Gmc acadia engine coolant temperature sensor

Notes: Engine Coolant Temperature Sensor. GM Original Equipment. Mating connector with leads use PT2183. ... 2008 GMC Acadia Vehicle/Transmission Speed Sensor; 2008 ...

Gmc acadia engine coolant temperature sensor. 446. 131K views 4 years ago. This is my FIRST EVER attempt at making a video so apologies in advance for the quality. I wanted to share how to replace the temperature sensor on my wife's GMC...

Duralast Coolant Temperature Sensor SU14828. $49. Location: Coolant Temperature Sensor. Part # SU14828. SKU # 558876. Limited-Lifetime Warranty. Checkif this fits your 2021 GMC Acadia. Select store for pickup availability. StandardDelivery by Apr. 23.

1 Jul 2023 ... Removing Engine Coolant Temperature Sensor on 2014 GMC Acadia Denali 3.6L, Ajo, Arizona, 1 July, 2021, AC Delco GM Original Equipment ...It would appear that the coolant temperature sensor is in a different location for 2017 - 2020 GMC Acadia V6s than it was prior to 2017. Can you offer information as to its location? Monday, December 14th, 2020 AT 1:28 PM. 7 Replies ... Ther engine coolant temperature sensor shown here at #9. Check out the diagrams (Below). Please let us …Quick simple video to show you where the temperature sensor is located how to change it.The coolant temperature sensor , abbreviated as CTS, in your 2013 GMC Acadia is an important device that enables the control unit to give alerts if the engine is overheating or if the temperature within the system is rising for some reason. The Coolant Temperature Sensor's Function This device works on the principle of dependence of potential …This problem finally came to my ‘18 Acadia SLT w/ 82k. Same issues as most other: 1) Steering Assist Disabled message, 2) Temp gauge on 0, 3) Radiator fan on max, 4) AC compressor declutched. P0182 comes up when scanned. Battery slightly over 1 yr old, terminals completely clean and tight.An ACDelco GM Original Equipment Engine Coolant Temperature Sensor monitors the engine temperature, and is a GM-recommended replacement for your vehicle’s original component. ... Fits my wife's 2019 GMC Acadia Denali. Was a bit of work getting it in... You'll need a short well 15mm socket, or 14, I can't remember. Plus a …The average cost for GMC Acadia Engine Coolant Temperature Sensor Replacement is $144. Drop it off at our shop and pick it up a few hours later, or save time and have our Delivery mechanics come to you. Car Location Price 2009 GMC Acadia . 3.6L V6 SLT • …Everything I have found leads to the Engine Coolant Temperature Sensor. It isn't hard getting to the sensor, but can't figure out how to get it out. I think I have to remove the Thermostat to get a socket or wrench on the sensor. ... 2007 GMC Acadia SLT-2, 'HiYo' Silver outside, Ebony/Titanium inside, no NAV, no HUD, no errors. Save Share. …

Where is engine coolant temperature located on 2017 gmc acadia. 70000 - Answered by a verified GMC Mechanic ... Hey man, i have replaced both the thermostat and Engine coolant temperature sensor and it has not resolved my issue. As soon as I start the car, the fan kicks on high speed, the temp gauge stays at the bottom, and i get …GMC > 2014 > ACADIA > 3.6L V6 > Cooling System > Temperature Sender ... {#12639899} Sensor; Engine Coolant Temperature Sensor . BOSCH . $10.42: $0.00: $10.42: Alternate: Quantity: Add to Cart. STANDARD MOTOR PRODUCTS {#12566778, 12639899 ... 213-4777} Sensor; GM Original Equipment . MATING CONNECTOR w/ …96 posts · Joined 2010. #1 · Jun 25, 2011. My 2010 Acadia with 32k miles has been sporadically throwing a check engine light this week. Today it stayed on. I plugged a diagnostic tester and it reported DTC P0119 Engine Coolant Temperature Circuit Intermittent/Erratic. For grins, I checked the coolant level in the reserve tank and was ...8 Jul 2023 ... Engine Coolant Temperature reading drops out and Air Conditioner stops working intermittently, Flakey Engine Coolant Temperature Sensor ...This original equipment engine coolant temperature sensor has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ... 2134777 Coolant Temperature Sensor Compatible with Buick Allure Enclave Cadillac CTS SRX STS Chevy Malibu Traverse GMC Acadia …GMC > 2014 > ACADIA > 3.6L V6 > Cooling System > Temperature Sender ... {#12639899} Sensor; Engine Coolant Temperature Sensor . BOSCH . $10.42: $0.00: $10.42: Alternate: Quantity: Add to Cart. STANDARD MOTOR PRODUCTS {#12566778, 12639899 ... 213-4777} Sensor; GM Original Equipment . MATING CONNECTOR w/ …

Jan 15, 2011 · An ACDelco GM Original Equipment Engine Coolant Temperature Sensor monitors the engine temperature, and is a GM-recommended replacement for your vehicle’s original component. The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. This original equipment engine coolant temperature ... Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. P0119 code definition Engine Coolant Temperature (ECT) sensor circuit intermittent malfunction problem. What the P0119 code means P0119 is the generic OBD-II code which indicates that the Engine Control Module (ECM) …If warmer than 149° C (300° F): Test or replace the Engine Coolant Temperature Sensor. Diagnostic Tips. The coolant temperature gauge will display full cold when an ECT DTC sets. After starting the engine, the ECT sensor 1 temperature should rise steadily, then stabilize after the thermostat opens. Scan Tool Data ParametersOct 2, 2023 · If you need to change the thermostat or the coolant temperature sensor on your 2019 GMC Acadia SLT, this video will show you how to do it step by step. Learn from the experience of a professional ... Equip cars, trucks & SUVs with 2018 GMC Acadia Coolant Temperature Sensor from AutoZone. Get Yours Today! ... Engine Coolant Temperature Sensor. GM Original Equipment ...The coolant temperature sensor on your vehicle monitors the temperature of your cooling system and feeds the temperature gauge or temperature warning light on your dash. This helps prevent damage to your engine due to overheating, which may be caused by low cooling system levels, radiator or thermostat failure, and other factors.

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An ACDelco GM Original Equipment Engine Coolant Temperature Sensor monitors the engine temperature, and is a GM-recommended replacement for your vehicle’s original component. ... Fits my wife's 2019 GMC Acadia Denali. Was a bit of work getting it in... You'll need a short well 15mm socket, or 14, I can't remember. Plus a …2019 GMC Acadia Sensor, Engine Coolant Temperature. Part Number: 12656444. Vehicle Specific. Other Name: SENSOR, Coolant Temperature (Engine Unit); Coolant Temperature Sensor, Temperature Sensor; Replaces: 12636534 $12.60 MSRP: $ 22.25. You Save: $9.65 (44%)Check the fit. Add to Cart. More Info.Acadia Healthcare Co (NASDAQ:ACHC) has observed the following analyst ratings within the last quarter: Bullish Somewhat Bullish Indifferent S... Acadia Healthcare Co (NASDAQ:A...96 posts · Joined 2010. #1 · Jun 25, 2011. My 2010 Acadia with 32k miles has been sporadically throwing a check engine light this week. Today it stayed on. I plugged a diagnostic tester and it reported DTC P0119 Engine Coolant Temperature Circuit Intermittent/Erratic. For grins, I checked the coolant level in the reserve tank and was ...The coolant temperature sensor, abbreviated as CTS, in your car is an important device that enables the control unit to give alerts if the engine is overheating or if the temperature within the system is rising for some reason. The Coolant Temperature Sensor's Function. This device works on the principle of dependence of potential …

If the three reported temperatures are not within spec a code is set. If the one out is the CTS, then the vehicle will disable the coolant temperature gauge, turn on the engine light, turn on the cooling fans, disable the AC, enrich the engine to quench combustion temperatures, and go into overheat protection mode.Duralast Coolant Temperature Sensor SU14828. $49. Location: Coolant Temperature Sensor. Part # SU14828. SKU # 558876. Limited-Lifetime Warranty. Checkif this fits …P0117 code indicates that the vehicle’s powertrain control module or PCM has detected a low voltage input from the engine coolant temperature (ECT) sensor 1. Once the PCM detects a signal voltage … Autotecnica Coolant Temperature Sensor GM1417050. $1099. Location: Coolant Temperature Sensor. Part # GM1417050. SKU # 1323178. Year Warranty. Checkif this fits your 2013 GMC Acadia. Select store for pickup availability. StandardDelivery by May 02. No matter the situation, Advance Auto Parts has the Coolant Temperature Sensor product you desperately need. We currently carry 4 Coolant Temperature Sensor products to choose from for your 2021 GMC Acadia, and our inventory prices range from as little as $8.99 up to $24.51. On top of low prices, Advance Auto Parts offers 2 different trusted ...The coolant temperature sensor , abbreviated as CTS, in your 2019 GMC Acadia is an important device that enables the control unit to give alerts if the engine is overheating or if the temperature within the system is rising for some reason. The Coolant Temperature Sensor's FunctionFeb 27, 2023 · Here is a more detailed list of the signs of a bad or failing coolant temperature sensor to look for: 1. Check Engine Light. One of the first signs of all coolant temperature sensor symptoms you will probably notice is that the check engine light will show up on your dashboard. If the computer detects any problem with the sensor’s circuit, it ... Aug 5, 2010 · Shadofire. GM vehicles run a temperature sensor calibration check after an 8 hour cold soak. On start up the computer compares the temperatures of the intake air temp sensor, coolant temp sensor, and ambient air temp sensor. If the three reported temperatures are not within spec a code is set. If the one out is the CTS, then the vehicle will ... Oct 24, 2019 · How to replace the coolant temperature sensor on a 2014 GMC Acadia. I thought the issue was the thermostat but when I went to the parts store the code came b... Autotecnica Coolant Temperature Sensor GM1417050. $1099. Location: Coolant Temperature Sensor. Part # GM1417050. SKU # 1323178. Year Warranty. Checkif this fits your 2013 GMC Acadia. Select store for pickup availability. StandardDelivery by May 02. The coolant temperature sensor , abbreviated as CTS, in your 2011 GMC Acadia is an important device that enables the control unit to give alerts if the engine is overheating or if the temperature within the system is rising for some reason. The Coolant Temperature Sensor's Function This device works on the principle of dependence of potential …

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If you need to change the thermostat or the coolant temperature sensor on your 2019 GMC Acadia SLT, this video will show you how to do it step by step. Learn from the experience of a …Art-deco design cues of the 1937 GMC pickup included an intricate grille and sweeping lines. See pictures and learn about the elegant 1937 GMC pickup. Advertisement With styling in...Quick simple video to show you where the temperature sensor is located how to change it.Art-deco design cues of the 1937 GMC pickup included an intricate grille and sweeping lines. See pictures and learn about the elegant 1937 GMC pickup. Advertisement With styling in...The coolant temperature sensor on your vehicle monitors the temperature of your cooling system and feeds the temperature gauge or temperature warning light on your dash. This helps prevent damage to your engine due to overheating, which may be caused by low cooling system levels, radiator or thermostat failure, and other factors.Engine light was on and coolant gauge was not registering temperature. Easy fix would only recommend using a 6” extension and universal joint to get to sensor. GM likes to put things in hard to reach places.Acadia gmc thermostat denali 2011 gmc acadia climate control module has gone dark. no power Coolant temperature sensor location?: it would appear that the. Coolant Temperature Sensor Location?: It Would Appear That the Acadia gmc sensor coolant temperature engine replace Gmc acadia air filter cabin replacement conditioningGet the best deals on an aftermarket 2015 GMC Acadia Coolant Temperature Sensor. Lifetime Replacement Guarantee. ... 2015 GMC Acadia SLT All Engines; 2015 GMC Acadia SLE All Engines; 2015 GMC Acadia Denali 6 Cyl 3.6L; Product Details. Warranty : Facet limited warranty Quantity Sold : Sold individually Prop 65 Warning :This helps prevent damage to your engine due to overheating, which may be caused by low cooling system levels, radiator or thermostat failure, and other factors. Coolant …

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Equip cars, trucks & SUVs with 2018 GMC Acadia Coolant Temperature Sensor from AutoZone. Get Yours Today! ... Engine Coolant Temperature Sensor. GM Original Equipment ...30 Oct 2020 ... Comments27 ; 2014 GMC Acadia Coolant temperature Sensor replacement. D. Brooks · 56K views ; Brake Pedal Goes To The Floor When The Engine Is ...13 Oct 2022 ... This GMC Acadia with the 3.6L has the check engine light on and the cooling fans stuck on. Join us as we share how to quickly test and ...29 Aug 2021 ... GMC 3.6 V6 LGX 2016 & above: Easy way to replace coolant temperature sensor (ECT): 2019 Acadia P0128. Mil-usos Miller•41K views · 4:43.7 Dec 2019 ... ... engine struggled to start. I looked at the coolant temperature gauge and was up a little bit off the bottom. That wasn't right because it ...Great prices on aftermarket 2020 GMC Acadia auto parts and accessories. Order online and have it delivered, or pick up at your local store. ... 2020 GMC Acadia Coolant Temperature Sensor. 2020 GMC Acadia Crankshaft Position Sensor. ... 2020 GMC Acadia Engine Coolant Pipe Gasket. 2020 GMC Acadia Engine Coolant Pipe O-Ring.1. Your check engine light is on: If the engine’s computer detects a problem with the coolant temperature sensor, or its circuit, it will turn on the check engine light. 2. Your engine stalls: When the engine is first started, it will require more fuel in order to idle smoothly until it’s warmed up. The signal from the coolant temperature ...2013 GMC Acadia Coolant Temperature Sensor. Buy Online. Pick Up In-Store. Brand. ACDelco (1) Autotecnica (1) Bosch (1) Delphi (1) Duralast (1) NTK (1) Santech (1) ... Notes: Engine Coolant Temperature Sensor. GM Original Equipment. Mating connector with leads use PT2183. PRICE: 34.99Location:: Coolant Temperature Sensor.This original equipment engine coolant temperature sensor has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ... 2134777 Coolant Temperature Sensor Compatible with Buick Allure Enclave Cadillac CTS SRX STS Chevy Malibu Traverse GMC Acadia …Dorman Coolant Temperature Sensor and Switch Connector 645-164. Part # 645-164. SKU # 1184447. Limited-Lifetime Warranty. Check if this fits your GMC Acadia. $4799. Select store. for pickup availability. Standard Delivery by Apr. 23.Failing Component: Engine And Engine Cooling:Engine. Summary: Buick/chevrolet/GMC: malfunction indicator lamp (MIL) on; DTC P0300, P0303, P0306, P062B, P0698, P0532, P0335, P0222 or P0122 set, engine harness chaffing. Concern may be caused by engine wiring harness making contact with back of bank 2 cat.The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. This original equipment engine coolant temperature sensor has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ….

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. P0119 code definition Engine Coolant Temperature (ECT) sensor circuit intermittent malfunction problem. What the P0119 code means P0119 is the generic OBD-II code which indicates that the Engine Control Module (ECM) …3 May 2023 ... 2011 GMC Acadia 3.6L Overheating, No Leaks. P1258-Engine Coolant Temp Overtemp. 15K views · 11 months ago ...more ...2010 GMC Acadia Mass Air Flow Sensor; 2010 GMC Acadia Coolant Temperature Sensor; 2010 GMC Acadia Crankshaft Position Sensor; 2010 GMC Acadia Camshaft Position Sensor; 2010 GMC Acadia Engine Variable Timing Solenoid; 2010 GMC Acadia Vehicle / Transmission Speed Sensor; 2010 GMC Acadia Canister Vent Valve Solenoid; Show Less96 posts · Joined 2010. #1 · Jun 25, 2011. My 2010 Acadia with 32k miles has been sporadically throwing a check engine light this week. Today it stayed on. I plugged a diagnostic tester and it reported DTC P0119 Engine Coolant Temperature Circuit Intermittent/Erratic. For grins, I checked the coolant level in the reserve tank and was ...Vlogs of me fixing things! Subscribe, like and comment for more videos like this one!Mar 13, 2021 · The Coolant Temp Sensor is located right next to the dip stick and down below the oil fill cap. easy to spot but you are looking for a Silver round tube that is about 1.5" x 3" with a wire going into the middle of the top. This silver tube protects your temp sensor from the heat of the exhaust. The engine coolant temperature sensor is important in maintaining engine drivability. That’s why if the P0119 code sets, it must be addressed immediately to prevent more issues down the line. Users have reported p0119 for the following makes: Chevrolet (especially on a Chevy Cruze), GMC, Buick, Ford, and Cadillac.Locate the coolant temperature sensor. It’s usually positioned near the thermostat housing, where the top radiator hose connects to the engine. Once you’ve found the sensor, visually inspect it for any obvious signs of damage or corrosion. If no visible damage is detected, the sensor can be tested using a digital multimeter. The resistance ...Analysts have provided the following ratings for ACADIA Pharmaceuticals (NASDAQ:ACAD) within the last quarter: Bullish Somewhat Bullish Indif... Analysts have provided the fol... Gmc acadia engine coolant temperature sensor, Notes: Engine Coolant Temperature Sensor O-Ring. Transmission code 9T50, CAN, USA region. GM Original Equipment. PRICE: 7.49Location:: Coolant Temperature …, In recent years, the Internet of Things (IoT) has revolutionized the way we interact with our homes. From smart thermostats to connected appliances, homeowners now have unprecedent..., 2017 GMC Acadia Limited V6-3.6L. Service type. Engine Coolant Temperature (ECT) Sensor Replacement. Estimate. $258.95. Shop/Dealer Price. $304.94 - $420.41. Show example GMC Acadia Limited Engine Coolant …, Coolant temperature sensor replacement, 2008-2021 GM part # 55591401 - Engine Coolant Temperature Sensor. ... Engine Coolant Temperature Sensor - GM (55591401) GM OEM 2008-2021 GM Engine Coolant Temperature Sensor - 55591401. MSRP: $38.96; Discount: $17.24 (44.3% off) Sale Price: $21.72; Make sure this part fits your Car. Add to Cart., Notes: Engine Coolant Temperature Sensor. GM Original Equipment. Mating connector with leads use PT2183. ... 2012 GMC Acadia Camshaft Position Sensor; 2012 GMC Acadia ... , Notes: Engine Coolant Temperature Sensor. GM Original Equipment. Mating connector with leads use PT2183. ... 2010 GMC Acadia Vehicle / Transmission Speed Sensor; 2010 ... , 30 Oct 2020 ... Comments27 ; 2014 GMC Acadia Coolant temperature Sensor replacement. D. Brooks · 56K views ; Brake Pedal Goes To The Floor When The Engine Is ..., Equip cars, trucks & SUVs with 2010 GMC Acadia Coolant Temp Sensor Connector from AutoZone. Get Yours Today! We have the best products at the right price. ... 2010 GMC Acadia Engine Variable Timing Solenoid; 2010 GMC Acadia Vehicle / Transmission Speed Sensor; 2010 GMC Acadia Canister Vent Valve Solenoid; Show Less. Related Makes., Dorman Coolant Temperature Sensor and Switch Connector 645-164. Part # 645-164. SKU # 1184447. Limited-Lifetime Warranty. Check if this fits your 2015 GMC Acadia. PRICE: 47.99., P0117 code indicates that the vehicle’s powertrain control module or PCM has detected a low voltage input from the engine coolant temperature (ECT) sensor 1. Once the PCM detects a signal voltage that’s lower than the normal operating range of the sensor, the OBD code P0117 registers in your vehicle’s memory. The low signal that the …, How to replace the coolant temperature sensor on a 2014 GMC Acadia. I thought the issue was the thermostat but when I went to the parts store the code came b..., This helps prevent damage to your engine due to overheating, which may be caused by low cooling system levels, radiator or thermostat failure, and other factors. Coolant …, These OE engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Helps keep engine running at proper temperature. Alerts vehicle operator of high engine temperature conditions. GM-recommended replacement part for your GM ..., #coolanttemperturesensor #GMC #DIY #denaliSensor $33 at GMC dealer...you can change it yourself .., Equip cars, trucks & SUVs with 2020 GMC Acadia Coolant Temperature Sensor from AutoZone. Get Yours Today! We have the best products at the right price. ... Notes: Engine Coolant Temperature Sensor O-Ring. Transmission code 9T50, CAN, USA region. GM Original Equipment. PRICE: 7.49Location:: Coolant Temperature Sensor, No matter the situation, Advance Auto Parts has the Coolant Temperature Sensor product you desperately need. We currently carry 4 Coolant Temperature Sensor products to choose from for your 2021 GMC Acadia, and our inventory prices range from as little as $8.99 up to $24.51. On top of low prices, Advance Auto Parts offers 2 different trusted ..., Replacing a bad coolant temp sensor on a 2014 Acadia.Sensor:Coolant Temperature Sensor, ECT Temp Sensor Replace 213-4777, 12639899 Compatible with Buick Cadi..., 2012 GMC Acadia Coolant Temperature Sensor. Buy Online. Pick Up In-Store. Brand. ACDelco (1) Autotecnica (1) Bosch (1) Delphi (1) Duralast (1) NTK (1) Santech (1) ... Notes: Engine Coolant Temperature Sensor. GM Original Equipment. Mating connector with leads use PT2183. PRICE: 34.99Location:: Coolant Temperature Sensor., The engine temperature signal is used by the engine control module to adjust the air/fuel mixture and ignition timing. These OE engine coolant temperature sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Let ACDelco help you optimize your GM ..., Acadia Healthcare Co (NASDAQ:ACHC) has observed the following analyst ratings within the last quarter: Bullish Somewhat Bullish Indifferent S... Acadia Healthcare Co (NASDAQ:A..., This temp sensor is located next to the thermostat which is located in a difficult spot to reach, and normally would require the removal of the intake manifo..., The coolant temperature sensor on your vehicle monitors the temperature of your cooling system and feeds the temperature gauge or temperature warning light on your dash. This helps prevent damage to your engine due to overheating, which may be caused by low cooling system levels, radiator or thermostat failure, and other factors., Notes: Engine Coolant Temperature Sensor. CAN, MEX, USA region. GM Original Equipment. ... 2015 GMC Acadia Camshaft Position Sensor; 2015 GMC Acadia Engine Variable ... , The first electric Hummers will be making their way to their new owners this holiday season. According to Autoblog, GMC boss Duncan Aldred has announced that deliveries of the Humm..., 2014 GMC Acadia Denali. speleos. Like. speleos. 23754 posts · Joined 2007. #4 · May 24, 2018. I'm assuming that's how the tech made a diagnosis of the problem. If Engine Coolant Temperature (ECT) sensor data couldn't be read at the OBD-II port, a different problem would have been indicated. I appreciate your offer, @PedroOliveira., Fan & Motor. XT5. 3.6L, with trailer pkg. Acadia. With trailer provisions. Blazer. With hd cooling. Helps keep engine operating at its optimal operating temperature This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors, I have an intermittent problem, when it got into the mid 90's in stop and go traffic today, the coolant temp rose to 227. When it was 100 out last week, the coolant temps rose into the mid 230's. The Trailblazer seldom changed temps. Once it warmed up, it was in the 194-200 range, depending on the outside temperature and the rate of speed., Jun 24, 2018 · Anybody figure it out. My 2014 GMC Acadia Just started do the same exact thing!! Temp gauge drops to straight down, Fan blowing full and loud, A/C still Blows but Not cold and the recirculation button flashes. Kind of odd that it is the 2014's that have started doing this. Another way for GMC to make up spend money. , Find your TRQ parts here: http://1aau.to/m/ETCG0118EricTheCarGuy is here! He's visiting TRQ to explain check engine codes to you! In this video, Eric the Car..., Step 2 - Locate Coolant Temperature Sensor. The coolant temperature sensor is located on the front of the engine block. This will vary on some cars where the pulleys are located on the side of the vehicle. However, the sensor is still located amongst the pulley system. Hold a drop light over the area and locate the sensor., The coolant temperature sensor , abbreviated as CTS, in your 2019 GMC Acadia is an important device that enables the control unit to give alerts if the engine is overheating or if the temperature within the system is rising for some reason. The Coolant Temperature Sensor's Function , Anybody figure it out. My 2014 GMC Acadia Just started do the same exact thing!! Temp gauge drops to straight down, Fan blowing full and loud, A/C still Blows but Not cold and the recirculation button flashes. Kind of odd that it is the 2014's that have started doing this. Another way for GMC to make up spend money.