C0057 Subaru Code Fix - Trouble Code C0042: the Car Looks and Runs Great When.

Drove 6 miles, pulled over and pulled codes via light and odo reset dance method: P0700 and C0045 (C0057 gone). 5 MFI that has poor idle and also cuts out sonetimes when I apply the brakecodes stored are C0057,C0231 (derail code … read more. AAA Approved Subaru Repair, Seattle Subaru, Subaru Expert as such there is really no way to know if its for a loose gas cap or something much more serious without at a minimum a code scan. VDC Code Help! (P0500, C0022, C0071, C0045) I replaced both front hubs 10,000 miles ago with Moog hubs as the bearings were starting to go. ; Se activa la bombilla de alerta del Sistema …. This should work for many Subarus 2007 - 2012, not just the WR. The cost to diagnose the C1040 code is 1. This can be due to faulty or damaged wiring at the anti-lock brake computer or engine computer or a fault in the engine computer itself needing to be replaced. Clear the codes and see if they …. Common causes? Where to start to repair? - Answered by a verified Auto Mechanic. Just got a 2000 forester, the engine light cam on and pulled the code po420 for the cat. Top subaru beetle swap kit 2023. co 👈=====Engine Code P0031 Saving Repair Parts. Common Causes of Subaru Code P0700. How To Fix A Traction Light & ABS Light On A Subaru Legacy 2. This is accomplished with a 12mm socket. Faulty Oxygen Sensor: A malfunctioning oxygen sensor can inaccurately measure the air-fuel ratio, leading to a rich mixture. As per our phone call earlier, here is where we are upto with the diagnosis on your vehicle. Delays between text messages, video that is out of sync with the audio, frozen video or even dead silence in the audio can all be symptoms of Skype lag. Mar 15, 2019 · I have a 2011 Subaru liberty 2. Enter the 5 character trouble codes …. The manual advises you to contact Subaru dealer with ownership details and they can provide you with a pin on their records. So the codes (P0068 AND C0042) cleared by them selves after re-attaching the vacuum hose. The car had 252,000 miles so I replaced the engine and CVT transmission. Unfortunately communication issues are not DIY friendly so its not something i would recommend we try to fix ourselves. Disconnect the negative cable from the battery, then hold the cable end to the positive cable end. Let’s take a close look at the potential causes of a flashing A/T oil temp light and what you can do to resolve the issue. You can locate the upstream oxygen before the catalytic converter. They have replaced the faulty valve under warranty, and. My 09 Forester has around 130k on it and over the past few weeks I've had some issues with a P0420 code. CHECK ENGINE CODE WAS P1449 EVAP CANISTER VENT FILTER CLOGGED. 5 - Answered by a verified Subaru Mechanic I have a garage trying to fix it but they haven't been able to resolve For your info the dpf light is also on but must be unconnected 2006 Subaru outback p2102 code. The P0026 and P0028 codes relate to the oil pressure in an oil line that controls the camshaft variable lift mechanism. Síntomas del código OBD2 C0057 Subaru. They were able to pull some type of code. I decided to replace the sensor and still same code. Jun 20, 2020 · The video focuses on the basic Subaru specific diagnostic error code. C1040 - no description but frequently reported fix was replace ABS wheel speed sensor. CEL, Chassis Codes: C0025, C0057, C0076 - NASIOC. indoor rc rock crawling course near me It is now 01-18-11 and the vehicle has been in the shop three times. The fuse responsible for controlling these functions may have blown out due to a power surge or electrical short circuit. The P0001 fault code is a concern and so it should be taken seriously. The manual is made up of many individual pdf files, but the 72 hours should be enough time to download it all (if you need/want all at this time). Five minutes later, all the lights turned off except ABS. The cost to diagnose the P0134 Subaru code is 1. Then, clean the catalytic converter. Yes, there are several common Ford airbag codes that you should be aware of when troubleshooting airbag problems. Had the following three codes, C0071, C0042 & C0057. The cost to diagnose the P0700 Subaru code is 1. This diagnostic trouble code is related to your vehicle’s catalytic c. C0057 SUBARU - ECM Control System. The Active Valve Control System (AVCS) varies camshaft timing by changing the camshaft phase angle depending on engine load in order to increase engine. Location:Analysis:Possible Causes: Circuit A Circuit Issue. and hope that they will be able to fix something very soon. xnx korean To diagnose the P0021 Subaru code, it typically requires 1. Learn how to fix plaster cracks once and for all. > 5143 ECM Control System Coordinate control pro-. Jan 29, 2024 · The c0045 Subaru code refers to a specific fault or issue detected in the vehicle’s Anti-Lock Braking System (ABS). Light came back on and dealer said according to freeze frame data it needs a MAF sensor. Hello folks, I am a new Subaru owner. With my BlueDriver scan tool I ran a check All System Modules and it came up with B1101 (BATT P/Supply Malfunction Cont), B1102 (BATT P/Supply Malfunction Backup), B1103 (Ignition Power Failure) and B1104 (ACC Power Failure). End result, the sensors in the back needed to be replaced. The FSM says that ECM pin C4 would have a duty cycle signal between 1 and 14 volts with the engine running. The Engine Control Module (ECM) monitors the Vehicle Dynamics Control (VDC). As u/oldslim pointed out, the second (downstream) O2 sensor is used by the ECU to determine if the catalytic converter is working at full efficiency. This includes: Regularly checking the battery voltage. In order to assist in combustion from unburned fuel and reduce emissions, the air injection pump shall be responsible for supplying this exhaust system with fresh air. DTC U0101 stands for “Lost Communication with TCM. Solutions : – Carry out a Reset via CarDiag. The standard procedure would be to flash the brake light and disable the ebrake. Tomorrow I will drop off and it will be done in 2 hrs. The most common fix for P0420 in the Subaru Impreza is a new catalytic converter, followed by an O2 sensor replacement. My wife bought a code reader, there was only one, P0172 (System too rich). about 2 weeks ago my car threw 3 codes(P0420, P0302, and P0136) since then heres what ive done to solve the problems: new OEM/NGK spark plugs $12 i hope the ecu reflash sheds some light on the subject. A cheap oil filter causing P0420 is a strange suggestion. Delivering the Goods | May - 2022. My 14 Outback has 164k miles and just read P2005 & P2006 & C0057 codes. I have a persistent code reader and have gotten that. Check all the fuses when the battery and ground check good. Subaru should have known this, right? Save Share. This happened to me last year but ignored the symptoms for about a month and then had to get it taken in. wondering if sti exhaust will fit and give any performance. Also if they will update the TCU. HomeSubaru Subaru Select Your Subaru's Diagnostic Trouble Code Body Codes. On my wife's 2010 got these CEL, VDC, Brake flashing warning lights on the instrument cluster. I changed the crankshaft position sensor and. Subaru Outback - Yaw Rate and G Sensor - …. This code refers to the oxygen sensor located AFTER the catalytic converter for the side of the engine that houses cylinder #1. The C0057 indicates that the engine controller disabled the stability control features in your car, it is likely a history fault that is no longer present if there are no warning lights …. This should work the same on many other Subies with the same VVT, or AVCS type system (Fo. Yes, there are some DIY solutions for Subaru code P1604. Flushing the transmission on a vehicle with this many miles to hopefully fix a fault cleans away all clutch debris this debris is …. Watch this video to find out how. Hi there! I originally got the CEL of P0500 and using this forum I found how to check the abs code and got C0024 (Front Left Sensor). – Vehicle Dynamics Control (VDC) circuit poor electrical connection. P0024 is the OBD-II generic code indicating the Engine Control Module (ECM) has determined that the bank 2 exhaust camshaft is in a more advanced position than what the ECM expected. -42 and -57 are common to see with dead batteries, so if you've been experiencing that on top of the SAS issue, maybe that makes sense. Outback electronic parking brake recall - computer. courier post nj obituaries C0047, c0057, c0045, p0700, u0073, p1718. The code C0045 indicates a CAN communication fault with the TCM, and the code C0057 indicates an ECM control fault with the ECM. To diagnose the P0483 Subaru code, it typically requires 1. Automotive Repair/Damage Investigator. I would love to know or be able to use my AWD. I hope this info helps! Posted on Dec 22, 2008. Once I got it I installed it and cleared the code. I have checked the belt twice since install and it is dead on. Cruise control flashing + check engine light on + stability. Code P0017 Subaru: Crankshaft And Camshaft Timing 'B' System Failure Bank 1. Description, Diagnostic and Repair Information for Subaru OBD2-OBDII Engine Codes | Page 1 | Engine-Codes. C0057 is an ECM control system issue and means the ECM disabled stability control. "athena one" AND "insurance" Per the auto parts store reader fault codes are: C0057: ECM CONTROL. Dejte klíčky do zapalování a otočte do 2. The electronic parking brake works fine. It seems to heal itself after a few minutes …. I did drop the car off this morning with the mechanic given all of the Er codes are gone and the headlights. ️ ️ Aprender acerca subaru beetle swap kit ️ahora, ver detalles debajo de la publicación. If not, but you have a friend with a car and jumper cables, hook their battery up to your terminals during the switch. IN THIS VIDEO I WILL SHOW YOU HOW TO CHANGE EVAP VENT FILTER, ON A 2018 SUBARU LEGACY, OUTBACK. The cost to diagnose the P0500 Subaru code is 1. Diagnosis: The most common cause of …. C0042 (Power Supply Voltage Failure) The second time this happened, I didn't have the code reader with me but after the first stop 2 lights went away and after a second stop, all …. Radio, sat-nav, engine, transmission, etc Easiest thing to do is just hook up a battery charger, if you have one. • Detect the GND-output short …. Contents:0:21 Basic DTC analysis according to OBD2 protocol standard. Checked the old switch with a meter and it seemed to match what it should do according to the service manual. Valid for ZIP Code 23917 as of 04/15/2024. So my problem is the garages have all said go get a trans TCM and if that doesn't fix it go get another trans great advice and in New Zealand rather expensive. Cleaned and treated with corrosion preventative spray, then looked at all the engine ground connections, all looked good. How to Fix the DTC C0057 Subaru? Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. 3M subscribers in the MechanicAdvice community. To diagnose the P1718 Subaru code, it typically requires 1. doordash burger king coupons When B1101 occurs at the same time, all functions of the body itegrated unit may not operate. This will reset everything on the car, including your clock, trip odometer, radio presets, etc. when does snapchat send a typing notification DTC U010 is set when the transmission control module is unable to receive or send messages to the controller area network (CAN). Codes P0700, P2762, sometimes C0057, C0045 and dashboard lights, slow acceleration Subaru Outback Forums, Manufacturer Part Number: 2008 2008 SUBARU LEGACY 1x Transmission Valve Body (As the picture Type: Valve This is an actual P0700 P2764 Codes On A 2014 Subaru Forester Subaru Outback, 52% OFF. To diagnose the C0076 Subaru code, it typically requires 1. We started this project off with a Dorman aftermarket catalytic c. The ABS/VDC was changed and checked all - Answered by a verified Subaru Mechanic Subaru dealer charged $1800 for a new wiring harness because the original was too damaged to repair HAve a code C0057, in memory. good morning cleveland anchors Before you can diagnose P0303 in your car, you need to find the third cylinder. I was just wondering what exactly these codes mean and if there is any significance to all 3 showing up. SubaruC0044 Subaru DTC C0044 Make: Subaru Code: C0044 Definition: TCM Communication Circuit Description: No CAN signal from TCM. We’re the best Subaru Forester Owners Forum to talk about the best years of the Subaru Forester, modifications and reliability history of the Subaru …. Yesterday, I got to scan it at a DIY shop where we work on our cars & found under Subaru ABS that it's throwing a C0071 for a steering angle sensor and a C0047 for Improper CAN Communication. Whirlpool washers are known for their reliability and efficiency in cleaning clothes. If you own a Neff oven, you may have encountered the HC010 error code at some point. Here’s a good P0420 diagnostic order for the Subaru Forester: 1. To diagnose the C0025 Subaru code, it typically requires 1. Full instrument cluster of warnings. It started some months ago with occasional ABS and VDC warning lights which come on and go out sporadically. P0401: Faulty EGR (Exhaust Gas Recirculation) valve. Plaster cracks have an annoying way of showing up again and again. It indicates a problem with the right rear wheel speed sensor circuit. Subaru Crosstrek Service Manual: Dtc c0057 ecm control system. The “U” codes have probably been set due to the flat battery. While these are the most common codes that the 7E8 engine code menu shows, they aren’t the only ones that the menu can have. pro Subaru Impreza, WRX, Outback, Legacy. derya arms turkey 3) Turn the ignition switch to ON and start up the Subaru Select Monitor. P0011 A Camshaft Position System Performance (Bank 1) P0021 A Camshaft Position System Performance (Bank 2) P0026 OSV Solenoid Valve L Malfunction. I have replaced the ABS Module that I pulled out of another 2011 M/T, this did not fix it. This fix is estimated to take approximately 1. who's the founder and president of Inventagon. 2011 legacy, 2,5diesel, dash lights came on and it has set code c0057 ecm control system. For the horizontally opposed Members Online • milehighpaw. AutoCrap cannot do this as their tool only sees the ECM and maybe ABS. I used an OBD reader that shows 3 fault codes, C0054, C0057 and C0057. I’m getting codes C0057 and p0340. Reset the code and test drive the vehicle to confirm if the code had been cleared or not. Check engine light is on, traction control, parking brake, and cruise control lights are all flashing. Hey all - 2010 Subaru Outback 2. 5 Limited automatic 165,000 miles How to Read Diagnostic Trouble Codes on 2005 thru 2009 Subaru Legacy and Outback The 2005 thru 2009 model year Legacy and Outback can display Diagnostic Trouble Codes (DTCs) …. CEL, still on, cruise and traction control still disabled. More than likely the P0420 was intermittent and was going to go out and come back at some point no matter what you did. CAN communication failure of engine control module. Started after getting an alignment had the alignment checked, tires rebalanced cleared the codes (as soon as I start rolling the codes come back) At a loss of what to check/fix Forester XT Limited (EJ25) Shake/shimmy in the steering wheel at ~45+mph …. The dealer stated that if we fix C0042 that is will fix the other two. P0303 is a cylinder-specific misfire code, meaning it’s only the third cylinder that has a misfire. I got the diagnostics ran and it came out with “P0420: catalyst system efficiency below threshold bank 1”. For example P0500 is code in the …. Welcome to the North American Subaru Impreza Owners Club: Wednesday March 20, 2024: Home: Forums: Checked gas cap, topped off oil and coolant. C0045- Incorrect VDC Control Module C0057- ECM Communication Circuit 29 - ODS Failure. Tech description: Subaru Vehicle: Subaru Forester,Subaru Impreza,Subaru Legacy,Subaru Outback,Subaru …. To the tune of $850! And they make no assurances that this will fix the problem. P0031 is due to a bad ground, poor connection or the heater element is bad. Air Filter Changed installed K&N. Have changed the gas cap ( saw that suggestion on the internet), did my plugs, changed the accessory belt, cleaned the maf and half ass cleaned the throttle body (is there a guide for. I noticed right away some corrosion on the positive battery terminal. my virtual workplace centura health If you own a Kenmore oven, you may have encountered error codes at some point. However, you cannot read C* * codes using the method from the previous bullet as the engine needs to be running for the ABS/VDC module to be responsive. snow rider 3d world record I purchased a 2011 Subaru Outback 2. If your brake pedal doesn't sink to the floor while braking, it's likely the later. After the test drive, rerun the check. The currently selected ODB-ii codes is for the Subaru makes. I called a while back to get an ETA on a fix due my concerns with my wife and 3 year old in the car with no VDC, and they said "would. to VDC(diag)-77, DTC C0057 ECM COM-MUNICATION CIRCUIT, Diagnostic Procedure with Diagnostic Trouble Code (DTC). The P0037 is indicating that the voltage from the sensor heater at the ECM pin C4 is "low" when it should be "high" but there's no data on what a voltmeter would read at that point. Description: Defective motor and motor relay Defective harness connector ABS does not operate. The OBDII system uses C0057 a ownstream oxygen …. I ran a check All System Modules and it came up with B1101 (BATT P/Supply Malfunction Cont), B1102 (BATT P/Supply Malfunction Backup), B1103 (Ignition Power Failure) and B1104 (ACC Power Failure). Fault codes ECU - P0700 Brake control system - C0045 and C0057 Park brake - C0231 and C0232 Keyless entry …. Watch my next video: https://youtu. I pulled the followingABS codes today with a different scanner C0057 ABS/VDC-anti-lock brake System/Vehicle. By taking these steps, you can help to prevent the. Code P2764 lock-up duty solenoid circuit (low) This video shows the replacement of the valve body in this Subaru continuously variable transmission, and also. This heater plays a major role in the overall efficiency of your engine, particularly in cooler climates. It is VERY unusual for a Subaru ECU to fail and it is highly unlikely that this is your problem. Cause: Loose wiring harness connection. Causes: you either have a brake fluid leak or your pads are worn and nearing the end of life/need replacement. Are either of these potentially a doable fix at home?. Every mechanic has seen intermittent P0420's that come back after months or a year, that's common. Unlock the secrets of the P3300 code, a linchpin for sustaining vehicle performance. I had to replace both on the driver's side units that were …. ) There was a safety recall of some manual transmission 4th Gens to replace the EPB control module/actuator, and I believe a TSB was issued subsequently for cars with automatics (5AT or CVT). How to repair P0600 Subaru code Serial Communication Link. anyone have anymore ideas on this?. checked and inspected vehicle, found fault code for brake light switch. Flashing brake warning bulb could indicate a problem with the EPB. Definition: Motor and Motor Relay Off Failure. Rear lights and dashlights not working. IS “ISO If you encounter a vehicle which has DTC C0074 (with detailed code 5078) and/or DTC C0075 (with detailed code 5088 or 5099) stored in memory, there is the possibility it is caused by low battery voltage. Mechanic's Assistant: Hi there. CRC contact cleaner, or WD-40 makes one specially for cleaning electrical connections. I replaced that sensor but the ABS light isn't turning off and now has code C0024 and C0023 (Circuit Open or Short). I do not have a CEL light though. was getting p0031, and 32, replaced the front o2 sensor ($215 ouch) and the p0031 (heat bank low) went away but the 32 (heat high) is still there. Ignition switch turns to ON with the weak battery condition. " most cars have similar cross-module codes. Have you noticed any specific issues or issues with your Subaru Tribeca since the P1718 code appeared? Se generan varios códigos. Common solutions include replacing or repairing the hybrid battery pack, replacing the control module, or repairing damaged wiring or connections. In this video we discuss a common Subaru fault code associated with variable valve lift systems on the 2. If you can access codes from the DMC module, then the U0110 code is either intermittent or a memory code. However, we will need first to check the pressure sensor and its wiring integrity. C0057 - VDC Ctrl interruption Any help aside from changing Yaw sensor to help me navigate correcting these. But this is the first time for c0057 which seems to be a CAN bus comms problem and this would seem to be the culprit for the drivability issues. The P0453 would cause a limp mode. Here are the details: Troubleshooting P0171. Also, any parts store can and will check and/or clear codes for free. The code reader brings up P219E saying Cylinder 3 Air-Fuel rat Subaru Legacy Engine stall No start P0336 I have a1998 Subaru Legacy 2. The cost to diagnose the P0031 Subaru code is 1. The three codes are: 57= Engine Code, 71= Steering Sensor Signal …. Due to the location of the VSS, the wiring harness leading to them can often fail. bob wedge hairstyles I have been a bit short on cash to address and the "family friend" who diagnosed the codes for me said that …. This is going to require at the very least, a good snap on scan tool. Open or short circuit between fuse and body integrated unit. To diagnose the C0071 Subaru code, it typically requires 1. That's where I found the C0057 and C0071 codes. This code indicates a problem with the oven’s temperature sensor, which can prevent it from fun. 5 manual) had failed prior to the recall being issued, and as of recently the dealership finally got the parts to fix it. Newbie to the forum having read a million articles it seems. Check of the codes shows the following active faults occurred at the same time: P0420 Catalyst system efficiency below threshold. The codes went off on their own relatively quickly. First place to go is the battery and cables. I bought an 05 Forester X last week with 138k miles, and when I got it, the CEL was on and the cruise light was flashing. As a result of the ODB II trouble code, you must repair the left rare wheel. My 2009 forester has the “cruise” light blinking and a solid traction control off and check engine light. The cost to diagnose the P0600 Subaru code is 1. Subaru Crosstrek Service Manual: Dtc c0057 ecm communication circuit. Go to a junkyard and,instead of buying the. Today though, the CEL came on along with the dynamic stability control light, and the cruise control was flashing as well. After I clear the code, it runs better. Both the C0057 and the C0231 are related to the presence of an engine control module fault. The factors that influence the cost of diagnosing and fixing the P2100 automobile fault code include the estimated repair time, which is typically 1. C0057 is Vehicle Dynamic Control interruption ( traction control problem basically) Posted on Apr 18, 2014. Front ABS Wheel Speed Sensor RH Sig-nal Malfunction. |C0042 SUBARU code possible causes Power Supply Voltage harness is open or shorted Power Supply Voltage circuit poor electrical connection |C0057 SUBARU code possible causes Faulty …. take advantage of that and clear the codes - remove neg. OBD Code:System:Subsystem: U0110 Subaru – (ASE) Network Communication Fuel and Air Metering. C0041 Subaru Diagnostic Trouble Code (DTC) Definition, Causes and Diagnosis. Subaru A/T oil temp light Flashing – Causes & Fix. Im recieving c0057 fault code on my Subaru Impreza 2009 2. Some of these codes include B2290 (Occupant Classification System fault), B1934 (Airbag circuit resistance high), and B1231 (Crash detected, event threshold exceeded). P0420 is a diagnostic trouble code (DTC) for "Catalyst System Efficiency Below Threshold (Bank 1)". Had 4 blown rear bulbs (the ones on the trunk and above the stop bulbs), replaced all of them. Much appreciated! Answered in 12 minutes by: …. During the past three months have gotten this p050a code at least 6-7 times. The car has codes C0054 and C0057 (2). Dec 11, 2019 · 2010 Forester throwing codes P0028 OSV solenoid malfunction, 64 engine sensor failure, C0057 ECM control system and C0071 steering … read more. Threw P000A and C0057 codes in my '15 Crosstrek. Receive Stories from @chrishholland. 5i Premium OB yesterday and ran my BlueDriver code reader and data logger. P0453 and c0057 codes traction control light on and cruise. You will need to get the faults codes from other modules on the car, not just the ECM. I tried power cycling (turn engine off, back on) a couple times, no change. 2) Connect the Subaru Select Monitor to the data link connector. Usually this means your catalytic converter needs to be replaced and/or your O2 (oxygen) sensors. Yesterday, codes read from it were: C0057 U1202 B0201 Po420 B0202 April 2014 #3 coil pack replaced (did not fix) May 2014 dealer steam cleaned engine (did …. The most common fix for P0057 is a new H02 sensor or. Subaru recommends three clicks of the cap to be considered tight. I bought a friends 2008 Subaru impreza outback sport. So, replacing it without inspecting it can be a mistake. Help! My car just recently had the check engine and traction control light come on, and brake light and cruise control light started blinking. C0042 - Power supply voltage failure- reported fixes included replacing the alternator, adjust/clean battery terminals, or a loose alternator ground strap. The vehicle ran a bit better, but the code returned two days …. Web searches indicate that other causes …. tire pressure monitoring codes 12, 32, 61. Defective VDCCM power supply circuit. com has everything you need to know about this trouble code and how to fix it. Posted by Autumn Gowan on Apr 18, 2014. I have a 2005 Outback with 165K miles. It indicates that the O2 sensor at bank 2 sensor 2 has a heated element that is sending a signal back to the ECM that is below its normal operating range. The fault code P0420 catalyst below threshold is the main fault here ,C0057,71 and 72 deal with the ABS control module being inactive because of the P0420, the converter is not doing its job according to emission standards and setting the light off the repair is replacing the front converter. I replaced it today, that code and CEL went away, but now the code P1153 comes up and the cruise light is still …. obviously it needs to be fixed for inspection as it triggers the check engine light, abs, traction, brake light blinking etc. エンジン制御モジュール（ ECM ）ビークルダイナミクスコントロール（VDC）を監視の ECM ビークルダイナミクスコントロール（VDC）が工場仕様ではない場合にOBDIIコードを設定します。. C10C9 - ABS (VDC) code but no further description. Battery voltage is too high or too low. So I lived with the CEL and the last time I had my Forester in for an oil change the tech told me I had the P0420 and a new P0037 code. I noticed A/T OIL Temp Light warning on along with the whole dash lit up this morning. Is your lawn turning brown? Read our comprehensive guide to figure out why your lawn is turning brown and how you can fix it. First, you have to turn out the T30 bolt to open the sensor. the Subaru P2762 is also accompanied by a P0700, C0057 and a C0045 trouble code. Have an '09 Subaru Forester with C0071, C0057 and C0045 codes. This trouble code references a number that is given to you when you plug your Legacy into an OBDII scanner. While my brake lights were working when the 3 lights were not on. A P0420 due to an oil filter is unheard of. com OBDII FAQ; OBDII Components; Car Glossary; Car Warning Lights; Car MPG; 2022 Cars MPG; Car Test Game; For Shop Owners; Subaru OBDII Codes List. endura fm19 Besides Subaru's in house software the aftermarket has such diagnostic equipment and many shops utilize them. Cleared the code it comes right back.