worry about? I have a 2013 F150, 5L V8 4x4, with a 2 inch roughy country lift kit. In the past month I have gotten Service AdvanceTrack, Check Brake …The working mechanism of Service AdvanceTrac technology. Procedure to Reset the Ford F150 Service AdvanceTrac Warning Light. Disable the warning code. Diagnose the problem. Disconnect the battery. Reconnect the battery. Update the programming. Fasten the wiring harness. Inspect the Ford F150 ABS module.Page 202: Hill Descent Control (Hdc) STARTING & DRIVING Hill Descent Control (HDC) The HDC system is an auxiliary function specially designed for driving on acute downhill gradients. The system The HDC system is only an auxiliary reduces the speed by applying brake force, thus assisting function.I figured out how to enable HDC (Hill Descent Control) & Rock Crawl driving mode to a non-FX4 4WD. This mod requires the following: 1. The HDC button - in my case it's the split button for HDC & Traction Control p/n: SW8524 / ML3Z-13D730-RA (Note this matches the trim in my Platinum and the p/n for an XLT would be different) The truck came already deleted and straight piped with a 4 inch exhaust, mini maxx race tuner, and egr delete. Everything was running fine initially, however, a week later I am suddenly having weird issues. All at once, the ABS light and traction control light went on, with the displace saying "Service Advance Track" and "Hill descent Control ... Not really a fault of the design at all as anything can get lodged in the ABS timing wheel / gear. Eventually clears on its own. If you're concerned you can check the connection for the ABS sensors to ensure they're snug and haven't been clipped by a rock or something exposing a wire causing a short or ground fault in the system. 1.

Displays when hill descent speed exceeds 20 mph (32 km/h). For Hill Descent Select Gear Displays when hill descent control mode requires you to shift the transmission into gear. Hill Descent Driver Resume Control Displays when the hill control mode requires you to resume control. Hill Descent Control Fault Displays when a hill descent system ...Turns out the problem was a bad wiring connector which cost $150 to repair. To find the wiring fault they did $$$$ in warranty work because the codes from the computer said the modules were faulty. ... with the displace saying "Service Advance Track" and "Hill descent Control fault". Also, occasionally when I applied the break, it seemed almost ...Press the "Hill Descent" button. The "Hill Descent Control Indicator Light" in the instrument cluster will turn on solid. Note: If the transfer case is not in 4WD LOW range, the "Hill Descent Control Indicator Light" will flash for five seconds and HDC will not be enabled. Disabling HDC Press the "Hill Descent" button or shift ...The Insider Trading Activity of Hill Grant on Markets Insider. Indices Commodities Currencies StocksFeb 9, 2024 · The hill descent control fault can result from throttle body gunk, bad steering rack or brake pedal sensors, or even a dead battery. When the Ford F150 flashes an “HDC Fault” message, it means issues in the Hill Descent Control system linked to stability and traction issues. Before getting to fixes, let’s dig deep into what went wrong in ... Dec 16, 2016 · 1999 to 2016 Super Duty - Service AdvanceTrac/Hill Descent Control Fault - All, I have a 2015 F250 6.7L. I've owned it for about a year and a half. 7 or 8 months ago it started giving me the 2 different warnings shown in the title of this post. They always appeared together, one right after the other and went away on... If you want to try to fix the Hill descent control malfunction yourself, without scanning the vehicle, below are the best places to start. Change the Brake Switch. If the "Hill Descent Control Fault" warning is still showing on your Ford, then the next thing that you should check is the brake switch itself.

Hey guys so I recently had my ABS, Hill Assist and Traction control lights come on while I was driving. Here is a short easy video on how to fix the issue.Pa...There are several reasons for this though. Your Ford's Hill Start Assist may not be working due to a random error, a faulty ABS sensor, problems with the traction control, a software glitch or it could just be due to a bad brake light fuse. If you don't have an OBD-II scanner, these issues should be your first guesses.2009 - 2014 Ford F150 - Hill Descent Control Fault/ Service AdvanceTrac - About a month ago on my 13 F150 Screw FX4 I started seeing the warning pop up saying Hill Descent Control Fault and another one saying Service AdvanceTrac. After acknowledging both lights, the light for the traction control fault would come on....If not, probably a switch problem and back to the drawing board in this case, but at least you have ruled out most wiring and connector issues. According to RAVE, HDC warning lamp alone indicates the Brake Lamps Relay is open or short circuit. It doesn't effect function of any of ABS, ETC, HDC, or EBD. New York. Last time I had Service AdvanceTrac message and light on in my 07’ it was an ABS sensor/ harness. They go into the wheel hub/ bearing assembly and it’s basically a wheel speed sensor. They come with the new hub assemblies or can be purchased separately.

Scratch and dent appliances knoxville tn.

The alternative is that the ABS system is not functioning properly and the trac control and hill decent systems are being deactivated as part of the fault. If the system cant apply breaking then the systems are rendered unavailable. the vehicle will stop but not using ABS just regular breaks. Check all ABS break fuses for damage.Service Advancetrac, Check Parkaid, Hill Descent Control fault all at. Service advancetrac ford fusion 2010 F150 advancetrac fault hill check service ford 2012 ford f150 service advancetrac. ... service ford f150 message syracuse ny location 2011 ford f150 service advancetracService advancetrac 2011 ford edge fix.So I ordered this service through eBay and shipped it regular through UPS which took 7 days, you could choose sooner but it's expensive. They received it on...In some cases, a software update can resolve the issue. Few Symptoms of Hill Descent Control Fault. Warning Lights. When Hill Descent Control is experiencing a fault, warning lights may appear on the vehicle’s dashboard. These warning lights can include the ABS light, traction control light, or Hill Descent Control light. Reduced Performance.Advance track and hill descent control fault. Discussion in '2017 - 2022 Ford F250+ Super Duty Forum' started by Wifshowfur, Jun 30, 2019.Maintenance Shop - AdvanceTrac, Hill Descent & Dead Dash - Hello, for the 2nd time in 3 days, my 2013 F150 had the following experience. As i slowed down, the Service AdvanceTrac and Hill Descent Control Fault flashed repeatedly. Besides that, my dashboard display went dark. My tachometer looked like the engine died...

About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...The light comes on when the hill descent control system is activated. If the hill descent control switch is on and the indicator light blinks, the system is not engaged. If the indicator light does not come on when the hill descent switch is on, the system may not be functioning properly. Have the system checked by a NISSAN dealer.How to fix hill descent control fault. Activating hill descent control forscanFord focus: turn off descent control Adding hill descent control to non-fx4 trucksF150 capability. How to use hill descent control in ford f-150, f-250, f-350 & f-450Control climate 2010 screen f150 touch ford Hill control descent f150Ford f150 hill …Service AdvanceTrac Ford: 5 Causes and How to Fix It - OBD Advisor. Check Details. ford explorer service advancetrac - rolland-cormican. Check Details. service advancetrac ford fusion 2010 - noel-soukup. Check Details. Service Advancetrac Warning Light - Issues & How to Fix. Check Details. Ford F-150 Locked Steering/Hill Descent Control Fault ...If your Ford F-150 shows “Hill Start Assist Not Available,” it could be from a broken brake part, damaged cable, faulty brake sensor, water issues, or a loose pitman nut. To fix this issue, screw the brake part, replace the damaged cable, change the brake sensor, and clean/grease the wet part. If the pitman nut is loose, replace it and ...Indicates that the hill descent control system has detected Indicates that the electric power Hill Descent a fault. Please consult an MG EPS Assistance steering system has failed. ... EMERGENCY INFORMATION Tyre Repair Tyre Repair 1 Remove the label at the bottom of the repair fluid Tool Identification reservoir and attach it to the steering ...1. Faulty Brake Switch: The most common cause of Hill Descent Malfunction is a Faulty Brake light switch. The brake switch detects when the brake pedal is pressed. If it malfunctions, it can’t properly signal the Hill Descent Control module that brakes are applied, preventing the system from activating. 2. Bad Wheel Speed Sensor:Noise from the ABS module is normal while the hill descent control feature is active should not be cause for concern. When HDC is activated, the initial HDC speed is set to the current driving speed. It can be increased or decreased by pressing the +RES or SET- steering wheel controls or by applying the accelerator or brake pedal.A vehicle's "Service AdvanceTrac" warning light can be illuminated for a number of reasons, but most often pertains to sensor-related issues. In any event, the system controller has registered a fault, which makes proper operation impossible. Here are the most common causes of an illuminated "Service AdvanceTrac" warning light.

They have the necessary tools and experience to diagnose and fix the Hill Descent Control fault accurately. Diagnostic equipment: Professional technicians have access to advanced diagnostic equipment that can provide in-depth analysis of your F150's Hill Descent Control system, ensuring an accurate diagnosis.

Service AdvanceTrac is a warning signal that illuminates Ford vehicles’ dashboards. It notifies the driver that the car’s computerized system has detected a fault that needs immediate attention. Advancetrac is Ford’s proprietary electronic stability system. It is similar to the ESC – Electronic Stability Control function in other vehicles.When the vehicle is driving on a steep slope, the driver presses the HDC button to activate it. The hill descent control works when the vehicle is in forward or reverse gear. HDC maintains speed using anti-lock brakes. The brakes control each wheel's speed and the driver doesn't need to touch the accelerator or brakes.After I dried it out real well the hill descent control fault went away and my starter worked fine. All my brake lights worked except the 3rd brake light, even with my headlights on. I know it sounds funny, but I really think the hill descent control fault (that the dealer cant seem to fix) is related to the moisture in the 3rd brake light.Hi everyone. My 2013 5.0 with 204K miles on the clock just had a wild failure. Started it to drive to work this morning and as I pulled out of the driveway, the steering wheel locked and the The dash lit up with "service advancetrac", "hill descent control FAULT". The motor was still running and was barely able to get it back in the driveway.Reaction score. 21,782. Location. here, on frf. ok so normally this is a water in 3rd brakelight problem, not this time. i have the snap on ethos scanner. ran codes and said my steering angle sensor was bad. replaced it, but to no avail. still get the faults. swapped out my 3brake light with my girfriends brakelight, no luck there. somewhere ...Bulletin Number - 0029. Issue - 1. Date - 27.09.2000. Model - Freelander. Affected Range - All 2001 Model Year K1.8 and KV6 petrol derivatives, (VIN 1A 576764 onwards). Re-Issue Information. Problem -. HILL DESCENT CONTROL (HDC) WARNING LIGHT ILLUMINATED - THROTTLE CABLE. The customer complains that the amber HDC warning light is illuminating.Those are symptoms of a bad eThrottle, which will cause the other issues you listed (throttle position info is required for hill descent, advance trac, sway control). Reply Like FlamingtacoMy 2016 F-150 3.7 Ecoboost recently started shifting itself into Hill Descent mode and shuts down the accelorator to not go more than 20 mph and a whole bunch of warning bells go off. The screen shows "Hill Descent Control Fault", "Hill Assist Start not available", and "Service Advance Trac".

Duluth local tv guide.

Fox news reporter julie banderas.

This fix involves running new external wiring to supplement the internal shuttle valve wiring. We always start with a fresh shuttle valve and then solder in the new wires as shown in this video: HOW TO FIX YOUR DISCOVERY 2 ABS TRACTION CONTROL AND HILL DESCENT LIGHTS. The video sums it up pretty well.INSTALL a new Hill Descent Control (TM) switch by removing the auxiliary switch assembly. REFER to the exploded view in Instrument Cluster / Carrier &/or Interior Moulding / Trim. PRESS the tab on each side of the switch to remove it from the bezel. After replacing the switch, CLEAR the DTCs and REPEAT the self-test.13. Posted July 28, 2008. I'm worried. Driving this evening (on normal roads) and the traction control and hill descent yellow warning lights came one. They both stayed lit for about 10-15 seconds and then went off. Then later they both came on again and stayed on for 30 seconds. I stopped the car and switched off the ignition, then restarted ...Hill Descent Control in action. E81082. While HDC is controlling the vehicle speed, descent speeds can be varied using the steering-wheel-mounted cruise control switches. To reduce the descent speed, press and hold switch 2. Release the switch when the desired speed is reached. To increase the descent speed, press and hold switch 1.The brake light came on and the ABS light came on. His truck is not equipped with the "Hill Descent Control" feature, but his instrument cluster said that there was a …Alexa, the virtual assistant developed by Amazon, has become an integral part of many households. From playing music to controlling smart home devices, Alexa offers a convenient an...Now that we have discussed the potential causes, let's explore the steps you can take to fix and reset the Hill Descent Control malfunction in your Ford Ranger. 1. Disconnect and Reconnect the Battery. As a first troubleshooting step, try disconnecting and reconnecting the battery. This can help reset the computer system and resolve temporary ...If you own an AOTG24KMCA Fujitsu air conditioning unit, you may occasionally encounter fault codes that can disrupt its normal operation. These fault codes are designed to help ide...5.2K views 3 months ago. Hill Descent Control Fault (Malfunction on Ford Vehicles Causes & Fix) In this video, you will learn the leading causes and solution of the "Hill Descent Control...Ordered up a new 3rd brake light from my ford dealer, installed it last night, still Hill Descent Control Fault. My brake lights are all working now, but I have to press the pedal really hard before they finally do light up. I can easily come to a stop and sit at the red light without ever pushing the pedal hard enough to light up the brake lights. ….

3. Just picked the truck up new to me last week. 53k miles. Today on the way home from the lake, cruise control on, towing the boat, fairly level asphalt highway, these two warnings popped up. Truck continued to drive fine, cruise still worked, but the offroad display didn't tell me my front wheel angle in relation to the rears.7yrs later almost down to the exact date, service advance track/ hill descent control fault start acting up. The only thing I knew might fix it was to disconnect & clean all connections. Day after I did this, it has become a constant chime with only an attempt to pop up on screen. It was literallly a constant chime then would stop and start up ...Apr 24, 2017 · The truck came already deleted and straight piped with a 4 inch exhaust, mini maxx race tuner, and egr delete. Everything was running fine initially, however, a week later I am suddenly having weird issues. All at once, the ABS light and traction control light went on, with the displace saying "Service Advance Track" and "Hill descent Control ... So I ordered this service through eBay and shipped it regular through UPS which took 7 days, you could choose sooner but it's expensive. They received it on...3. Just picked the truck up new to me last week. 53k miles. Today on the way home from the lake, cruise control on, towing the boat, fairly level asphalt highway, these two warnings popped up. Truck continued to drive fine, cruise still worked, but the offroad display didn't tell me my front wheel angle in relation to the rears.Uh Oh Dan, my bad. I led you into an inaccurate line of thinking. The HCU (or hydraulic control unit) is a very integral part of the ABS system. It is the component that the ABS control module controls to achieve anti-lock functions. So, it may have very well been the cause of the original concern.That's because hill descent control actually piggybacks onto ABS, utilizing the same network of wheel sensors and control modules to apply adequate braking force as it's required. And while ...Really common problem and if you search you will find plenty of information about it. In the case of my wife's vehicle (2006 TD4) it was becasue the brake-light switch was not clicked into position, after reading up on possible causes it took me about 30-seconds to diagnose and less than 10-seconds to fix.2. If the problem is with the HDC Control Module, replace it with a new replacement. 3. If the issue is caused by electrical faults, inspect the wiring harness and connectors to make sure they are not damaged. 4. If the battery voltage is low, begin by checking the battery and charging system.When I started the truck up the "HILL DESCENT CONTROL FAULT" warning was on in the Message Center. About 1/2 way to the dealership the warning light went off (of course! I was going to the dealership!). ... I'm very pleased how the dealer handled this repair - they were very motivated to fix the problem and they pulled out all the stops to get ... How to fix hill descent control fault, On some F150 forums I visit there often are assumptions that this system somehow works with cruise control in slowing the truck down at highway speed, like on a hill. The HDC button shows a little truck in a downhill grade with the common cruise control symbol next to it, so I can see the confusion that it works along side cruise control., It may be meant for off-road but it works on road just fine as well. I have about a 5-8% grade in my driveway and I back into it to park. I can back up about half way up it, hit the brakes, let off all pedals, and it will hold itself there for 3-5 seconds. This is something I've had to get used to on the '13., 2013 HYUNDAI TUCSON. 1.8L. 4 CYL. 4WD. AUTOMATIC. 43,000 MILES. While driving the car listed above ix35, all of a sudden the traction control and hill descent control warning lights came on. I have switch off the car and started it again but the lights remains on., Press the "Hill Descent" button. The "Hill Descent Control Indicator Light" in the instrument cluster will turn on solid. Note: If the transfer case is not in 4WD LOW range, the "Hill Descent Control Indicator Light" will flash for five seconds and HDC will not be enabled. Disabling HDC Press the "Hill Descent" button or shift ..., Check Break System, Hill Descent Control Fault, Service Advance Trac, ABS Light and Break light on. Auto Mechanic: Mick Z. , replied 1 month ago Okay, that looks like we may have a comm issue with the ABS module there, with the scanner, can you select the module and view the live data, or does it say communication cannot be established?, HDC stands for Hill Descent Control on a BMW vehicle. BMW has incorporated a downhill driving assistant to help the driver by automatically regulating the speed when descending steep hills. When the HDC system is engaged, your car will slow down to a pace that is comparable to that of a person walking. When necessary, the driver engages it ..., Step 1: Press the Hill Descent Control Button. To activate the feature, start by pressing the Hill Descent Control button located in the center console. The vehicle will sound a chime and illuminate the Hill Descent Control icon in the instrument cluster to let you know the feature is up and running. Step 2: Accelerate / Brake to Desired Speed., Bulletin Number - 0029. Issue - 1. Date - 27.09.2000. Model - Freelander. Affected Range - All 2001 Model Year K1.8 and KV6 petrol derivatives, (VIN 1A 576764 onwards). Re-Issue Information. Problem -. HILL DESCENT CONTROL (HDC) WARNING LIGHT ILLUMINATED - THROTTLE CABLE. The customer complains that the amber HDC warning light is illuminating., aeisele Discussion starter. 11 posts · Joined 2012. #1 · Apr 24, 2012. Sometimes, the downhill assist and traction control light is turning on and staying on until I start the vehicle next day (if I shutdown the vehicle and start it up immediately, it will still show up those two lights on, however, If the vehicle stays off for like 30 ..., Pulled the negative battery lead for 5 min or so to hopefully reset the computer. Reconnected the battery and fired it up and it is now worse than it was to begin with. Hill Descent Control Fault still shows on the dash and now it doesn't complete the full engine warmup before dropping down to a rough running 750 RPM or thereabouts., Carl_Bunyon. Hello, for the 2nd time in 3 days, my 2013 F150 had the following experience. As i slowed down, the "Service AdvanceTrac" and "Hill Descent Control Fault" flashed repeatedly. Besides that, my dashboard display went dark. My tachometer looked like the engine died when it stayed running., Bruce from United States a year ago. The ABS, ESC, and Hillstart warning messages on your 2019 Ford Ranger could indicate a problem with one or more of the vehicle's safety systems. ABS (Anti-Lock Braking System) and ESC (Electronic Stability Control) are important safety features that help prevent skidding and loss of control while driving., A common problem that anybody can fix quickly, caused by a worn brake switch or a blown fuse. It’s a common problem on the Freelander1, but is cheap to fix ..., Hill descent module fault/service advancetrac warning shows up on dash and truck goes into limp mode. Stop truck and restart and goes away for a bit but randomly comes back. Mechanic's Assistant: How long has this been going on? Randomly for a week, twice this monring., Hill descent control is a setting that allows vehicles to drive downhill slopes safely and at a controlled speed. Use it when driving down a steep slope or on uneven and rough terrain. Hill descent control can be activated through a button on the dashboard near the traction control button. Contentshide. 1., In July last year, Spotify extended its shared-queue feature, Group Session, to support remote usage. Essentially a “party mode,” the feature offers a way for participants to contr..., Your HDC system is extremely sensitive to incorrect battery voltage, so in many cases, just changing the battery in your Land Rover is the solution. However, if the battery is not the issue there could be a wide range of potential problems from other power-related components like the alternator to issues with the transmission and braking system., The hill descent control is a system that maintains a constant vehicle speed when the vehicle descends a steep slope, off-road or on a snowy road. As the low speed can be maintained without operating the accelerator pedal or the brake pedal, the driver can concentrate on the steering wheel operation., Continue Reading Demystifying The Hill Descent Control Fault In Cars [Explained] Decoding The Emissions System Problem On Honda Civic. Post author: ... Continue Reading How To Fix EPS Light On Hyundai Elantra: A DIY Guide. Mercedes ESP Inoperative See Owners Manual: Causes & Fixes. Post author: Gargi Ravlekar;, 1. Damaged Rear Wheel ABS Sensors. If your car's rear-wheel ABS sensor is fired or burnt, it can activate the ABS and hill start assist not available light on the dashboard. The car may also show OBD codes on the display. In this case, you have to replace the sensor to disappear the hill start failure message. 2., 2017-ford-super-duty-hill-descent-control - The Fast Lane Truck. Check Details. How to use hill descent control on ford f-150. Hill control descent f150Descent fx4 ford raptor Service advancetrac, check parkaid, hill descent control fault all atAdding hill descent control., Hill Descent simply uses the ABS system to maintain a slow, set speed down slippery or rough steep hills. Designed primarily for off-road use, but it can also be handy creeping down a steep, icy hill. It also turns on your brake lights for you automatically. It does not allow wheels to lock up., If equipped, Hill Descent Control (HDC) sets and maintains vehicle speed while driving down steep grades in a forward or reverse gear. The HDC switch is on the center stack, below the climate controls. Press to enable or disable HDC. Vehicle speed must be below 50 km/h (31 mph). When enabled, the HDC light displays on the instrument cluster., In this video I show and explain a fault that might result in your hill descent fault light coming on while driving. I show a possible cause and how to easil..., Cold Weather Issue on the Ford F-150. Hill Descent Control Fault/ Service AdvanceTrac / Low Battery Functions Limited lights come on when starting the truck..., Received 120 Likes on 95 Posts. Hill descent, brake system, advancetrac fault. I was mudding last week, when I noticed going up a dirt hill my truck had minimal power. As I kept driving on uneven flat dirt terrain, my truck started to brake slightly driving without me using the brake. I also noticed braking noise like the sound using hill ..., Yes, shop scanned for codes and the rear passenger side showed fault. When tech was changing he also checked all others. Driver's rear was in similar condition and said was going to go soon. Fronts were still nice. He tried to get both rears changed but ford only approved for faulty one and said to wait for the drivers one to fault to change., A common problem that anybody can fix quickly, caused by a worn brake switch or a blown fuse. It’s a common problem on the Freelander1, but is cheap to fix ... , 2. I took my car to a complete steam carwash and the day after i started getting hill decent control fault and service advance trac on the gauge display , i Tried unplugged the third brake light but the problem is still there so i dont think its from the Third Brake Light ...Any Idea what might cause this, my truck is an import and its not ..., The code 114 ABS system fault, Shuttle Valve Electric Failure, can be caused by two problems; failure of one or both of the switches themselves, or failure of the circuit board referenced in Josh's Option A writeup. Josh's Option B fix bypasses the circuit board and restores and preserves full operation of the ABS/TC/HDC system., Start by checking the fuse box for any blown fuses. If there are no blown fuses, then check the hill descent control system for any loose or damaged wiring. Once you have located the problem, repair or replace the damaged parts as necessary. Finally, test the hill descent control system to make sure it is working properly., HDC stands for Hill Descent Control on a BMW vehicle. BMW has incorporated a downhill driving assistant to help the driver by automatically regulating the speed when descending steep hills. When the HDC system is engaged, your car will slow down to a pace that is comparable to that of a person walking. When necessary, the driver engages it ..., New Guy here. I've had some errors show up multiple times since getting my new 2012 F-250 a couple of months ago: "Hill Descent Control Fault," or "Service Advance Trac." Took it to the dealer two or three times and they replaced a couple of modules: one related to the RCM (whatever that is) , and one related to the ABS system.