Question about 1999 Honda Odyssey
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Posted on Jan 02, 2017
The dealer where you bought the vehicle should be able to help you with this code. Sometimes a sticker is affixed inside the glovebox too.
Posted on Nov 29, 2008
If an audio unit with theft protection is disconnected from electrical power, you must enter a unique code number into the unit or it will not work. This code and the audio unit’s serial number are listed on the anti-theft ID card that comes with the vehicle. If this card is lost, you must obtain the audio unit serial number in order to get the radio code. Some newer vehicles allow you to retrieve the audio unit serial number electronically from the radio. Refer to your owner’s manual for the specific procedure (the following usually will work: Turn the radio off. Push the preset 1, preset 6, and power buttons at the same time, then quickly release.)
. Some older vehicles (model year 2003 and older) require a visit to the dealer in order to retrieve the audio unit serial number. Once you have the audio unit serial number, you can call Auto Customer Service at (800) 999-1009 or have the dealer look up the radio code.
Hope this gets you started on getting it playing.
Posted on Nov 13, 2009
SOURCE: code for honda odyssey
It sounds like you are looking for the security code for your radio. This is a theft deterrent if power is lost to it. Unfortunately, you must go to the dealer to retrieve the code unless the previous owner (if used) remembers it
Posted on May 10, 2010
SOURCE: 1999 Honda Odyssey 3.5l engine.
EGR stands for Exhaust Gas Recirculation. It is part of the vehicle emmissions system, and is used to reduce combustion temperature and pressure to control Oxides of Nitrogen. There are generally three parts to the EGR system: the EGR valve, an actuator solenoid, and a differential pressure sensor EGR (DPFE). These things work together to deliver the correct amount of recirculation based on engine temperature, load, etc. The P0401 code means that OBD detected an insufficient amount of EGR.
Symptoms: You may notice drivability problems such as pinging (a.k.a. pre-ignition knock) when the engine is under load or the vehicle is at higher speeds. There may also be other symptoms.
Causes: A code P0401 most likely means one or more of the following has happened:
* The DPFE (differential pressure feedback EGR) sensor is faulty and needs to be replaced
* There is a blockage in the EGR (tube), most likely carbon buildup
* The EGR valve is faulty
* The EGR valve may not be opening due to a lack of vaccuum
Possible Solutions: In fixing this code, it is quite common for people to just replace the EGR valve only to have the OBD code return. The EGR valve is not always the culprit.
* Use a vacuum pump and pull the EGR valve open while monitoring engine RPM's & DPFE voltage. There should be a noticable difference in RPM's with the EGR open
* Clean out the EGR valve and/or tubing to remove deposits
* Check the voltage at the DPFE, compare to specified values (refer to a repair manual for your specific model)
* Replace the DPFE sensor (with a good quality / OEM one)
* Replace the EGR valve
Test it and tell us news.
Posted on Dec 13, 2010
The code number is different for all Hondas. There should be a credit card sized piece of plastic with the owner's manual with the number on it. If not, have your Honda dealer contact HONDA with the vehicle identification number (vin) to get the code. Write it down and keep it safe. You'll need it each time the battery is disconnected or you lose power for some reason. It's the anti-theft component of the sound system. Some dealers record the number where you can find it, such as inside the glove box, or inside the trunk overhead. It's a 5 digit number. Good luck!
Posted on Dec 14, 2011
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