08 jetta p0480. I show the solution in video 3, but hey: maybe some of you need to check fuses. 11 posts · Joined 2008. Check for loose or damaged electrical connections related to the cooling fan control circuit. Es un código genérico, por lo que tiene el mismo significado para cualquier coche. Of course, 2 days after I drove it off the lot, the Check Engine light came on. 0°C Absolute Pres. Suspect cooling fan module/relay, but I cant find it on this model. #1 · Jun 5, 2016. In other words, it’s not removing harmful combustion byproducts from the exhaust. If your vehicle's check engine light comes on and after pulling the code you find a P0480 displayed, if refers to the engine cooling fan circuit. The fastest route would be to buy the OEM downpipe, cat, and midpipe, and swap it in for inspection. Exhaust leak. P0420 is the most common OBDII code and is virtually never a breakdown risk. It indicates that the exhaust system’s oxygen levels are below the required threshold in Bank 1, which can damage the engine’s exhaust and fuel system. Suspect cooling fan module/relay, but I cant find it on th … OBD-II Code P0480 is defined as a Cooling Fan Relay 1 Control Circuit. ross-tech. What happends is that the air flow to cool the control unit has gotten plugged or restricted and caused the fan control unit to overheat and stop working. As a result, if it's damaged, it might create a slew of problems with your vehicle. If problem exists, repair as necessary. 145 satisfied customers. How to replace a catalytic converter DIY with Scotty Kilmer. " I wasn't there for any of this, btw. Feb 24, 2010 · P0420 Check Engine Light, Again. If your car's check engine light is on, get that code read in case it's a P0420. Catalytic converter replacement. 0 gtiFind the items that are used on the Dave Sterl channel in the Amazon shop. It first came on a couple weeks ago and I cleared it without getting the freeze frame info. The engine control module (ECM) uses two O2 sensors, one in front, and one behind P0480 is a diagnostic trouble code (DTC) for "Cooling Fan 1 Control Circuit Malfunction". I tried replacing the spark plugs and wires (wires because the old cyl5 wire was burned to a point where it woudln't work with a new plug. This is the case because the converter is in charge of converting toxic emissions into less harmful gases. Mar 21, 2024 · The P0420 code indicates that the Engine Control Module (ECM) has identified a decline in the efficiency of the catalytic converter on Bank 1. Okay, my 2001 Jetta 1. Solución Para El Código P0172 De La Chevy Impala: Sistema De Combustible Rico – Banco 1 ¡Vamos a encontrar la solución al código P0172 de la Chevy Impala! Oct 8, 2018 · This Jetta had code P0480. Ross-Tech, LLC 881 Sumneytown Pike Lansdale PA 19446, USA Tel: +1 267 638 2300 Feb 25, 2010 · I had VW jetta 2002 2. May 18, 2014 · 2000 Volkswagen Jetta GLS 2. Please provide location of module and any other advise of items to check. Reduced air conditioning performance 5. I figured that this is what was causing the code and never got around to getting a O2 spacer for it. We saw a lot of these fail on the early A5 body jetta. I have an expired state inspection, and I need to get the car road legal, again, (for emphasis) as fast as I possibly can. In this video, Apr 16, 2015 · Question from 1last01 in Piscataway, NJ | Find answers to your 2008 Volkswagen Jetta question from certified mechanics and auto experts. A code P0420 may mean that one or more of the following has happened: Leaded fuel was used where unleaded was called for (unlikely) A damaged or failed oxygen / O2 sensor. https://www. Jun 4, 2008 · The fan control unit built into the primary fan has failed. 5. May 19, 2021 · Diagnostic trouble code(DTC) P0420 stands for “P0420 Catalyst System Efficiency Below Threshold (Bank 1). Today we have a 2008 Volkswagen Jetta come in with the complaint of the horn not working, airbag light being on, and the Air Conditioner not working. Good luck fixing your Ford F250! P0480 is a relatively common OBDII trouble code. 0°C Temperature: 36. Faulty coolant temperature sensor. There are extremely common. lbl Control Module Part Number: 07K 906 032 BG HW: 07K 906 032 Q Component and/or Version: 2,5l R5/4V G 1565 Software Coding: 0000003 . 0. It indicates that your Ford Edge's "cooling fan 1 control circuit" is malfunctioning. Jan 14, 2023 · P0300 Random, Multiple Misfire Detected means that your car’s computer (PCM) detected that there is a misfire in random or multiple cylinders. Visually inspect the secondary air pump. real easy thing to do. 5 MKV Jetta 2. so i took my jetta the local vw shop and it is the crank position sensor. The page that I am reading from in this video:http://wiki. 99 . It indicates that PCM has detected an incorrect amount of voltage (high or low) in the electric cooling fan control circuit. Check heated oxygen sensor No. Misfire Codes. Also PRDS on dashboard are all lit. Check for Other Codes. This means that there is an issue with the electrical circuit that controls the cooling fan in the vehicle. p0411- Secondary Air Injector System Incorrect Flow Detected. Faulty A/C pressure switch. O2 Sensor Codes. 5L. It indicates that your Chevy Silverado's "cooling fan 1 control circuit" is malfunctioning. greasemonkey2386. May 10, 2015 · code --catalyst system efficiency below threshold bank 2 -means that the o2 sensor [bank 2 and after cat converter] is detecting that the converter in not working efficiently as it should as per specs--check the 02 sensor --if good possible exhaust leak if good --possible cat converter gone bad and since it is an 08 cat should be covered under Dec 9, 2023 · P0480 code in a Dodge Cummins refers to an issue with the cooling fan control circuit. Jul 19, 2022 · Labor: 1. Apr 3, 2009 · Re: cel P0420, 05' MKV Jetta 2. I managed to pop the hood not long after the engine light appeared and noticed that only one of the fans was spinning. Why you get the "airplane" noise is because the larger radiator fan is now working at double the speed to compensate for the other fan that is not moving. The part that I use in this video is: https://ww Apr 11, 2013 · Fix Code P0420 Fix Code P0420. When this happens, the exhaust the O2 sensors see will be out of range, and it could throw P0420. #1 · Nov 17, 2012. If your car has any O2 sensor-related codes, jump to section three. It indicates that your Ford F250's "cooling fan 1 control circuit" is malfunctioning. In cars with two cylinder banks (V6, V8), the P0420 code refers to the bank with the first cylinder. Code P0300 is often related to bad spark plugs or spark plug wires but could be caused by a number of issues relating to ignition and the air-to-fuel ratio in the cylinders. Hello all and thank you in advance. But my primary O2 sensor is switching between very low numbers (-0. Defective cooling fan motor: A malfunctioning fan motor may not operate at all or spin inconsistently, causing the P0480 code. When the fans are running, check to see which one is not spinning, guaranteed it is the small radiator fan. Well now it's back. Jul 6, 2011 · Potential Causes: Defective catalytic converter (s) Diagnostic Codes: 16804, 16805, 16814, 16815, P0420, P0421, P0430 or P0431. Also I install a cat bypass device to keep the DTC f Nov 21, 2023 · END OF SPECIAL NOTES. one or both cooling fans need to be Jan 27, 2022 · Conclusion. pulled the code it is a P0420 - Catalytic Efficiency Below Threshold Bank 1. P0202: Injector Circuit Malfunction - Cylinder 2. Ran the AC on 1 at t Causes. Apr 2, 2013 · 2005-’06 Jetta 2. If the key or engine are turned on both radiator fans start spinning at high speed and wont stop for 15 minutes after the car is off. Good luck fixing your Chevy Trailblazer! P0480 is a relatively common OBDII trouble code. 5-15 Tires. Mar 4, 2012 · I have a 2006 vw Jetta with 85000 miles. This means that the oxygen sensors in your exhaust system have detected that the catalytic converter is not working as efficiently as it should. I took it to a garage near my house, and he said that the Catalytic Converter needed to be replaced, and it definitely didn't just happen in the last 2 days. 0 GLS 5 Speed | TyTyVDUB Magnaflow Cat-back Exhaust system, Raceland coilover springs, Boser hood, Short Ram air intake, Driver side Raxle. To diagnose the P0480 Ford code, it typically requires 1. 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. Damaged #1 fan circuit wiring. 5L Jun 3, 2014 · 2008 jetta 2. I have a 2005. Apr 28, 2023 · P0420. It is most commonly caused by a faulty catalytic converter that a P0420 code is displayed. #4 · Feb 19, 2009. 8L, 4CYL's Check Engine light has now returned after 60 miles without being on. There are numerous ways to do this depending on how lazy you are. Three types of codes can give clues as to what’s going on with your car. to/3h6XzqWDiagnosis of a faulty catalytic converter using a scan tool. Mientras conducimos, una cantidad suficiente de Jun 21, 2022 · The P0420 code (Catalyst System Efficiency Below Threshold (Bank 1)) means that the ECU has detected that the catalytic converter downstream of the first bank of cylinders is underperforming. Potential Causes: Defective catalytic converter (s) Diagnostic Codes: 16804, 16805, 16814, 16815, P0420, P0421, P0430 or P0431. (Vacuum hose leaking or broken. 0L, GLS 1. Rotate the harness counter-clockwise. Voltage variations that vary by greater than 10-percent of the manufacturer’s specified reference voltage will cause this code to be May 2, 2024 · The code P0420 stands for Catalyst System Efficiency Below Threshold. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. 9L: Replace CAT: 2001 Honda Civic EX 1. An inline-six engine will use this code for the first Nov 27, 2020 · Here's how to bypass or trick the O2 sensor into thinking your catalytic converter is working when you have the P0420/P0430 check engine light code. Push the clip and you’ll hear a ‘ click ’ noise. 8L: Replace CAT Mar 13, 2023 · OBD II fault code P0420 is a generic code that is defined as “Catalyst System Efficiency Below Threshold (Bank 1)”, and is set when the PCM (Powertrain Control Module) detects a condition that indicates that the catalytic converter on Bank 1 is operating below the minimum allowable efficiency threshold. Had codes scanned and have P0480 -cooling … read more. I ran the codes on the car and it came back with a P0480 error, pointing to something in the fan control system. 7 www. If you didn't buy your car new, here's how to check what emissions standard it has: Federal VIN: 3VWXF California VIN: 3VWXG The BMW P0480 code refers to a cooling fan 1 control circuit malfunction. uk/shop/davesterl This is a generic powertrain diagnostic trouble code (DTC), which means it covers all makes/models, 1996-newer. 2L; Beetle 2. 0 (x64) Data version: 20170320 DS267. be/CR05X1MIkXcSee P Apr 26, 2022 · in this video I Will share with you How to Test a Cooling Fan Circuit On a VW Rabbit To find out Why The Radiator Fan Stays on when the Engine is Off#Cooling Jun 5, 2016 · 8 posts · Joined 2016. LEER SOLUCIÓN DEL CÓDIGO O Dec 23, 2018 · car shown vw golf mk4 2. . Before purchasing the car i sent the codes to a dealer who said this. It has about 67,000 miles. Jun 4, 2016 · I have a 2005. Apr 19, 2024 · Here are some of the most common causes behind the P0480 DTC: Defective #1 fan control relay. Then with the harness disconnected, pull the cable out from the assembly like so: Lastly, remove the three 10mm nuts. It has now come on again. Jun 12, 2016 · On the way home (short drive), the car threw the CEL and stored P0480 "Coolan Fan Control Circuit 1. save yourself some money and do it yo Jul 26, 2017 · Sunday,23,July,2017,13:08:01:46890 VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64 VCDS Version: 17. amazon. 7L: Replace CAT: 1996 Subaru Legacy Outback: Replace CAT: 2000 Buick LeSabre Custom 3. If problem does not exist, go to next step. 2. Decreased fuel efficiency 8. Dec 11, 2011 · 2000 Volkswagen Jetta MK4 2. P0420 NISSAN - Catalytic Converter Efficiency Below Threshold Bank 1 The most common cause for the OBDII code P0420 on Nissan vehicles is the three way catalytic converter Bank 1 has reached the end of its useful life. 5 2. Feb 5, 2014 · Rough idle, 21MPG and CODE P0420. 8L Turbo, ← 08-10 Audi Tire pressure sensor reset A4 RS S4. Downstream oxygen sensor (HO2S) wiring damaged or connected improperly. This is a quick and easy fi Next, unplug the front electrical harness and pull out the harness from the assembly. It is common for most auto repair shops to charge between $75 and $150 per hour. Tips Nov 18, 2018 · January 31, 2023 by Jason. Jul 1, 2011 · The P0420 code is a very popular one and that's why there's a site dedicated to that specific trouble code. 0 hour of labor. Would low numbers on a primary O2 sensor indicate a problem if the secondary checks out okay? Nov 12, 2018 · Here’s a good P0420 diagnostic order for the Nissan Altima: 1. This code suggests that the oxygen levels are below the desired threshold (Bank 1), which most often results from problems with your car Te suministramos todo lo que necesitas saber sobre el código DTC P0480 Descripción, causas, síntomas y posibles soluciones. 5 - Volkswagen Jetta question. Aug 10, 2014 · I heard this was a common thing to have to replace on VW's, so i thought i'd post the procedure. 0L 2001 Audi A6 Quattro 4. 5L, please advise (flip2jetta) Just FYI, cars originally sold in California have their emission equipment warrantied for 10 years/150,000 miles. 0 L engine, it had check engine light on dash board, check with auto shop said it has P0420 Oxygen sensor and P0335 ignition coil code comes out, do i need to replace those, thou … read more Nov 17, 2012 · mike42979 Discussion starter. This code indicates that your car’s engine is misfiring and can be a drivability threat. Around 35 miles left I noticed a check engine light came on. What does this mean? OBD2 Code P0480 Volkswagen definition: The electric cooling fan is controlled by the powertrain control module (PCM) through the cooling fan relay based on inputs from the following components: – The engine coolant temperature (ECT) sensor – The intake air temperature (IAT) sensor – The A/C selector switch – The A/C refrigerant pressure sensor – The vehicle speed Feb 5, 2008 · I am having a similar problem with my 2000 jetta VR6. I have a P0420 code, (o2 levels used by the cat out of spec) and I need to get rid of it as fast as possible. php/16864/P0480/001152🔧See Part 2 here: https://youtu. Table Apr 22, 2010 · Thats your rear oxygen sensor! Unplug the gray plug, should be quite easyStep4: Pull back the black sheathing, you should see the 4 wires, one blue, one white, two black. Tests/Procedures: 1. El código P0480 es un DTC OBDII relativamente común. co. Oct 4, 2022 · My secondary O2 sensor is behaving just like it should, according to the video, so I think my cat is functioning fine. Ross-Tech. 0L from a dealership. 0L: Replace CAT: 2003 Pontiac Vibe 1. Nov 30, 2018 · This page is meant to help you troubleshoot the Volkswagen Beetle P0420 trouble code. 5cooling fan codes p1981 and p0480. Check Engine Light illuminated 6. Catalytic converter replacement in your car (Code P0420). All vehicles from 1996-newer sold in North America support this generic powertrain code. it will run $275 for parts and labor and 95% positive my extended warrenty covers it. Faulty Catalytic Converter. 1 % Speed: 0. Jan 27, 2022 · Conclusion. In this video, I just check all the fan fuses, reg Dec 8, 2022 · In this video, we're going to show you a quick and easy way to fix your P0420 without having to replace your catalytic converter. The cooling fan is responsible for regulating the temperature of the engine and preventing it from overheating. It covers the P0420 code's meaning, symptoms, causes, and possible solutions. When driving yesterday, my Check Engine Light came on. 08, etc), instead of higher numbers like his. 04, -0. When I inspected the sensor on the radiator the ground wire Jul 18, 2011 · I took it to Autozone where my buddy checked the code (s). To diagnose the P0480 Chevrolet code, it typically requires 1. 3. I am guessing it is the rear sensor. The symptoms of the automobile fault code P0480 include: 1. He said that the code P0202 is most likely the cause of the P0420 code this time, but I'm completely lost at this point. 5: I have a 2006 VW Jetta 2. I just bought an 06 Jetta 2 weeks ago knowing it had these codes come up P0171, P0480, P0455. Volkswagen Jetta 2. ECU scan reads codes P0480 Fan Circuit and P2185 Sensor 2 too high. Visually inspect the hoses/pipes attached to the air pump. When the P0480 code appears, it indicates that the Jul 22, 2011 · I recently bought a used 2004 Jetta GL 2. Inaccurate IAT sensor feedback. Good luck fixing your Ford Edge! P0480 is a relatively common OBDII trouble code. VSS-related issues. The P0420 code signals a low catalyst system efficiency. SOLDER: If you want the most solid connection, strip a May 24, 2022 · This temporal Solution is applicable to Volkswagen cars from 2000 to 2022, this should fix P0480 for the main time until the fan assembly is replaced. P0300 is often accompanied by cylinder-specific misfire codes (P030X, where the X indicates the cylinder number that is misfiring). Faulty cooling fan relay: The cooling fan relay may fail, preventing proper operation of the cooling fan. Malfunctioning cooling fan 2. P0480 is usually caused by a bad fan or a bad fan relay. It's a generic code, so it has the same meaning for any vehicle made for the 1996 model year and up. the bad news is the part wont be in til tuesday. Tests/Procedures: Jun 2, 2022 · Diagnostic Trouble Code P0480 is defined as Cooling Fan 1 Control Circuit Malfunction. p0171- Fuel Trim, Bank1 System too Lean. 843 V 001152 - Coolant Fan Control Circuit 1: Electrical Malfunction P0480 - 004 - No Signal/Communication - Intermittent Freeze Frame: Fault Status: 00100100 Fault Priority: 0 Fault Frequency: 3 Apr 16, 2012 · Got the CEL on Sunday after a trip back from Boston - Kay, about 250 miles. Síntomas, Causas, Diagnóstico y Solución. Faulty #1 cooling fan. Step5: Cut the blue wire! Step6: Install the resistor. I have stock cat and DP. Good luck fixing your Chevy Silverado! P0480 is a relatively common OBDII trouble code. answer. Ripped pcv valve causes high rpm, vacuum leak, idle fluctuation Jan 27, 2022 · Conclusion. If so, replace it. 3L: Replace CAT: 2001 Volkswagen Jetta GLS 2. #3 · Aug 23, 2017. May 27, 2018 · My 2007 VW Jetta has picked up the P0480 (Cooling Fan 1 Control Circuit Malfunction) DTC. The catalytic converter is a device that Testing fans and measuring amps on '08 Volkswagen Jetta 2. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Dec 11, 2023 · The P0480 code in Dodge vehicles can be triggered by various factors, including: 1. So, I bought a new shroud/fan/controller assembly Jul 28, 2008 · 4 posts · Joined 2008. A P0420 code is a trouble code on OBD-II equipped vehicles. High School or GED. :- ( then the will have run another diagnostic after that Feb 21, 2024 · Been having an issue for a few weeks with my 08 Jetta and I'm at the end of my rope. 0L: Replace CAT: 2007 Hyundai Sonata Limited 3. Visually inspect the J299 relay associated with the secondary air injection system in the ECM housing and make sure it isn’t blown. LEER SOLUCIÓN DEL CÓDIGO OBD2 EN How to fix you emissions p0420 code for cheap, easy, fast. 0 km/h Temperature: 75. Overheating engine 3. 0 mbar Voltage: 13. The purpose of the electric cooling fan system is to provide extra cooling capacity to the conventional radiator cooling system on hot days, and/or when the A/C is on, and/or when the vehicle is being driven in stop and go traffic which causes insufficient air flow over the Jan 27, 2022 · P0480 is usually caused by a bad fan or a bad fan relay. I am trying to figure out my best course of action on what to replace / fix / test to get this issue May 24, 2018 · The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. 6 posts · Joined 2012. Was this. Visually inspect the Combination valve. #1 · Jul 28, 2008. 1994 Ford Ranger Sport 3. P0300 is a generic OBDII code that can occur with the Volkswagen Jetta. The first thing you want to do when trying to fix P0420 in the Altima is to verify there aren’t any other trouble codes. It is a Jul 29, 2023 · 2002 Volkswagen Jetta GLS 2. A P0420 code will most likely appear if your catalytic converter is malfunctioning. Feb 28, 2024 · The P0480 code is triggered when the Engine Control Module (ECM) detects a voltage signal that is out of range in the fan 1 control circuit. If only DTC P0420 is displayed, go to next step. 0L; Jetta GL 2. 1. Engine stalling or running rough 7. Oct 29, 2022 · P0420 03 jetta 2. p0420- Catalyst System, Bank1 Efficiency Below Threshold. Note that on engines with two banks If any other DTCs are displayed, diagnose and repair those DTCs first. It indicates that your Chevy Trailblazer's "cooling fan 1 control circuit" is malfunctioning. Aug 24, 2020 · Vídeo explicativo sobre el CÓDIGO DE FALLA P0420. The engine coolant temperature sensor is not working properly. You should see P0128 along with this code. A P0420 code means your catalytic converter has failed an efficiency test. ) still have the same problem. Customer Concern: The Check Engine Light (MIL) is on with fault code P0420 (16804) stored in the fault memory. 02, -0. Inspect the cooling fan fuse and relay for any signs of damage or malfunction. Jun 29, 2023 · Plug in an OBD Scanner to confirm that you have a P0411 code. Yeah my CEL just came on last night. Descubre qué significa, por qué ocurre y cómo solucionarlo correctamente. 0 L Jump to Latest Follow 801 views 1 reply 1 participant last post by eggabeewa Nov 3, 2022 Oct 5, 2023 · 2008 jetta 2. 8L: Replace CAT: 1996 Ford F-150 Eddie Bauer 4. I've had code P0420 since I've owned this car. Jun 8, 2012 · Radiator Fan 2 (V177) P1951 - 002 - Movement Restricted / Jammed --- Coolant Fan Control Circuit 1 P0480 - 004 - Electrical Malfunction Address 08: Auto HVAC Nov 30, 2018 · If your Golf’s computer doesn’t know the engine temperature, it’ll keep the fuel mixture rich. Feb 14, 2009 · railroadryan Discussion starter. However, specific troubleshooting steps will vary depending on the vehicle. ”. When I took a look at it, neither radiator fan was coming on regardless of coolant temp, and turning on the a/c didn't make either fan run at all either. Go straight for CEL codes. If any other fault codes are present besides catalyst (CAT) faults, the other codes must be addressed and corrected before proper/complete CAT testing can be performed. : 980. Jun 9, 2008 · Time: 08:43:58 Freeze Frame: RPM: 701 /min Load: 32. 3. Bank 1 refers to the side of the engine that houses the number one cylinder. Watch this video and learn how to turn off you cars check engine in under 10 minutes with parts av Jan 24, 2020 · Link for the spacer: https://amzn. This could be attributed to a malfunctioning catalyst or potentially be a false alarm triggered by a defective O2 sensor. I am trying to figure out my best course of action on what to replace / fix / test to get this issue resolved. Codes:00 May 10, 2015 · P0420 code 2006 Jetta 2. Back in November I started getting a bunch of miss fires and a rough idle. The PO was a good friend and had the Cat replaced with a highflow aftermarket unit. I get only p0420 and CEL comes on about an hour or so into driving after clearing it. Without running any VAG tests, I am planning on picking up a rear sensor today, and doing an install. 29 posts · Joined 2017. com/wiki/index. This can be caused by a variety of issues, such as a faulty fan motor, a damaged wiring harness, or a malfunctioning ECM. 01, -0. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154. 0 4x4 Automatic | TyTy4x4 Magnaflow Duel exit Exhaust, Cooper STT 31x10. Aug 23, 2017 · SonoWashiBear. 1. May or m Apr 23, 2019 · Labor: 1. Check exhaust system for leaks. Technician. com VIN: License Plate: GREGG 2ND ----- ----- Address 01: Engine Labels: 06A-906-032-BGP. OBD II fault code P0420 is a generic trouble code that is defined as, P0420 – “Catalytic converter system, Bank 1 – Efficiency Below Threshold”, and is set when the PCM (Powertrain Control Module) detects that the efficiency of the catalytic converter on Bank 1 has fallen below a minimum allowable threshold. P0420: Catalyst efficiency below threshold Bank 1. Este código nos muestra que existe algún fallo con el ventilador 1 del sistema de refrigeración de tu coche. Check engine light is on. larger fan spins at high speed even when engine is cold, small fan does not ever turn on. Do you have Check Engine Light on your car's dashboard? Does your car read code P0420? Are you unable to pass emission test or is the catalytic converter jus Oct 8, 2018 · This is part 3/3 in my VW P0480 series! In this video, I will cover replacing the fan and fan control module. Originally, it came on after having the battery replaced and Autozone reset the CPU and the light stayed off for the week. To diagnose the cause, follow these steps: 1. Engine temperature gauge showing high readings 4. wm ep qs wd vn ge mu ej bd wk