2018 Ram 2500 complaints

Code C0020-01 appears and ABS service light appears - the vehicle is equipped with a defective and dangerous hydraulic control unit (HCU) module and anti-lock braking system (ABS) module. Anti-lock braking, traction control and speed (cruise) control are inoperable. Causing a safety concern

Abs not functioning. Multiple online forums with complaints for faulty abs module and pump. Abs pump not working. Scanner will not communicate with abs. 2017-2018 Ram 2500 very common known issue.

The Hydraulic Control Unit Chrysler part number 68143491AA failed and been replaced previously on my vehicle. This causes the Anti-lock braking system and Traction control system to no longer function limiting function under wet or slippery conditions. This puts the driver and others at risk. The problem has been reproduced by my local dealer and the vehicle will be dropped off for evaluation again this week. The manufacturer has not evaluated the product. Abs and traction control lamps are intermittent when the issue occurs.

My 2018 Ram 2500 had a ABS/Traction Control warning light and I took it back to the dealer 01/12/21 and had the the HDC replaced. Mileage on the truck at that time was 16,220. Warranty covered the problem. Problem returned and took it back to the dealer 04/28/23. Mileage at that time was 24,824. Was told that it was no longer under warranty. Was told the part only had a two year warranty. The dealer didn't have the part at that time due to numerous problems with this system. Truck only has 29,022 miles at this time. I haven't had the part replaced and just have to listen to the warning chime continually sounding. Researching the internet reveals this problem is very common and should be a recall with the manufacturer fixing this known problem. I have the Dealer Service Documents.

ABS light and traction control light randomly come on while driving and sometimes apply the brakes without warning. Scanned for codes and was given a codes for an abs module failure. This seems to be a very common failure on these vehicles and should be addressed with a recall as it is very unsafe. I have almost been rear ended several times.

Abs traction control light

I have had the ABS/HCU replaced a year or two ago and now I’ve got the same issue again today 8/30/2024. Code C0020. I have to wait to get it to the dealership after the long weekend and holiday on Monday so they can check it out. Lights flashing in the dash and cruise control is not working when this happens.

Error code c0020-01abs/hcu pump motor control. i am one of thousands with the problem of getting abs and traction control lights flashing on my dash of my truck. it takes away my abs brakes my cruise control and the trailer brakes. i use my truck to pull a large trailer which has forced me to stop using my truck and it is now useless to me.please help us all and force ram to recall and fix our problem. my truck is a 2018 2500 and has 18,000 miles on it. and now i can not use it.

Vehicle gives warning on the dash for ABS and anti skid off. Along with an audible warning. the warning on the dash states the anti lock brake system needs repaired. While this is active the cruise control does not work as well as the anti lock and anti skid system.

ABS /Traction Control warning chimes and lamps providing erratic behavior and constant noise/distraction. In doing some basic research, this is a known issue for these trucks.

ABS hydraulic control unit motor failure, occurred at 25k miles, just outside of 3 year warranty as I bought truck used from a dealer. Intermittent loss of ABS and traction control with no warning, and constant dinging sound while driving as the motor reconnects and disconnects. Currently have 40k miles, have not repaired as from what I’ve heard from other owners and seen online, the repair is $1000-$2000 depending on dealer, and the repair may only last 25k miles if the part installed is of the same build quality. Many owners have resorted to replacing the ABS pump motor with parts from other makes/models of vehicles, as it seems the Mopar part is dealer-only availability at this point. I have found a dealer source that has a new upgraded part number that I will be ordering from and finally replacing, but I have no hopes that the part will last any longer than others have seen. I am only replacing the part as there is a class action lawsuit pending. My hope is that a safety recall be issued, as this is a prevalent problem in the 2017-2018 Ram trucks.

C0020 error code. Required replacement of ABS system's HCU (hydraulic control unit). Vehicle's ABS and electronic braking systems warning systems would flash. Loss of cruise control when the warning light came on. Vehicle lacked ABS made especially dangerous in wet road conditions while towing.

My ABS and HCU modules are both bad. Leaving me vulnerable to locking my brakes on wet roads. My traction control will not work because of this as well. This is unsafe.

While driving pulling a trailer the service antilock brake system light started to flash on and off sporadically the entire time i was driving. It does it now every time i start the truck. Doing research it's a know problem. The truck has 43k miles. While the light is on the braking is not what it should be for a truck that can haul the loads it's supposed to. Definitely a safety hazard.

Vehicle constantly displays “service electronic braking system” message. ABS light will not turn off. Dealer tells me there is nothing they can do for me and they have multiple customers with 2018 RAMs with same issue and replacement parts are not available.

The Service Anti-lock Braking System warning lights and audio alarms come on almost constantly at times along with the cruise control failing, a common problem I understand which Dodge Ram has to be aware of. This truck has only 7000 miles on it!

This complaint is the same as many seen by googling this problem. There’s a beep and then the ABS and traction control light come on. Message is given to service abs system. Then the message goes off and returns a few seconds later. this happens consistently during the driving duration. This only happens about every other driving session, but when it happens, it’s consistent. This is a known incident that is happening in 200s perhaps thousands of drivers. It sounds like a malfunctioning part to me, plus I have no idea if I have a real issue. I called ram care with no help.

ABS and TCS modules failing cruise control and abs unavailable when lights appear on dash. Vehicle not inspected by authorities or dealer at the moment will take to service center shortly.

The service electronic brake light and traction control light on my 2018 Ram 2500 keeps going on and off while driving. This started with only 12,048 miles and 6 weeks over my 3 year warranty. Research shows that this is a common issue with 2018 Rams and newer. Thousands of complaints have been reported and there are several Class Action Lawsuits regarding this issue in several States. Also being reported, is that this issue causes towing problems and the cruise control to malfunction, so I don't dare to use either when traveling. Even with repairs, if you can find the parts, some owners are reporting several repeated failures. You can't replace defective parts with more defective parts and expect a resolution to the problem. Though I have not had brake failure yet, and with only 27,000 mile, it is always on my mind while driving. I don't feel safe when driving my vehicle, hence the low mileage. Chrysler needs to be held accountable and a recall needs to be issued for all makes/models/years having this issue.

Abs module failure. Traction control failure Stability control failure. Module replaced by dealer once under warranty and failed a little over a year later. Dealer would not replace defective unit stating it was out of warranty.

ABS Pump Motor Control: General Electrical Failure code-C0020-01

Abs warning light comes on. Dealer stated it cannot be repaired.

My abs system is not working the ETC is not working was told this is because of the abs pump and abs computer. Most safety components related to brakes not working. There are over a thousand complaints to Chrysler about these trucks and still no recall. Please help.

The contact owns a 2018 Ram 2500. The contact stated while driving at an undisclosed speed, several unknown warning lights illuminated. The vehicle was taken to the dealer where it was diagnosed with a failed HECU module. The contact was informed that the HECU module needed to be replaced. The vehicle was not repaired. The contact was informed that the repair was not covered under warranty. The manufacturer was not made aware of the failure. The failure mileage was approximately 53,000.

Driving the vehicle the alarm dinged and the panel displayed service ABS system, service electronic breaking system. Would go off and on flashing intermittently

The "Service Electronic Braking System" warning comes on and off intermittently with an annoying "DING" while driving. It never stays on and always just comes on, DING, and goes away but repeatedly. It will eventually go away after driving a bit but then comes back unexpectedly. This also disables the Cruise Control. There are tons of complaints throughout the RAM forums and I see a lot of complaints filed here on NHTSA. The dealer is obviously very aware of the problem as the replacement parts are not available except for months of waiting, if at all. The dealership has not only stated the part is a long lead item and on back-order but it will be $1200 to $1600 for replacement and that part may fail as well!

The service electronic brake light and traction control light keeps illuminating periodically while driving. The code was read and ELECTRICAL FAILURE C0020-01-ABS PUMP MOTOR CONTROL was received. This is the second time this occurred and the first one was replaced under warranty.

The abs control module and HCU are faulty . No parts have been available for a fix. I have now been driving a truck in the north with no ABS , 4 wheel drive, cruise control or traction control. This truck is a hazard to everyone on the road but with no parts it’s hard to fix it. I only have one vehicle. Tons of people have the same issue and nothing is being done. Ram won’t do anything, stallantis wont do anything. It’s just crazy

The ABS light keeps coming on/off when I’m driving saying service the abs module or the equipment.. I did some research about it alot people complain about this problem.

2018 Ram 2500 with 6.7L Cummins Diesel The ABS warning light and traction control warning lights come on and go off constantly along with a message to check the braking system. The problem is intermittent. It might happen once in a trip or it might have 50 times in a trip, but it always happens. Losing traction control and ABS braking puts me and my passengers in a severe risk of injury as the vehicle will not be able to be maneuvered or stopped in an emergency situation or during dangerous road conditions. A search of online forums has revealed hundreds of people reporting the same issues with their vehicle.

ABS module failure

2018 Dodge 2500 w 75K miles. "Service ABS" and "Service Electronic Braking System" warning lights coming on intermittently for appx last 1.5K miles. When this happens, it disengages the cruise control when set, or keeps it from being engaged when unset . Noted yesterday that Braking performance is now lessened- slightly increased stopping distance noted when pulling an appx 3K lb trailer (no trailer brakes), which i regularly tow. Brake fluid levels good, brake shoes/calipers/rotors in very good shape.

Getting the Service Electronic Brake System, Traction Control, and Anti-lock Brake System. First noticed these alarms a couple years ago but they cleared by themselves. Sometime this 2024 Spring, around 70k miles these alarms started again. This time the alarms are nuisance going on and off multiple time a minute all by itself. Cruise control won’t work when alarms are on. When I checked forums, seems like there is a problem with these modules. The supply of the parts is a problem also. I ordered the parts from Mopar and after I paid for the parts and received an order number. The next day Mopar cancelled my order tell me to go to the dealer. Seems like Mopar is monopolizing these parts.

For the last 3 years the ABS and traction control warning lights come on and off intermittently. This occures every time the truck is driven. I have replaced the ABS control module and the Hydraulic pump unit with new OEM parts and this issue keeps coming back. Driving and towing heavy loads this truck is extremely dangerous (without a functioning ABS system). A recall is urgently needed!!!

The contact owns a 2018 Ram 2500. The contact stated that on several occasions while driving approximately 60 MPH with the cruise control feature activated, the ABS and traction control warning lights started flashing. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 125,327.

And the anti-breaking system and the electronic braking system lights keep coming on. Maybe two months ago I had to have the left wheel assembly, everything repaired because the wheel was about to fall off.

ABS and traction control lights came on. Brought to my mechanic and they spoke with Dodge who started they put a freeze on selling the parts and currently have no fix.

The truck would not go above 40 mph, then the transmission began slipping, slowing the truck down to 20 mph. This happened while pulling my camper. This put us at risk of collision. The truck is going to the dealer on Weds, Aug 14. The vehicle has yet to be inspected, but will be at the dealer on Aug 14. No warning lights.

17427 miles 68143491aa control anti-lock brake system replaced 68347098ab module anti-lock brake system replaced code found c0021-01 replacement of the hcu and module. 12/30/2019 At 80,460 mi same code and information appeared again. 12/23/2022 No ABS brakes /no speed control continues currently 111,400 miles an indicator lights stay on.

Electronic braking system alarm and antilock brake system alarms keep coming on and off. Based on research HCU is faulty.

ABS Traction Control Failure. Dash lights come on ABS and Traction Control do not work after that. This started as an intermittent issue and now the lights are on all the time and there is no longer any ABS or Traction Control on the truck which I feel is a major safety issue for this truck especially when pulling a loaded trailer.

The ABS system module has failed leaving me with a large truck and no anti-lock brakes or stability control. This is a known issue on my truck (I found out on line) putting people in danger. The parts are back-ordered and they want $2300 to fix it. My truck has <60K miles on it. The warning lights are on and the dealer told me to just "pump my brakes" if the lock up - like "in the old days before abs." Please make them issue and recall. This is very unsafe.

ABS and Electronic braking system error. Traction control not working due to system malfunction.

On 8/10/2024 at 3.10 PM while traveling 68 mph on an interstate, the vehicle started displaying Service Electronic Brake System and Antilock Brake Failure warnings. This also shut off the cruise control system, causing a sudden and unexpected loss of forward momentum. The warnings would reset and then come on randomly while travelling.

Like most other owners I too have the annoying ABS failure and traction control lights dinging on and off constantly. So no traction control or ABS. You also lose cruise control We are paying for a recall as the dealers want $2000 to $2500

Intermittent failure of ABS system. Causing cruise control to suddenly shut off at highway speeds as well as having a non-functioning ABS system.

Got an ABS fault for a corrupt hydraulic brake unit. So I replaced the unit at the cost of $200.. once replaced I still had an ABS light, traction control light, Brake light. Reading the codes it would tell me that both rear wheel speed sensors failed to compare. Ultimately I got a check engine light for wheel speed sensor 1 failure. So when I rest the code it clears the lights and I lose the speedometer for 25 plus miles. Also renders the 4x4 feature useless on the truck. I took it to the dealership on 8/8/2024 and they attempted to do an update to the ABS module. After the update I lost the speedometer again. I was told that the ABS module will need replaced at the cost of $600 plus labor and program time.

Driving in normal conditions .. even leaving my driveway ABS light comes on and traction control light comes on. and flashes randomly. Sometimes in doesn't come on for a bit but then will flicker on and off.

The ABS and Electronic braking system has failed in this vehicle. While driving the vehicle, the ABS light will cycle on and off consistently. When the light is activated, the cruise control also becomes ineffective. It has been determined to be the ABS Module failing. This truck only has 100,000 miles on it. When I contacted multiple dealerships, they informed me that they cannot order a replacement part as they do not exist from the manufacture anymore. There are no aftermarket options. After contacting Fiat Chrysler Association (FCA) they informed me the parts were pulled from dealerships and they are under engineering review for replacements with no timeline available. This is a 10,000 lbs vehicle with a 16,000lb tow rating. It is unacceptable for this to continue failing on a truck that when combined with a trailer can be totaling 26,000lbs. If this system fails while towing, the result will be deadly to anyone involved. I've spoken with hundreds of others with this same failure on the same truck. It is unacceptable that we cannot drive our trucks safely, we cannot fix them because parts don't exist, and we cannot sell them because they are undriveable and unfixable.

The ABS module and HCU are failing on these trucks. They’re causing the brakes to lock up, and the traction control system to automatically turn off, disables cruise control, and there are thousands of reports of this all over the internet.