Jeep dtc p0480

Labor: 1.0. To diagnose the P0480 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

Jeep dtc p0480. Jeep Platform Discussion. WK2- Grand Cherokee (2011-2021/22 WK) WK2 -Trouble Shooting/Problems/Service ODBII Trouble Code P0480 ... I am getting a P0480 code and am looking for a resolve. The code is saying it is a Cooling Fan Relay 1 Control Circuit. Where is this located? The only relays I see in the fuse box are the Radiator Fan …

Diagnose and fix jeep wrangler p0457 Pre-owned 2016 jeep unlimited sport 4d sport utility in midwest city # P0480 dodge cooling code caravan repair dtc fans fault. Unlimited 4wd. Jeep wrangler leak detection pump p0455 / p0456 .. Check Details Check Details. Jeep Wrangler Leak Detection Pump P0455 / P0456 - YouTube. Check Details

Thailand official web site. Welcome to Jeep® Thailand official web site, managed by Belfort Automobile as the official importer and distributor of Jeep® vehicles in the country. Here …Jeep wrangler jk trailer wiring harness / 4 way jeep wrangler tow hitchJeep p0480 u0100 patriot compass codes Jeep jk wrangler retrieve diagnostic trouble code dtcCodes p0480, p0481, u0100, p0691, p0693, c2202.NOTE: P0481 speaks of the basic circuit, however codes P0480 and P0482 relate to the same problem with the only difference is they relate to the different fan speed relays. Symptoms. Symptoms may include: Check engine light (malfunction indicator lamp) illumination and code P0481 set; Engine temperature will rise when the vehicle stops …#1 · Dec 3, 2021. I am getting a P0480 COOLING FAN 1 CONTROL CIRCUIT. 2012 GC WK2 3.6L V6 Laredo. I can reset the code but it comes back on after a while. Specifically, it comes back when the "oxygen sensor monitor" completes its check. With the code, I don't think it's going to pass it's emissions test. Besides, it's annoying me!Hi all, I have a cooling issue where the check engine light comes on, code P0480 "COOLING FAN 1 CONTROL CIRCUIT." I looked up the procedure in the FSM but I'm confused because on the 5.7 it's a hydraulic fan controlled by a solenoid and a PWM signal and to my understanding there is no relay involved... It's an issue because the …Labor: 1.0. To diagnose the P0480 Ford code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

Dec 3, 2021 · I have a decent OBD scanner (in the $100 range) that was giving the code (P0480 - COOLING FAN 1 CONTROL CIRCUIT). Looked at the service manual for this code and did some trouble shooting. Mostly checking connections, checking fuses, relays, etc. Conclusion. P0480 is usually caused by a bad fan or a bad fan relay. Good luck fixing your Dodge Charger! P0480 is a relatively common OBDII trouble code. It indicates that your Dodge Charger's "cooling fan 1 control circuit" is malfunctioning. It's a generic code, so it has the same meaning for any vehicle made for the 1996 model year …Apr 23, 2019 · Labor: 1.0. To diagnose the P0480 Ford code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. Trouble code P0480. Hello everyone! This is my first post on this website. I have a Jeep Grand Cherokee 2012 overland. Yesterday while in the car wash the engine light came on. I used the nTune dcx device to read the trouble code. It was P0480 - some fan malfunction... Can't really understand from the search in the internet.Fix P0480: Mechanic’s solutions that WORKED. The code P0480: Cooling Fan 1 Control Circuit Malfunction indicates a malfunction in the control circuit of the engine cooling fan 1. It’s typically a sign that the fan isn’t operating as expected, which can stem from a variety of electrical issues, from a blown fuse to a faulty fan motor.Jan 27, 2022 · Conclusion. P0480 is usually caused by a bad fan or a bad fan relay. Good luck fixing your Jeep Compass! P0480 is a relatively common OBDII trouble code. It indicates that your Jeep Compass's "cooling fan 1 control circuit" is malfunctioning. It's a generic code, so it has the same meaning for any vehicle made for the 1996 model year and up. To diagnose the P0480 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Hi all, I have a cooling issue where the check engine light comes on, code P0480 "COOLING FAN 1 CONTROL CIRCUIT." I looked up the procedure in the FSM but I'm confused because on the 5.7 it's a hydraulic fan controlled by a solenoid and a PWM signal and to my understanding there is no relay involved... It's an issue because the hydraulic fan ...

Stellantis brand Jeep descended on Moab, Utah for its annual off-roading and roadshow and showcased seven concept vehicles. When Stellantis brand Jeep descended on Moab, Utah this ...The fan won't. I have a 2004 Jeep Liberty with 3.7L engine, 72,000 miles.It has DTC p 481, cooling fan control 2 circuit. The fan won't run when engine reaches operating temp. If you turn on the A/C it takes at least 3 minutes for the cooling fan to turn on {203 degrees}. The fan runs about 5 seconds shuts off, it will cycle like this when it ...In today's video Mike and Andrew review a great product offered through our supplier Dorman Products. A common failure component on Volkswagens is the coolin...How to Fix the DTC P0480 2015 GMC Sierra? Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.1. Check the Battery for Possible Issues. The battery helps generate the voltage required to run the internal system of your Jeep. And without a properly functioning battery, the P0562 code can appear, as it is mainly a ‘low voltage code’. A good battery will have about 12 volts without the engine running.

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The park, along with Peak Wilderness Protected Area and Knuckles Conservation Forest, make a World Heritage Site called The Central Highlands of Sri Lanka. To see the end of the wo...Conclusion. P0480 is usually caused by a bad fan or a bad fan relay. Good luck fixing your Jeep Patriot! P0480 is a relatively common OBDII trouble code. It indicates that your Jeep Patriot's "cooling fan 1 control circuit" is malfunctioning. It's a generic code, so it has the same meaning for any vehicle made for the 1996 model year and up.P0107. P0108. P0121. P0130. P0234. P0403. The meaning of fault code P0480 is: Cooling Fan Relay 1 Control Circuit. Find out what exactly this means, the symptoms and causes of the code P0480 and how to fix the malfunction.Make: Jeep. Code: P0610. Definition: ECU Vehicle Options Mismatch. Description: The Powertrain Control Module (PCM) stores a copy of the vehicle’s module build configuration in its EEPROM. If the stored information in the PCM does not match the information sent over by the Body Control Module (BCM) of what modules are active on the Controlled ...Description. OBD-II Trouble Code Description for P0480 Jeep. Fan 1 Control Circuit. What does this mean? OBD2 Code P0480 Jeep definition:

Jeep cherokee relay ac fuse blower motor2015 jeep cherokee ac fuse, blower motor relay & fuse P0480 dodge cooling code caravan repair dtc fans faultFan town country cooling p0480 chrysler caravan. Codes p0480, p0481, u0100, p0691, p0693, c2202 .Diagnostic Trouble Code P0480 is defined as Cooling Fan 1 Control Circuit Malfunction. It indicates that PCM has detected an incorrect amount of voltage (high or low) in the electric cooling fan control circuit. Voltage variations that vary by greater than 10-percent of the manufacturer’s specified reference voltage will cause this code to be ...The cost to diagnose the P0480 Mercedes-Benz code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most …Feb 6, 2015 · Frango100. 8309 posts · Joined 2009. #3 · Aug 24, 2017. Its most probably the 50A fuse which is blown. You could try a new fuse first, but if it blows again, or there is a wire short somewhere, or the cooling fan is drawing too much current. Frank. JEEP Grand Cherokee 4.7 Lmtd 2004:thumbsup: Quad Squad member. AUBURN HILLS, Mich., Jan. 18, 2022 /PRNewswire/ --New factory-backed, Wi-Fi-capable, Level 2 (240-volt), at-home, hybrid-electric-vehicle, wall ch... AUBURN HILLS, Mich., Jan. 18, ... =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====nonda Auto DIY Center is the biggest ... What are the Possible Causes of the DTC P0480 Dodge? NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Faulty fan control relay. Fan control relay harness is open or shorted. Fan control relay circuit poor electrical connection. The Diagnostic Trouble Code (DTC) will be set when the commanded state of the driver and the actual state of the control circuit do not match for greater than 5 s. **Cooling Fan design may vary. P0480 Chevrolet Code - Cooling Fan 1 Control Circuit

Diagnose and fix jeep wrangler p0457 Pre-owned 2016 jeep unlimited sport 4d sport utility in midwest city # P0480 dodge cooling code caravan repair dtc fans fault. Unlimited 4wd. Jeep wrangler leak detection pump p0455 / p0456 .. Check Details Check Details. Jeep Wrangler Leak Detection Pump P0455 / P0456 - YouTube. Check Details

To fix the P0481 fault code, start by visually inspecting the wiring harness and connectors. Look for any damage or corrosion. Check the fan control relay and cooling fan for faults. Make sure there are no open or shorted circuits and ensure a good electrical connection. Take action to repair or replace any faulty components. To find a particular bank’s Depository Trust Company number, access the DTC member directory on the DTCC website. Access the numbers at no charge, filtering the results alphabetica...The highlighting feature in iBooks helps you keep track of important information and favorite passages in the e-books you read. The steps to highlight a passage are quite intuitive...Past 30 Days: 8. All Time: 1,179. I have a 2012 Jeep Grand Cherokee. I'm getting P0480 CEL but my fan is working on over drive and overcooling my vehicle. I tried switching the relay in the TIPM (fuse box) and still getting the same code. - Jeep.#1 · Dec 3, 2021. I am getting a P0480 COOLING FAN 1 CONTROL CIRCUIT. 2012 GC WK2 3.6L V6 Laredo. I can reset the code but it comes back on after a while. …@Jeep @jeepcherokee2505 @jeepdobrasil @jeepusa6678All-New Jeep® Grand Cherokee 4xe evolves the qualities that made it famous: luxury, personality, and style. It combines the highest level of technology, safety and …2012 Jeep Grand Cherokee SRT8 2006 Chrysler 300C SRT8 2005 Dodge Magnum R/T AWD 2005 Dodge Neon SRT4---PRESENT---2018 Jeep Grand Cherokee TrackHawk (738AWHP) 2015 Jeep Grand Cherokee SRT (Bolt Ons & Tune) 2006 Chrysler Crossfire SRT6 (400RWHP) Reactions: SidColeman1, Pezza, Patrick-A51 and 14 others.

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Labor: 1.0. The cost to diagnose the P0480 RAM code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.Hi All, I have a 2012 Jeep Grand Cherokee (Altitude Edition) w/88K that I have owned since new. I hadn't used it in a couple of weeks and today went to move it and immediately there was a "Check Engine" Light and the code reader pointed to a Trouble Code P0480 (Fan 1 Control Circuit).To diagnose the P0480 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.When checking for DTC's, any combination of the following codes may be found: C15AA P001A P2B00 P2B01 P2B03 P2B96 P001B P003D P0107 P018C P01E5 P01E6 P01E7 P0237 P0340 P0341 P0355 P0365 P037C P03F0 P0521 P0480 P0522 P0532 P0606 P0616 P0691 P0692 P0711 P0712 P077C P07BF P0707 P1101 P112F P146D P159FDec 1, 2021 · The diagnostic trouble code (DTC) P0481 stands for “Fan 2 Control Circuit.”. The powertrain control module (PCM) will log the P0481 code when it notices that the command and the result do not match when it activates the number 2 cooling fan relay. Common causes of the P0481 code include a faulty fan control relay 2, bad cooling fan 2, and ... If you’re experiencing the u0452 fault code, your engine light may be on. This could be due to a faulty Restraints Control Module, an open or shorted harness, or poor electrical connection. To fix the issue, visually inspect the wiring harness and connectors for any damage or corrosion. Check for broken, bent, or pushed out connector pins.Cocktailing at home requires a few accessories. Beyond a shaker, a stirring glass, a spoon, etc., a home bar isn’t really complete without bitters, citrus, and syrups. The first tw...Jan 27, 2022 · Conclusion. P0480 is usually caused by a bad fan or a bad fan relay. Good luck fixing your Jeep Compass! P0480 is a relatively common OBDII trouble code. It indicates that your Jeep Compass's "cooling fan 1 control circuit" is malfunctioning. It's a generic code, so it has the same meaning for any vehicle made for the 1996 model year and up. Arriba 76+ imagen p0480 jeep wranglerArriba 76+ imagen p0480 jeep wrangler Arriba 76+ imagen p0480 jeep wranglerArriba 76+ imagen p0480 jeep wrangler. How to repair cooling fans and fault code / dtc p0480 in a dodgeArriba 76+ imagen p0480 jeep wrangler Jeep library not shutting off with key "fixed" p0515 p0627 p0480 … ….

P0430 Jeep Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis. Home JeepP0430 Jeep DTC P0430 Make: Jeep Code: P0430 Definition: CATALYST EFFICIENCY (BANK 2) Description: General Operation: The State of Change (SOC) catalyst monitor uses the signals from both the Upstream and Downstream Oxygen (O2) …The Diagnostic Trouble Code (DTC) will be set when the commanded state of the driver and the actual state of the control circuit do not match for greater than 5 s. **Cooling Fan design may vary. P0480 Chevrolet Code - Cooling Fan 1 Control CircuitThe farmhouse sink is arguably one of the most interesting new trends in kitchen design. Despite its historical and design connotations implying its use Expert Advice On Improving ...OBD-II Code P0480 is technically described as a Cooling Fan Relay 1 Control Circuit. It is a generic code applying to all OBD II (on board diagnostics) vehicles. While driving a vehicle an adequate amount of air goes through the radiator, which viably cools the engine but when we stop the vehicle or when it is in idle mode then no air is passing …Causas del Código P0480 Jeep Wrangler. Hay varias posibles causas para este problema, entre ellas: La válvula de control de refrigerante es defectuosa. Un corto circuito o conexión suelta en el cableado del sensor/interruptor. La ECU (Unidad de Control Electrónico) está defectuosa. Diagnóstico para el Código de Falla P0480 Jeep WranglerP0481 is a diagnostic trouble code (DTC) for "Cooling Fan 2 Control Circuit Malfunction". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 .Mar 29, 2016 · Let's have a go at this 2007 Chrysler Town and Country that has an engine light on with a code P0480. Pretty classic problem on these beasts and I'll show yo... The Diagnostic Trouble Code (DTC) sets when the Powertrain Control Module doesn't receive a Steering Angle Sensor (SAS) message over the Controller Area Network (CAN) C circuit for seven consecutive seconds. The circuit is continuously monitored. One Trip fault. U110A Jeep Code - Lost Communication With Steering …P0480 code in a Dodge Cummins refers to an issue with the cooling fan control circuit. To diagnose the cause, follow these steps: 1. Check for loose or damaged electrical connections related to the cooling fan control circuit. 2. Inspect the cooling fan fuse and relay for any signs of damage or malfunction. 3.2899 posts · Joined 2011. #3 · Jan 30, 2014. P0700 is just the code the TCM sends to the PCM to turn on the engine light . You need a code reader capable of reading the TCM . Superchips and other tuners will do it if you have . 5 and counting :05 WK 5.7 HEMI , 90 YJ Islander 4.2L , 94 ZJ Ltd 5.2 , 2000 WJ 4.0 , 2010 MK Patriot. Jeep dtc p0480, Hi all, I have a cooling issue where the check engine light comes on, code P0480 "COOLING FAN 1 CONTROL CIRCUIT." I looked up the procedure in the FSM but I'm confused because on the 5.7 it's a hydraulic fan controlled by a solenoid and a PWM signal and to my understanding there is no relay involved... It's an issue because the …, Thailand official web site. Welcome to Jeep® Thailand official web site, managed by Belfort Automobile as the official importer and distributor of Jeep® vehicles in the country. Here …, To diagnose the P0480 2016 Chevrolet Silverado code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., January 27, 2022 by Jason. P0480 is a relatively common OBDII trouble code. It indicates that your Jeep Wrangler’s “cooling fan 1 control circuit” is malfunctioning. It’s a generic code, so it has the same meaning for any vehicle made for the 1996 model year and up., Conclusion. P0480 is usually caused by a bad fan, or a bad fan relay. Good luck fixing your vehicle. P0480 is a relatively common OBDII trouble code. It indicates that the "cooling fan 1 control circuit" is malfunctioning. It's a generic code, so it has the same meaning for any vehicle made for the 1996 model year and up., Causas del fallo. El código P0480 puede significar que se han producido uno o más de los siguientes problemas: El relé de control del ventilador 1 está averiado. Un problema de cableado o un conector dañado. Corrosión del cableado eléctrico o de las conexiones. El ventilador de refrigeración está defectuoso., They're dominating the wireless headphone market. In just about seven months, Apple appears to have completely upended the wireless headphone market. Since the start of the year, o..., They're dominating the wireless headphone market. In just about seven months, Apple appears to have completely upended the wireless headphone market. Since the start of the year, o..., =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====nonda Auto DIY Center is the biggest ... , Dec 3, 2021 · I have a decent OBD scanner (in the $100 range) that was giving the code (P0480 - COOLING FAN 1 CONTROL CIRCUIT). Looked at the service manual for this code and did some trouble shooting. Mostly checking connections, checking fuses, relays, etc. , The Jeep Grand Cherokee is one of the most iconic vehicles on the road today. For decades, it has been a symbol of adventure and freedom, and now it’s getting an all-new makeover f..., Frango100. 8309 posts · Joined 2009. #3 · Aug 24, 2017. Its most probably the 50A fuse which is blown. You could try a new fuse first, but if it blows again, or there is a wire short somewhere, or the cooling fan is drawing too much current. Frank. JEEP Grand Cherokee 4.7 Lmtd 2004:thumbsup: Quad Squad member., Our van - with 103k miles now - brought up a code P0480 last Spring (at about 100k miles), it's the cooling fan relay circuit error, so I ordered and replaced the cooling fan relay with the Mopar replacement part in June. Within a day, the code reappeared (after I cleared it with a scan tool)., Hello! I'm posting this since I never found any posts or youtube videos related to P0480 on Jeep Compass 2013, hopefully this can also help someone out there. This is my first car, and I'm pretty new to car engines, so when the check engine light suddenly turned on while I was driving, just imagine how worried I was., The first sign of a P0403 code is that your check engine light will come on. When this happens, you’ll want to grab your vehicle scanner (on Amazon) and hook it up to your car. If the scanner returns multiple vehicle codes, then your car likely has engine problems. If the scanner just returns P0403 and no other codes, then there’s a wiring ..., How to repair cooling fan&fualt code!!p0480 cooling fan 1 cricuit malfanction #most common 5 problem cooling fan not working solved#how to repair cooling fan..., P0480 dodge cooling code caravan dtc repair fault fansP0480 cooling malfunction jku circuit continue fan P0455 leak pump p04561 ton jeep liberty crawler sas no reserve**. Check Details Jeep renegade. Jeep wrangler hostageFile:jeep-wrangler.jpg Jeep wrangler p0480: significado, causas y diagnósticoSport 4wd., Possible Causes. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Faulty fan control relay. Fan control relay harness is open or shorted. Fan control relay circuit poor electrical connection. Faulty cooling fan 1. Fan cooling fan harness is open or shorted., After more searching i found out that it was due to the remote starter and when i turned the jeep on without the started, the check engine light turned off, weird since i have had the remote starter for 2yrs. Problem taken care off, or problem took care of itself. (Gotta love it when that happends!), Conclusion. P0480 is usually caused by a bad fan, or a bad fan relay. Good luck fixing your vehicle. P0480 is a relatively common OBDII trouble code. It indicates that the "cooling fan 1 control circuit" is malfunctioning. It's a generic code, so it has the same meaning for any vehicle made for the 1996 model year and up., Descripción del código de falla P0480 Genérico. Es un código genérico de tren motriz que puede estar presente en vehículos de todas las marcas y modelos que cuenten con un sistema OBD2 y están fabricados desde el año 1996. Es un código DTC que se refiere a una falla en el circuito del ventilador de enfriamiento del motor., Jeep ® Wrangler doesn’t back down from a challenge, which is why it’s the Most Capable Wrangler Generation Ever. The Wrangler combines 80 years of revolutionary off-road …, Labor: 1.0. To diagnose the P0480 Honda code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., The video focuses on the basic Dodge specific diagnostic error code.Contents:0:21 Basic DTC analysis according to OBD2 protocol standard.1:48 Insight into pr..., Re: Jeep Grand Cherokee with P0480 code. by cj1 » Sun Mar 22, 2020 10:52 pm. Lots to check. Electrical testing should yield results. TIPM are noted for internal problem but test first. Let us know what you come up with. The causes for this DTC may include: Faulty fan control relay 1. Fan control relay harness is open or shorted., The 1994 Jeep Cherokee is durable, has a decently powerful motor and is overall a very practical vehicle. Like any vehicle, certain components on the Cherokee need to be replaced d..., #1 · Jun 3, 2018. Earlier this year I would occasional get the p0480 code. Did all of the normal troubleshooting, wires, fuse, relay, etc. Reset the …, Dec 1, 2023 · How to fix P0480 engine ode: Cooling Fan 1 Control Circuit MalfunctionA P0480 Code indicates that PCM has detected an incorrect amount of voltage (high or lo... , Jeep ® Wrangler doesn’t back down from a challenge, which is why it’s the Most Capable Wrangler Generation Ever. The Wrangler combines 80 years of revolutionary off-road …, Jeep wrangler p0480: significado, causas y diagnósticoP0480 dodge cooling code caravan repair dtc fans fault Jeep wrangler p0480: significado, causas y diagnósticoLeak p0455 pump p0456. Top 73+ imagen evap system small leak jeep wrangler2015 jeep wrangler p0642 pt2 fix., Feb 11, 2024 · P0480 is a generic OBD-II trouble code. It indicates a specific issue with the ECU leading towards a faulty cooling fan (1). Even though your Jeep will still run with this issue, it’s essential to get it fixed to avoid long-term consequences. , Jeep Jeep DTC P0480 Definition: Cooling Fan 1 Control Circuit Description: This two speed cooling fan system uses a Low Speed Fan Relay and Hi Speed Fan Relay to control the cooling fan operation. Cause: RADIATOR FAN RELAY CONTROL CIRCUIT OPEN/HIGH RESISTANCE RADIATOR FAN RELAY POWERTRAIN CONTROL MODULE (PCM)-----Jeep Jeep DTC P0481 Definition:, DTC P0480. Circuit Description. Battery positive voltage is supplied to the coolfan 1 relay from the coolfan 1 fuse. The powertrain control module (PCM) controls the coolfan 1 relay by grounding the low speed coolfan relay control circuit through an internal solid state device called a driver.