2017 Cadillac Xt5 Temp Gauge Not WorkingThe temp gauge can't fluctuate that drastically without it being some sort of circuit/relay/sensor issue. I can't alter my comment now because it was made too long ago to edit, but the meter I was referring to was the car's temperature gauge. That warranty is 6 year, 70,000 miles. Cadillac Customer Service. Used the AC Pro R1234yf to try and recharge the refrigerant, and followed the instructions to the T, unfortunately, even though. You move the steering wheel when at a stop. If you have a XT5 built in 2017 and you are not upside-down on the payments trade it in or sell it ro one of you enemies. My 2017 acadia started getting the power assist message and temperature gauge drop everyday. If you have a XT5 built in 2017 and you are not upside-down on the payments trade it in or sell it ro one of you enemies. Now your CUE system should work again. In other scenarios, customers complained about the climate control not working, and the 360 degrees cameras do not work properly continuously. If you pull it, it's cheaper to go ahead and change it. The 2023 Cadillac XT5 is the perfect combination of luxury, performance, and technology. You can use a test light by grounding one end and connecting the other to the positive side of the gauge which should have a pink wire connecting to it. This climate control in xts doesn't work as well as other gm. The collant temp never got over 189°F. 2017 cadillac xt5 coolant temp sensor replacement Show more. How does the Acura RDX compare to the Cadillac XT5? Check out all the vital info side-by-side from pricing to performance specs. 2017 cadillac xt5 coolant temp sensor replacement. Often this code causes the Check Engine light to come on and off in cold temperatures. The only thing I've found that keeps temperature in vehicle some what correct is to sync pass and driver temperature settings in cue so both sides stay the same. For vehicles without that button, such as the 2016- 2018 Chevrolet Cruze and 2017+ Cadillac XT5, deactivating GM’s engine. If there isn’t a leak, the blend door is working, and the. Replaced battery, AC controls still do not work. Today, however, the Wreath and Crest-emblemed brand is still reliant on internal combustion vehicles like the 2024 Cadillac XT6. The engine is not fully up to temperature; Start-Stop usually only works if the engine is warm. 1 - No, haven't spilled anything. Recognizing the white space at the bottom of its crossover lineup, Cadillac may enter the profitable compact-SUV segment next year. 2017 cadillac xt5 coolant temp sensor replacement. My 2017 XT5 (59k miles) is at the dealership for the second full day with the exact same issue albeit with a slight difference. 2017 cadillac xt5 coolant temp sensor replacement. Average failure mileage is 55,000 miles. plugging and Ask an Expert Car Questions Cadillac Repair Eric, Automotive Repair Shop 57,472 Satisfied Customers 20+ yrs. 2017 Cadillac XT5 - Cooling and AC issue Maintenance/Repairs cadillac DUKEKINGSBURY March 4, 2022, 6:51pm #1 The Power Steering Assist warning, the engine Temp gauge buries itself to the lowest possible spot, the. 2 issues, 1st is the coolant temp sensor. jps811. Cadillac XT5 The most common reasons a Cadillac XT5 cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems. Every so often (EXTREMELY RANDOM) the temp guage will show nothing, the fans will kick on at 100%, and steering assist will be decreased. Offered on the 2023 LYRIQ; * 2021-2023 Escalade; * 2022-2023 XT6; * 2021 and 2023 CT4; * 2021 and 2023 CT5; * and 2018-2020 CT6, available Super Cruise™ is the first true hands-free driving-assistance technology for compatible roads. How does the Cadillac XT5 compare to the Lincoln Corsair? Check out all the vital info side-by-side from pricing to performance specs. 2017 Cadillac XT5 - Cooling and AC issue Maintenance/Repairs cadillac DUKEKINGSBURY March 4, 2022, 6:51pm #1 The Power Steering Assist warning, the engine Temp gauge buries itself to the lowest possible spot, the a/c stops working completely. Determine if the blend door is moving. It has been designed to provide a luxurious driving experience with all the latest features. 2019 XT5 the temperature gauges quit working every morning about 15 miles in to my 45 mile drive. The most common causes that hinders normal operation of air conditioning system on your Cadillac XT5 are dirty cabin air filter, refrigerant leak, dirty or clogged. Learn more about Price, Engine Type, MPG, and complete safety and warranty information. It is probably very intermittent. The layout is good, most touchpoints are covered in leather or some other quality material, and it’s roomy and comfortable. In some scenarios, customers complained about not having the radio or navigation system working properly. Wife's car so it isn't out of the realm of possibilities 2 - I can check the fuses but couldn't figure out which one was for that area anywhere. If the thermostat was the issue the gauge would still work. Let's go a little bit more into detail about the different causes. 1 recall found for vehicles like yours. We may earn money from the links on this page. Tire Pressure Monitoring System Relearn ($35 - $44) in Mission Viejo, CA. Check to see if you have power at the compressor. However, the 2017 Cadillac XT5 electrical system was equipped with many mechanical problems. The issue would be the gauge would be reading the coolant level is cool or high. Put a scope on the 5 v ref and the ground circuit at the coolant temp sensor. You can use a test light by grounding one end and connecting the other to the positive side of the gauge which should have a pink wire connecting to it. If there are codes related to the ECT, such as P0117 or P0118, they indicate that the Engine Coolant Temp Sensor is not performing correctly, which means you should start diagnosing P0128 in your Cadillac XTS by taking a look at the ECT and wiring. It does come with a third party warranty and they are going to tell me tomorrow if this is. Car Talk Community 2017 Cadillac XT5 - Cooling and AC issue Maintenance/Repairs cadillac DUKEKINGSBURY March 4, 2022, 6:51pm #1 The Power. Cadillac Mechanic: Keiphun Sowell If the gauge works, then don't work. If it’s low, you’ll need to charge it and find out where the leak came originated. If… Hello there and welcome to JA! I'm Joe. Every so often (EXTREMELY RANDOM) the temp guage will show nothing, the fans will kick on at 100%, and steering assist will be decreased. Search our full catalog of aftermarket Cadillac Coolant Temperature Sensor products below. I have a third return with a customer with a 17 Cadillac XT5 AWD. XT5 2017 automobile pdf manual download. Every so often (EXTREMELY RANDOM) the temp guage will show nothing, the fans will kick on at 100%, and steering assist will be decreased. The biggest average discounts are found in Chicago, with 3. Is there a way to force an update without disconnecting battery. If the gauge works, then don't work. If I remove the 2017 Cadillac XT5 has sealed transmission. Clear the fault and drive again. Mine started at around 50k miles. One of my 2 usb ports in center console not working (2019 xt5 awd luxury) Nothing I just keep trying it. Add-On Electrical components to not work and Equipment would. Drove it around for about 10 mins and the car stayed at 210 on the gauge (as it should) and the a/c worked fine. Assuming you have a 2017 XT5 as indicated by the title of this thread, the usual problem is with the cooling system and the resolution is usually replacing the thermostat. 2017 Cadillac XT5 - Cooling and AC issue Maintenance/Repairs cadillac DUKEKINGSBURY March 4, 2022, 6:51pm #1 The Power Steering Assist warning, the engine Temp gauge buries itself to the lowest possible spot, the a/c stops working completely. 2 issues, 1st is the coolant temp sensor. 2017 Cadillac XT5 - Cooling and AC issue Maintenance/Repairs cadillac DUKEKINGSBURY March 4, 2022, 6:51pm #1 The Power Steering Assist warning, the engine Temp gauge buries itself to the lowest possible spot, the a/c stops working completely. The warning that the assisted steering is reduced. The 2017 Cadillac XT5 has 1 problems reported for a/c, clutch , steering assist, temperature gauge problems. Suv is in the parking lot for 8 hours. is online now Related Cadillac Questions. Drive the car while monitoring scope and scan data till the car breaks. 2017 XT5- outside temperature doesn't update on display. If the fuse is good, connect a jumper between the ignition and the positive side of the gauge. The temp gauge works intermittently. If I remove the plug on top of transmission is there a fluid level. If you are under the original Cadillac Powertrain Warranty, the cost could be covered by Cadillac. Triggers 2017 Cadillac XT5. Then the coolant guage dropped all the way to cold again. 0-liter inline-four is the new base motor, and the 2020 Cadillac XT5 also gets fresh styling and a new trim-level hierarchy. 3 - not sure as I can't check anymore, but around 70K 4 - I have no idea how to do that and would probably do more damage than good unfortunately See more Reply Save. When i start the Suv to drive home gauge still doesnt work and a/c blowes hot for about 3 miles then the gauge starts working and a/c blows cold. The same message was show on screen, the thermostat was always at the low/cold position and the air conditioner would not work. If I shut it off for 30 seconds or so. It will go a few hundred miles and the power steering reduced light will come one, temp gauge on dash goes to full cold (motor completely up to temp and has been driving over 50-100 miles. Super Cruise utilizes advanced technologies to provide the ease and convenience of. 2017 XT5 automobile pdf manual download. The most common reason why your car’s temperature gauge stays on cold is a faulty coolant temperature sensor. Discussion Starter · Jun 24, 2018 (Edited by Moderator) Hello all, my 2014 will be at normal operating temperature and occasionally the temperature gauge will drop to the bottom of the scale and the fans turn on, and then the AC will stop blowing cold air. Triggers CEL, reduced throttle, traction control lights. After 15 min of driving temp jumped quickly to normal temp of 210, guessing thermostat is sticking … read more. If there's no light, check the gas gauge fuse. 2 issues, 1st is the coolant temp sensor. Worst 2017 Cadillac XT5 Problems #1: Front Struts/Shocks Gone Bad 2017 XT5 Average Cost to Fix: $1,500 Average Mileage: 28,000 mi #2: Brakes Squeak 2017 XT5 Average Cost to Fix: N/A. Back in 2020 when this three-row crossover was first. 2019 XT5 the temperature gauges quit working every morning about 15 miles in to my 45 mile drive. A/C COMPRESSOR WILL NOT COME ON!!!! - General Cadillac Forums - CaddyInfo Cadillac Forum. njacobsen said: You can only see the battery voltage which fluctuates while driving because the alternator output is controlled by the ECM and stops charging periodically to lessen the load on the engine and therefore save fuel. The check engine light is on with a temp sensor out of range code. Worst 2017 Cadillac XT5 Problems #1: Front Struts/Shocks Gone Bad 2017 XT5 Average Cost to Fix: $1,500 Average Mileage: 28,000 mi #2: Brakes Squeak 2017 XT5 Average Cost to Fix: N/A. Assuming you have a 2017 XT5 as indicated by the title of this thread, the usual problem is with the cooling system and the resolution is usually replacing the thermostat. Our legacy of envisioning—and creating—the way forward continues. So I will bite the bullet and get the Thermostat changed ($350 parts $150 Labor. 7 (305) 2888 Durham Rd, Roxboro, NC (. The 2017 Cadillac XT5 had a message come on saying Service the 2017 Cadillac XT5 had a message come on saying Service Transmission, is this a maintance reminder or a possible problem read more cardoctor74 ASE Certified Technician Vocational, Technical or Tra 31,283 satisfied customers Cadillac XT5 receiving. Usually, if start/stop is working, the battery is good. First, the overall design and materials of the Cadillac XT6 aren’t up to the quality standards of competitors from Acura, Lexus, Lincoln or Volvo. 2017 cadillac xt5 coolant temp sensor replacement. If you have a XT5 built in 2017 and you are not upside-down on the payments trade it in or sell it ro one of you enemies. Then check if you have a good ground. When i start the Suv to drive home gauge still doesnt work and a/c blowes hot for about 3 miles then the gauge starts working and a/c blows cold. Cadillac Ask an Expert Car Questions Cadillac Repair Ask your own question now Mike S. Version 1 Modified GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". 2017 Cadillac XT5 - Cooling and AC issue Maintenance/Repairs cadillac DUKEKINGSBURY March 4, 2022, 6:51pm #1 The Power Steering Assist warning, the engine Temp gauge buries itself to the lowest possible spot, the a/c stops working completely. Offered on the 2023 LYRIQ; * 2021–2023 Escalade; * 2022–2023 XT6; * 2021 and 2023 CT4; * 2021 and 2023 CT5; * and 2018–2020 CT6, available Super Cruise™ is the first true hands-free driving-assistance technology for compatible roads. 0 % 10 % of the time it's the Control Module 0 % 10 % of the time it's the Sensor 0 % 80 % of the time it's the Throttle Common Repairs Throttle Position Sensor Replacement. Make sure to check for user reviews of each Coolant Temperature Sensor product to learn which worked the best for our customers. Open the CUE faceplate and leave it up. But a closer look reveals that there’s a lot of black plastic with. The contact stated that the headlights (intelebeams) were designed to automatically illuminate when approaching a vehicle. Super Cruise utilizes advanced technologies. I have a third return with a customer with a 17 Cadillac XT5 AWD. 1 day ago · Cadillac, as is the case with several other automakers, has signaled its intent to fully electrify its lineup of cars, crossovers and sport utility vehicles. Open the CUE faceplate, thereby exposing the storage area behind it. Our car experts choose every product we feature. I can unlock, lock, remote start but nothing happens when I press to start Mechanic's Assistant: Do any lights still turn on? Have you had problems starting it before? Just got it last week. The scan data you are seeing is likely a… Chris 2y. senshe said: hey everyone so my XT5 2017 suddenly show up this massege about ( steering assist is reduced drive with care ) + check engine light + AC fan always on high even without ac working + cooling temperature is cold all the time. If there's no light, check the gas gauge fuse. This lasted for 2 days and then it went back to dropping the water temp, killing the a/c. View all shops Strut Daddy's Complete Car Care 4. Then check if you have a good ground. XT5 Automatic transmission 55,000 miles A D V E R T I S E M E N T S The power steering assist warning happens, the engine temperature gauge stops working, the engine auto stop quits working. Test the coil it should not be any more than 5 OHMS. Super Cruise utilizes advanced technologies to provide the ease and convenience of hands-free driving, even while changing lanes, thanks to Lane Change on Demand, offered on select 2021–2023 Super Cruise-equipped vehicles (excludes 2022 and 2023 XT6). 2017 cadillac xt5 coolant temp sensor replacement. Cadillac, as is the case with several other automakers, has signaled its intent to fully electrify its lineup of cars, crossovers and sport utility vehicles. View and Download Cadillac XT5 2017 owner's manual online. With the faceplate up, turn off the vehicle. Average nationwide discounts on the Cadillac XT5 is currently 1. The most common reason why your car's temperature gauge stays on cold is a faulty coolant temperature sensor. Noticed the AC not blowing very cold back on the first warm day in March here in lower NY. The most common causes that hinders normal operation of air conditioning system on your Cadillac XT5 are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system. Usually, the message will Steering assist is reduced PO128. Hi guys, my name is Bruce and I'm new to the forum. I can unlock, lock, My 2017 Cadillac xt5 is not starting. My temp gauge work then stop work then stop what could cause that; Computer Bus Voltage; Do 2017 thru 2018 xt5 have a disengage switch for stop start option; 2017 Cadillac XT5 Estimates. The needle on the temp gauge doesn't move off of cold. My temp gauge work then stop work then stop what could cause that; Computer Bus Voltage; Do 2017 thru 2018 xt5 have a disengage switch for stop start. The code P0128 - Coolant Temperature Below Thermostat Regulating Temperature means that the engine does not reach expected temperature after running for sufficient time, or in other words, it takes too long to warm up. So I will bite the bullet and get the Thermostat changed ($350 parts $150. MAP Sensor Replacement ($91 - $102) in Prior Lake, MN. Worst 2017 Cadillac XT5 Problems #1: Front Struts/Shocks Gone Bad 2017 XT5 Average Cost to Fix: $1,500 Average Mileage: 28,000 mi. How does the Cadillac XT5 compare to the 2022 Land Rover Defender? Check out all the vital info side-by-side from pricing to performance specs. From its powerful engine to its advanced safety systems, t. If the thermostat was the issue the gauge would still work. That’s called the CUE faceplate. Open the driver’s door and then leave it open for 30-60 seconds. Learn More #2: Brakes Squeak 2017 XT5 Average Cost to Fix: N/A. XT5 Automatic transmission 55,000 miles A D V E R T I S E M E N T S The power steering assist warning happens, the engine temperature gauge stops working, the engine auto stop quits working. supply voltage and ground all ok and no dtc Auto_tech 374 views 1 year ago Temperature Gauge Inoperative - A/C Off - P0128. Psalm80. View and Download Cadillac XT5 2017 owner's manual online. Updated: July 31, 2021. That’s called the CUE faceplate. However, the 2017 Cadillac XT5 electrical system was equipped with many mechanical problems. Resolved Electrical 2017 Cadillac XT5 Platinum 3. Cadillac XT5 features and specs at Car and Driver. The collant temp never got over 189°F. Worst 2017 Cadillac XT5 Problems #1: Front Struts/Shocks Gone Bad 2017 XT5 Average Cost to Fix: $1,500 Average Mileage: 28,000 mi #2: Brakes Squeak 2017 XT5 Average Cost to Fix: N/A. Offered on the 2023 LYRIQ; * 2021–2023 Escalade; * 2022–2023 XT6; * 2021 and 2023 CT4; * 2021 and. Here’s how to test and determine if there is a leak. 2017 XT5 dead battery, AC controls stopped working, AC won't turn on. If you disconnect the lead from the coolant temp sensor in the engine and then use an Ohmmeter to measure the resistance between the sensor's connection point and earth on a hot engine it should read 30-50 Ohms. Today, however, the Wreath and Crest-emblemed brand is still reliant on internal combustion vehicles like the 2024 Cadillac XT6. 6L (S LGX) 8-spd (AF50-8) — 1GYKNFRS1HZ111546 U0401-71 Temp Gauge Show Low When Hot A/C Blows Warm Check Engine Light This is my first post so I have 17 Cadillac XT5 (38k), came in full of codes but main concern was "Check Power Steering Assist" MIL was on and A/C was blowing warm. Here's a few you can book directly with. If the thermostat was the issue the gauge would still work. experience as repair shop manager and technician. XT5 2017 automobile pdf manual download. , ASE Certified Technician 9,827 Satisfied Customers ASE certified Mike S. If I disconnect negative side of battery, it instantly updates and works for a few hours, then stops updating again. If you are under the original Cadillac Powertrain Warranty, the cost could be covered by Cadillac. It is covered by the Powertrain Warranty so no need. 2017 Cadillac XT5 owner reviews More from RepairPal Diagnostic OBD-II codes Dashboard warning lights Get it fixed today at a shop near you Good news! We found 4 RepairPal Certified shops near you. That is the only way you will find this issue. My thoughts are of course electrical. View and Download Cadillac XT5 2017 owner's manual online. Close the door and then start your Cadillac again. You have a high-drain electrical load on the battery (heated and/or cooled seats for example) Your battery is weak/on the way out, a very real possibility for a 2017 model car. It is probably very intermittent. Given the not so small amount of time it takes to design and build a car, changes in the auto industry seem It's about time Cadillac's crossover lineup got some love. I'm sorry to hear about the trouble with your Cadillac today. The CTS is just a 5 volt thermistor like any other. ) GM TSB says corrosion on CTS sensor drops out and causes the a/c to quit, power steering reduced lamp to be activated. How do I diagnose the root cause … read more DarrenD41 Service Manager, Service T Associate Degree General 1,151 satisfied customers. The temp gauge works intermittently. Looking at buying a 2017 XT5, luxury. My 2017 Cadillac xt5 is not starting. Cadillac XT5 The most common reasons a Cadillac XT5 cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems. Discussion Starter · Jun 24, 2018 (Edited by Moderator) Hello all, my 2014 will be at normal operating temperature and occasionally the temperature gauge will drop to the bottom of the scale and the fans turn on, and then the AC will stop blowing cold air. It can also be caused by bad wiring between the cluster and the sensor. The engine is not fully up to temperature; Start-Stop usually only works if the engine is warm. 2017 CT6 3. It turns the a/c off in case the outside temp is below freezing to protect the compressor from damage. 2017 XT5- outside temperature doesn't update on display. Also for: Xt5 2018. 2017 Cadillac XT5 has sealed transmission. If that is all good you should see what your sensors are reading if they are all in working order get a scan tool and see if you can activate your compressor from there. If I disconnect negative side of battery, it instantly updates Ask an Expert Car Questions Cadillac Repair 2017 XT5- outside temperature doesn't update on display. View and Download Cadillac 2017 XT5 owner's manual online. Have a 2017 XT5 that was purchased new, now has 60K miles on it. Eric is online now Continue Related Cadillac Questions Will not start. Given the not so small amount of time it takes to design and build a c. 2017 Cadillac XT5 temp gauge low when hot Chris Owner/Technician Alabama Posted 3 years ago Latest 3 years ago Edited 3 years ago Question Resolved Electrical 2017. Cadillac Mechanic: Keiphun Sowell If the gauge works, then don't work. The contact owns a 2017 Cadillac XT5. « 1 2 3 » Carquest - Coolant Temperature Sensor (Part No. If the fuse is good, connect a jumper between the ignition and the positive side of the gauge. Cadillac xt5 ac compressor/ac blower not working!no DTC. In some cases, it can also be a stuck thermostat causing the engine not to heat up properly. If I remove the plug on top of transmission is there a fluid level indicator or other way to … read more Marcus Automotive Technician Motorcycle and small engin 907 satisfied customers I have a Cadillac 2017 xt5 I had to reprogramm my key fob. Super Cruise utilizes advanced technologies to provide the ease and convenience of hands-free driving, even while changing lanes, thanks to Lane Change on Demand, offered on select 2021–2023 Super Cruise-equipped vehicles (excludes 2022 and 2023 XT6). Check for Recalls Questions / Cadillac / XT5 / 2017 / My temp gauge work then My temp gauge work then stop work then stop. Ask Your Own Cadillac Question Makes sense. It also turns on both cooling fans in case the engine is. Date: May-2017 Subject: Information on Steering Assist Reduced Displayed on Driver Information Center (DIC) - DTCs P0128 and U0401 Set Brand: Model: Model Year: VIN: Engine: Transmission:Brand: Model: from to from to Engine: Transmission: Cadillac XT5 2017 2017 LGX GMC Acadia (VIN N) 2017 2017. Suv is in the parking lot for 8 hours. By MEMPHIS10CADILLAC, April 10, 2011 in General Cadillac Forums. Engine stop-start defeat button in a 2019 Chevrolet Silverado 1500. 2017 Cadillac XT5. View and Download Cadillac 2017 XT5 owner's manual online. Select 2021 and 2022 Cadillac vehicles will also be eligible for Super Cruise Upgrades which. Every so often (EXTREMELY RANDOM) the temp guage will show nothing, the fans will kick on at 100%, and steering assist will be decreased. 6L (S LGX) 8-spd (AF50-8) — 1GYKNFRS1HZ111546 U0401-71 Temp Gauge Show Low When Hot A/C Blows Warm Check Engine Light This is my first post so I have 17 Cadillac XT5 (38k), came in full of codes but main concern was "Check Power Steering Assist" MIL was on and A/C was blowing warm. 6L, temp gauge was at 160 for about 15 min, a/c blowing hot. Hi Tamara, am I understanding correctly that your 2017 Cadillac temp gauge is not working, and your cooling fan is running on high speed as soon as you start vehicle, and you are looking for guidance on what could be the issue? 2017 Cadillac XT5 has sealed transmission. It all ways has times you feel warm air in vehicle when temperature outside is in 80 -90 degrees. 2017 Cadillac XT5 has sealed transmission. And the auto off shows off all the time. So when i get home i would keep taking off the negative battery terminal and retighten it. Open the driver’s side door Wait 30-60 seconds with the driver’s side door open Close the door and start the vehicle Lower the faceplate Note: a hard reset or restart does not reset system. My 2017 Cadillac xt5 is not starting. 8% off 2022 models My Recommendation for Car Shoppers TrueCar No-Haggle. I finally realized that i was tightening it down to tight and put a groove in the battery terminal. Check out the full specs of the 2021 Cadillac XT5 Sport, from performance and fuel economy to colors and materials The Sport is more of a styling package, but it does come with a few additional features to enhance the driving experience. WT5146) Description Read 3 review (s) from $34. Resolved Electrical 2017 Cadillac XT5 Platinum 3. Date: May-2017 Subject: Information on Steering Assist Reduced Displayed on Driver Information Center (DIC) - DTCs P0128 and U0401 Set Parts Information No parts are required for this repair. If you can you can safely assume that its not on the output side of your system. When i start the Suv to drive home gauge still doesnt work and a/c blowes hot for about 3 miles then the gauge starts working and a/c blows cold. 2017 cadillac xt5 coolant temp sensor replacement. So when i get home i would keep taking off the negative battery. My 2017 XT5 (59k miles) is at the dealership for the second full day with the exact same issue albeit with a slight difference. I can unlock, lock, remote start but nothing happens when I press to start … read more Jonathon Diagnostic Technician Bachelor's Degree 300 satisfied customers Steering assist is reduced PO128. Open the CUE faceplate and leave it up. My 2017 acadia started getting the power assist message and temperature gauge drop everyday. Reply Save Like 1 - 6 of 6 Posts njacobsen · #2 · Sep 29, 2022 Your thermostat needs to be replaced. Date: May-2017 Subject: Information on Steering Assist Reduced Displayed on Driver Information Center (DIC) - DTCs P0128 and U0401 Set Parts Information No parts are required for this repair. You move the steering wheel when at a stop You have a high-drain electrical load on the battery (heated and/or cooled seats for example) Your battery is weak/on the way out, a very real possibility for a 2017 model car. The issue would be the gauge would be reading the coolant level is cool or high.