Honda pilot check engine light codes

Honda Pilot P0456 OBDII Code Symptoms. P0456 code will typically not be accompanied by any noticeable symptoms other than the smell of gas and the service engine soon light.. Gas Smell– You may smell fuel vapor around the fuel tank area or fuel filler tube.; Check engine light– P0456 may be accompanied by other EVAP-related …

94 posts · Joined 2008. #1 · Dec 1, 2021. I have about had it with these codes. 2007, 185k miles, FWD. I finally got all my codes cleaned up and did pass emissions inspection a couple weeks ago and now the check engine comes on again. P2647. P0137. P0420. I feel certain the P2647 is the trouble maker and I believe this refers to the Vtec ... The check engine light on your Honda Pilot will usually shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will turn itself off. So my 07 Honda Pilot Check engine light and V-4 light came on at the same time. The code P0301 came up. (Cylinder 1 Misfire). Also, the code reader says battery voltage malfunction. The car has been running a little rough lately. It also hesitates a bit to start up every now and then. It...Check engine light and VSA light I had the same problem on my 2007 Honda Pilot. It ended up being all 6 cylinders "misfiring," VSA light, and ABS sensor logic failure. I used a OBD2 reader to reset the throttle body to idle learn which remedied the check engine light.Diagnostics for that start at the battery, battery and cable connections (all of them including ground), and the charging system. 83-11 is a PCM general malfunction specific to engine faults. Might be related to the misfire fault or the low voltage fault at the PCM. P0300 and P0302 together are diagnostic codes for random misfire in cylinder 2. 2006 Honda Pilot EX 3.5L V6. See all videos for the 2006 Honda Pilot. This free video provides the steps to diagnose and clear a check engine light on a 2005 Honda Pilot EX 3.5L V6. The video also provides steps on how to read the 2005 Honda Pilot EX 3.5L V6 trouble code.

94 posts · Joined 2008. #1 · Dec 1, 2021. I have about had it with these codes. 2007, 185k miles, FWD. I finally got all my codes cleaned up and did pass emissions inspection a couple weeks ago and now the check engine comes on again. P2647. P0137. P0420. I feel certain the P2647 is the trouble maker and I believe this refers to the Vtec ...2014 check engine and vtm-4 light. Okay so my mother-in-laws car popped the P3400 code a few weeks ago with the check engine and vtm-4 lights both on so I replaced the front oil pressure sensor which I read was the issue for the P3400 code and now I put about 400 miles on the car and both lights have come back on and the car is …2013 Honda Pilot - 123-11 and 32-11 codes, Recently replaced. Recently replaced alternator, battery, transmission fuel pressure sensor for 4th gear, fuses 11,4,6 in aux engine and fuse 4 under-dash … read more. Tire pressure light came on. I checked pressure on all 5.The check engine light on your 2016 Honda Pilot will ordinarily shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will turn itself off. Likewise, if your catalytic converter is going functional, and you did ...Original owner; 2013 Pilot 4WD ~80k miles. Oil is clean & full. The CEL & VTM-4 light randomly came on with code P3400. The car feels low on power and shudders above 55 mph. The ECO light also doesn't turn on anymore. I did a quick search and this seems to be a code for an oil pressure switch on the firewall-side of the engine that deals with VCM.Clear your Pilot’s DTC codes with a scanner. Start the engine and wait for the check engine light to come back on. If it changed to a different P030X code, the plug was bad. If nothing changed, do this for the coil packs and plug wires (if equipped). If the code stays P0304, you’ve ruled out the most common causes of this code. 2. DiagnosisWhat are the symptoms of the P0404 code? The Check Engine Light will be illuminated and the code is set in ECM memory. The engine may have pre-ignition on acceleration. ... 2006 Honda Pilot EX Grey {|} 2015 Honda Pilot EX-Res Black with Pin stripe. Reactions: zmarke01. Save Share. Like.Step 1: Park the car on level ground. Step 2: Warm up the engine to its normal running temperature, then switch it off. Don't allow more than 60-90 seconds before checking the ATF. Step 3: Locate the transmission fluid dipstick, under the hood, at the front of the bay. It should be yellow.

If your check engine light is flashing in your 2014 Honda Pilot, we excessively endorse not to drive the vehicle and schedule Honda service today. Below is a list of the most typical reasons your check engine light can come on: Your O2 Sensor (Oxygen Sensor) needs to be replaced. The Oxygen sensor, known as the O2 sensor, measures the eject of ...Thanks! I was more so wondering about the check engine light issue? ... Honda Pilot 2006 LX 4WD J35A9, bought May 2015 with 108,000 Kms / 67,000 miles. Now 270,000 Kms/ 164,000 miles. ... As for the misfire codes - If you are at 98k - I would change the spark plugs - just to eliminate that. From there - cleaning the egr is free - just your timeThe check engine light on your 2015 Honda Pilot will commonly shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will turn itself off.04 pilot. Temp sensor in the rear differential is bad causing the vtm light to come on. New sensor and rear diff fluid change. Engine oil does not affect this light nor does any sort of gasket. Like. (9) Bill Martin March 8, 2022. My pilot had that code and it was the variable timing pressure switch.Oct 26, 2023 · A Honda vehicle’s check engine light (CEL) is a warning indicator that something is wrong with the engine or emissions system. It can indicate various problems, including issues with the fuel system, catalytic converter, oxygen sensor, spark plugs, and more. The average price of a 2014 Honda Pilot check engine light can vary depending on location. Get a free detailed estimate for a check engine light in your area from KBB.com Car Values

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So, my 2010 Pilot started throwing up the check engine light, VTM-4, VSA problem again a couple days ago. Idle was a little rough, but not close to the original time. I went to Advance Auto to scan the code - found it to be P0301 - Cylinder 1 Misfire.videoguy Discussion starter. 20 posts · Joined 2015. #1 · May 8, 2023. My 2010 Honda Pilot has check engine light on. It is ON, not blinking. I have Ancel ODB2 device. I connected it and turned the ignition on. Instead of giving a code, it is giving a picture like below. I need to drive 4 hours tomorrow to pick up my son from college.2017 Pilot Elite - Steel Sapphire: MOD's: Honda Chrome Running Boards, Honda Mud Flaps, Chrome Tail Gate Trim, NightEye H8 LED Fog Lights, LED Interior Lights, LED Backup Lights, Honda (Ridgeline) Air Deflector (Low Profile), Weather Strip Gas Access Door, Engine Bay LED Light, Sedona Suede Dash Cover, VCM Tuner II, Anker ROAV C1 Dashcam, Hood Strut Kit.About a week ago, with 103,000 miles, I started it up and noticed the check engine, VSA, VTM-4, and warning light all came on. Drove it around a bit and it seemed to lurch when trying to change gears around 45 mph. Took it to a local shop to diagnose the codes and the mechanic pulled 1 code; P2649, rocker arm solenoid VTEC valve sensor.

If your check engine light is flashing in your 2018 Honda Pilot, we remarkably recommend not to travel to work the vehicle and schedule Honda service today. Below is a list of the most acknowledged reasons your check engine light can come on: Your O2 Sensor (Oxygen Sensor) needs to be replaced. The Oxygen sensor, acknowledged as the O2 sensor ...Nov 15, 2019 ... ... codes on this 2009 Honda Pilot 3.5L ... Every engine part changed, still has P0171 P0174 codes Pt1 ... Check Engine Light? System Too Lean - Code ...Don't send mixed signals - if your turn signal doesn't blink, or blinks rapidly, you likely have a burnt out bulb. This free video provides the steps to diagnose and clear a check engine light on a 2013 Honda Pilot EX-L 3.5L V6. The video also provides steps on how to read the 2013 Honda Pilot EX-L 3.5L V6 trouble code.Step 3: Clear the Service Codes. Now that you have prepared for clearing the service codes, it's time to actually clear them. Follow these steps: Step 3.1: Turn off the ignition and remove the key from the ignition switch. Step 3.2: Insert one end of the jumper wire or paperclip into the two specified pins in the diagnostic connector.Wait for a few seconds. Turn on the engine. Shift the gear selector to drive mode (D) You can also try pressing and holding the VTM-4 button on the dashboard if the car is in running mode. The light must have gone off by now. If not, it's better that you take your car to the mechanic to get it resolved.2013 Honda Pilot - 123-11 and 32-11 codes, Recently replaced. Recently replaced alternator, battery, transmission fuel pressure sensor for 4th gear, fuses 11,4,6 in aux engine and fuse 4 under-dash … read more. Tire pressure light came on. I checked pressure on all 5.Thanks! I was more so wondering about the check engine light issue? ... Honda Pilot 2006 LX 4WD J35A9, bought May 2015 with 108,000 Kms / 67,000 miles. Now 270,000 Kms/ 164,000 miles. ... As for the misfire codes - If you are at 98k - I would change the spark plugs - just to eliminate that. From there - cleaning the egr is free - just your time2017 Pilot Elite - Steel Sapphire: MOD's: Honda Chrome Running Boards, Honda Mud Flaps, Chrome Tail Gate Trim, NightEye H8 LED Fog Lights, LED Interior Lights, LED Backup Lights, Honda (Ridgeline) Air Deflector (Low Profile), Weather Strip Gas Access Door, Engine Bay LED Light, Sedona Suede Dash Cover, VCM Tuner II, Anker ROAV C1 Dashcam, Hood Strut Kit.Turn your ignition ON without starting your engine up. Toggle the Select/ Reset button to display Oil Life %. When displayed, press and hold the Select/ Reset button for 10 seconds until the screen blinks. Release the button, then press and hold Select/Reset again for 5 seconds until the code disappears.videoguy Discussion starter. 20 posts · Joined 2015. #1 · May 8, 2023. My 2010 Honda Pilot has check engine light on. It is ON, not blinking. I have Ancel ODB2 device. I connected it and turned the ignition on. Instead of giving a code, it is giving a picture like below. I need to drive 4 hours tomorrow to pick up my son from college.

If the check engine light in the Honda is red, in some models this means to stop immediately and have the vehicle looked at. For a potential quick fix to the check engine light being on in your Honda , physically tighten the gas cap. In many cases this will completely fix the problem. If the check engine light has come on in your Honda, or if ...

If the check engine light comes on in Your 2009 Honda Pilot then the first thing that You should do is try to stop driving as soon as possible. Continuing to drive with a check engine light on at Your dash can cause more damage to the engine components if there are any physical problems. When You have stopped You can use an OBD II scan tool to read the code that is stored in the ECU to ...Check engine light on w/P0420 and freeze frame data. I recently bought this 88,000 mile '06 truck and the check engine light came on soon after with code P0420 for Catalyst System Efficiency Below Threshold (Bank 1). That is the only code stored. I then drove it home 1000 miles and it ran fine, getting 20 mpg at 70-75mph.The check engine light on your Honda Pilot will usually shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will promptly turn itself off.If your check engine light is flashing in your 2015 Honda Pilot, we highly indicate not to drive the vehicle and schedule Honda service today. Below is a list of the most modern reasons your check engine light can come on: Your 2015 Honda Pilot has a vacuum leak. Every Honda Pilot has a vacuum system that performs a wide range of functions. Honda Pilot Check Engine Light Codes. The check engine light turning on can be quite intimidating to see that little light on your vehicle’s dashboard suddenly illuminates, but in reality, it is not something that should cause you to shut down in fear right away. If you hear the term, diagnostic trouble codes (DTC), these are just another ... A common trouble code with the Honda Pilot is P0172. This code number references a number given to you when you plug your vehicle into an OBDII scanner. It's not the most complicated OBDII trouble code to diagnose. ... Check Engine Light- Other codes may appear with P0172 as well. Categories Honda Pilot. Honda Shuttle P0172: Fuel System Rich ... 2006 Honda Pilot EX 3.5L V6. See all videos for the 2006 Honda Pilot. This free video provides the steps to diagnose and clear a check engine light on a 2005 Honda Pilot EX 3.5L V6. The video also provides steps on how to read the 2005 Honda Pilot EX 3.5L V6 trouble code.

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Three methods to read VTM codes: Honda specific code reader. Look at Foxwell. Dealer or shop with Honda code reading ability. OBD2 port jumper method to see main code (no subcode) on the dash lights. 2021 Prius Prime. - I only bought it for HOV lane access. 2014 Toyota Tacoma Double Cab Longbed 4x4 Limited.6 posts · Joined 2009. #14 · Mar 11, 2009. Flashing "D" Indicator - $4000 repair from Dealer !!! 2005 Pilot. 60,000mi. recent service done + transmission fluid changed. Read a lot about the "D" flashing issue and other issues … here is my $4000.00 story from the Dealer.What to expect when your 2023 Honda Pilot has a Check Engine Light. When the Check Engine Light (CEL) comes on it means there is a fault detected by your car's diagnostics which may be related to the engine, transmission, or emission system. The technician will use a scanner that connects to the vehicle's diagnostic port to determine the ...Fortunately AutoNation Honda Chandler is here to help you figure out what might be wrong, and what your next steps should be. Below we have highlighted the most common causes of a check engine light. Loose Gas Cap: Your gas cap is loose, broken, or simply missing. Gas cap issues can reduce fuel pressure and allow fuel vapors to escape, reducing ...I have a 2017 Pilot EX-L, with the 6 speed transmission. Just wanted to report, for what it's worth, that I hadn't seen a code to change my transmission fluid since I bought it new from the dealer. At 48,000 miles, the transmission check Engine light came on. Soon after, there was some gear...The VTM-4 light indicates that the torque management system is active, allowing the Honda Pilot to drive across difficult terrain. It could also indicate an issue with the VTM-4 system, but in many cases, this light doesn't indicate that anything is wrong other than the system is activated. If the light remains active while driving across ...Mar 10, 2012 ... Pull codes on a Honda Pilot without the need of a scanner tool. By simply jumping 2 pins on the data port the fault codes are flashed on the ...2007 Honda Pilot idles rough. Codes P0300 P0301 P0302 P0303 P0304 P0305. Replaced air filter, spark plugs and coils. Cleaned EGR. … read more. Expert. 5 satisfied customers. The codes are P0300-P0306, P0780 and P1399. P0300-0306 are. The codes are P0300-P0306, P0780 and P1399.The check engine light on your 2015 Honda Pilot will usually shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will turn itself off. Likewise, if your catalytic converter is going detailed, and you did ...the engine. Restart the engine and watch the indicator light. If it stays on, have your car checked by the dealer as soon as possible. Drive moderately until the dealer has inspected the problem. Avoid full-throttle acceleration and driving at high speed. You should also have the dealer inspect your car if the indicator light comes on ...Fixing P0128 in the Honda Pilot is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. When a thermostat is stuck open, it … ….

1: List of Honda Check Engine Light Codes with Details. Below are the detailed Honda check engine codes. Each code in the list corresponds to a specific issue. These codes help you identify the specific problem. 1: Mass Air Flow Sensor Codes: 1: P0100 – Mass or Volume Air Flow Circuit: The sensor measures the amount of air entering the engine ...Home. Honda. Pilot 2016. Check Engine Light / Diagnose. Check Engine Light is On: 2016 Honda Pilot EX-L 3.5L V6. Honda Pilot Model Years - 2016, 2017, 2018, 2019. …The check engine light on your 2021 Honda Pilot will ordinarily shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will swiftly turn itself off. Likewise, if your catalytic converter is working perfectly, and ...If so, visit one of our 90 locations nationwide for free 2020 Honda Pilot check engine light analysis. Skip to main content. CALL US: 407-917-7433; 11051 S Orange Blossom Trail Directions Orlando, FL 32837. Get Approved Express Service Ver en Español Log In. Viewed; Saved; Alerts;The check engine light on your 2021 Honda Pilot will ordinarily shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will swiftly turn itself off. Likewise, if your catalytic converter is working perfectly, and ...P0847 Transmission Oil Pressure Switch Fixed! First real post. Thanks to this forum for all this advice when the CEL showed this code on my recently purchased 2011 Honda Pilot. Here's my chance to give back for all the 2009-2011 Pilot owners with a flashing "D" and DTC 0847.Use "advanced search" option and select the "2012-2015 Pilot" forum. Use "pressure switch"+P0842, with quotes around "pressure switch" phrase as your search term. Look at related P0847 code. The first several will give you details on the problem including location pics. Heed the guidance about using a Genuine Honda replacement switch.If you’re in the market for a new Honda Pilot, finding the best price is likely at the top of your priority list. With so many dealerships and online platforms to choose from, it c...The check engine light on your 2015 Honda Pilot will commonly shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will turn itself off. Honda pilot check engine light codes, "Honda Check Engine Light - Learn about the causes and solutions for a check engine light (CEL) on a Honda vehicle. The CEL can indicate issues with the engine or emissions system and can be caused by a variety of problems. A certified mechanic can use diagnostic tools to read the vehicle's diagnostic trouble codes (DTCs) and determine the specific issue causing the CEL. Common causes include ..., Illumination of the check engine light. Increased fuel consumption. More DTCs might also appear, such as VVT codes, misfire codes, and oil pressure codes. How to fix P3400. After diagnosing your Honda Pilot, ensure the code is because of a mechanical fault before proceeding with repairs. The oil passageways sometimes become filled with debris ..., I took it to auto zone and the only code they can read is the check engine light which says cylinder 5 misfire, but could that cause all these other lights to come on? ... troubleshooting, modification DIY's and discussion for the Honda Pilot SUV. Show Less . Full Forum Listing. Explore Our Forums. 2016-2022 Pilot General Discussions 2003 ..., Free 2019 Honda Pilot check engine light diagnostics available this week. Click here to get check engine light information on your 2019 Honda P. Skip to main content 2019 Honda Pilot Check Engine Light. Schedule Express Service Get Pre-Approved Search CALL US: (469) 405-3340;, Answer: There are a lot of things that can cause the check engine light to come on. Some common issues are O2 sensors, evaporative emissions leaks, a loose gas cap, a misfire, spark plugs, low coolant, etc. I recommend having the code checked; it will point you in the right direction., The check engine light on your 2015 Honda Pilot will usually shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will turn itself off., P0847 Transmission Oil Pressure Switch Fixed! First real post. Thanks to this forum for all this advice when the CEL showed this code on my recently purchased 2011 Honda Pilot. Here's my chance to give back for all the 2009-2011 Pilot owners with a flashing "D" and DTC 0847., What were the codes associated with the check engine light? One common issue on Pilots with many miles is clogged EGR passages in the intake manifold. ... troubleshooting, modification DIY's and discussion for the Honda Pilot SUV. Show Less . Full Forum Listing. Explore Our Forums. 2016-2022 Pilot General Discussions 2003-2008 Pilot 2012-2015 ..., The average cost for a Honda Pilot Check Engine Light Diagnosis & Testing is between $88 and $111. Labor costs are estimated between $88 and $111. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed., The check engine light on your 2021 Honda Pilot will ordinarily shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will swiftly turn itself off. Likewise, if your catalytic converter is working perfectly, and ..., I took it to auto zone and the only code they can read is the check engine light which says cylinder 5 misfire, but could that cause all these other lights to come on? ... troubleshooting, modification DIY's and discussion for the Honda Pilot SUV. Show Less . Full Forum Listing. Explore Our Forums. 2016-2022 Pilot General Discussions 2003 ..., 1. Complaint: check engine light came on flashing, car started losing power until shut off and refilled with fuel then car seemed fine. Cause/Repair: checked system, no codes, test drove OK, most likely bad gas. 2. Customer states radio and Nav goes blank on screen or freezes up, UI slow or sluggish to respond to input.Cause/Repair: 15-072 Update., If the VTM-4 light comes on accidentally, it indicates that the system is not working properly and needs to be reset. In order to reset the VTM-4 system, follow these steps: Park the vehicle on a level surface and turn off the engine. Remove the VTM-4 fuse from the fuse box. Wait for 30 seconds before replacing the fuse., Faulty O2 sensor. A faulty upstream oxygen (O2) sensor can cause the check engine light to come on in Honda Pilot. The oxygen sensor is an important component of the vehicle's emissions control system, and it monitors the amount of oxygen in the exhaust gases. The engine control module (ECM) uses this information to adjust the air/fuel ratio ..., I have a 2010 Honda pilot thats over 200,000 miles. as of late the check engine lite popped on with VSA and VTM4 light but then the VSA and VTM$ light disappeared but check engine light remains. AFter going to autozone to get codes I got the P3497 code that says Valve Pause System Stuck on off and recommend need new Variable Valve Timing (VVT ..., Clean the EGR passages in the intake manifold. This is a common problem in older Pilots with high miles. The passages get clogged with carbon and cause random misfires. This, in turn, causes the VTM dash indicator to light. Clean the passages, check the function of the EGR valve itself, and replace the PCV valve (cheap)., According to the owner's manual, a flashing VTM-4 warning light on a Honda Pilot means that you should immediately pull over, slot the transmission into Park, and let the engine idle until the VTM ..., 2011 Honda Pilot Check Engine Light is on 4 Answers. Hello, My 2011 Honda Pilot has 116800 miles. I recently got new spark plugs, timing belt, water pump, both front axle. Now suddenly the check engine light is on. I took it back to the same mechanic ..., 2013 Pilot Check Engine Light Codes P2422 P1454 P0452 HELP! ... The check engine light in my 2013 Pilot EX-L comes on intermittently and does not blink. ... VerticalScope Inc. Content on …, The check engine light on your 2016 Honda Pilot will frequently shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will turn itself off. Likewise, if your catalytic converter is going suitable, and you did a lot ..., 1. Locate the OBD-II port, usually located under the dashboard on the driver's side. 2. Plug the code reader into the OBD-II port. 3. Turn on the ignition, but do not start the engine. 4. Follow the instructions on the code reader's screen to retrieve the codes. 5., 2006 Honda Pilot EX AWD check engine and VTM-4 light. I thought I post this thread to add my personal experience diagnosing the check engine (CEL) and VTM-4 light issues. Hopefully this information can help somebody. My 2006 Pilot EX AWD now has 177k miles and is running as good as new now that I adjusted the valves to fix the issues!, Step 3: Clear the Service Codes. Now that you have prepared for clearing the service codes, it's time to actually clear them. Follow these steps: Step 3.1: Turn off the ignition and remove the key from the ignition switch. Step 3.2: Insert one end of the jumper wire or paperclip into the two specified pins in the diagnostic connector., If the check engine light is glaring, this means that there is a unsafe issue and it is recommended to service your Honda Pilot suddenly. Call the experts at Hare Honda by dialing 3178544791 so you can describe the issues. Or reduce your speed and bring your Honda to our certified mechanics as soon as convenient., Bought a 2008 pilot SE 2wd with 42,000 miles in Feb 2012, in june 2012 the Check engine Light came on, took it to the Honda dealer, who charged $175 and pulled misfire codes P0300-P0306. performed PGM-F1 software update and Relearn idle & ckp pattern and recommended performing a valve clearance adjust for $325, which i …, Feb 22, 2009 ... No Start, Diagnostic Basics - EricTheCarGuy · Read OBD1 CHECK ENGINE Codes CHEVY GMC 1982-1995 without Reader using a PAPER CLIP · Honda Pilot # ..., Clear your Pilot’s DTC codes with a scanner. Start the engine and wait for the check engine light to come back on. If it changed to a different P030X code, the plug was bad. If nothing changed, do this for the coil packs and plug wires (if equipped). If the code stays P0304, you’ve ruled out the most common causes of this code. 2. Diagnosis, Check Engine light is on. After a few minutes the RPM's start to fluctuate between 1000-1500 in both Park and Neutral. The VTM Light has come on. Funny thing is when, I turn the A/C on the rough idle stops. VTM light stays on and so does the check engine light. Any ideas in the meantime would be greatly appreciated., , May 16, 2022 ... (PCM) will store the P0420 trouble code and turn on the check engine light ... 3rd Gen Honda Pilot LX EX EXL Elite AWD DTC P0420 Engine ..., If so, visit one of our 90 locations nationwide for free 2012 Honda Pilot check engine light analysis. Skip to main content 2012 Honda Pilot Check Engine Light. CALL US: 386-210-0089; 2677 N Volusia Ave Directions Orange City, FL 32763. Get Approved Express Service Log In. Viewed; Saved; Alerts;, Updated: February 12, 2023. On your Honda Pilot dashboard, you may have become familiar with many of the warning lights, but the VTM-4 might be a new one to see. …, Most trouble codes start with a P or B or C and have a 4 digit number. The P0420 code has to do with your catalytic converter. Either that bank 1 cat is not working properly, or the sensor that monitors the cat is malfunctioning. Have it tested at a certified repair shop. B.