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2013 Accord EX-L Sedan
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Discussion Starter · #1 ·
HELP, please. I was screwing around under the hood getting to know the beautiful engine on my 2013 Accord EX-L I4, and took out the air filter to see if could do the resonator collar removal. I put everything back except for the collar, closed up everything, and started the car, but after a second, the engine cut. I tried starting again, same thing. I realized that stupid me forgot to plug in the air mass meter after I put the air filter cover back! I'm guessing the computer didn't read any air flowing so it cut fuel too.

Well, I plugged it back in, and for good measure, put the collar back, and the car works fine now, except four four lights that stay on the instrument panel:
  • check engine
  • steering
  • TPMS
  • traction control

When I try to calibrate TPMS from the i-MID, it says "TPMS calibration failed to start." The button doesn't work either. I checked tire pressure, everything's fine. Driving the car feels exactly the same. I have no idea what's up! Should I just drive it a bit more and wait for it to go away? I already drove it a few miles, noticed absolutely no difference in driving except for those four pesky little lights.

Any ideas? :dunno:
 

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145 Posts
Take off the 2 battery terminals and touch them together for 60 sec, then plug them back in on the battery and see if that helps.
 

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Should I just drive it a bit more and wait for it to go away?
See page 577 of your owner's manual for the driving conditions required to reset the readiness codes:

1. Fill the gas tank to approximately 3/4 full.
2. Park the vehicle and leave the engine off for 6 hours or more.
3. Make sure the ambient temperature is between 40°F and 95°F (4°C and 35°C).
4. Start the engine without touching the accelerator pedal, and let it idle for 20
seconds.
5. Keep the vehicle in (P (automatic transmission/CVT) or (N (manual
transmission). Increase the engine speed to 2,000 rpm, and hold it there for about
3 minutes.
6. Let the engine idle with your foot off the accelerator for 20 seconds.
7. Select a nearby, lightly traveled major highway where you can maintain a speed
of 50 to 60 mph (80 to 97 km/h) for at least 20 minutes. Drive on the highway in
(D (automatic/CVT) or 5th (manual). Do not use cruise control. When traffic
allows, drive for 90 seconds without moving the accelerator pedal. (Vehicle speed
may vary slightly; this is okay.) If you cannot do this for a continuous 90 seconds
because of traffic conditions, drive for at least 30 seconds, then repeat it two
more times (for a total of 90 seconds).
8. Drive in city/suburban traffic for at least 10 minutes. When traffic conditions
allow, let the vehicle coast for several seconds without using the accelerator pedal
or the brake pedal.
9. Park the vehicle and leave the engine off for 30 minutes.
 

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2013 Accord EX-L Sedan
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11 Posts
Discussion Starter · #6 ·
Thanks for all the help! Never knew there had to be certain driving conditions to reset the readiness codes...

However, the lights eventually turned off by themselves after waiting a couple hours. I will definitely keep all the tips in mind for the future though :thmsup:
 

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4,631 Posts
If you have a Code reader just clear the codes, no need to disconnect the entire electrical system just to reset stored codes in the ECM.
 

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See page 577 of your owner's manual for the driving conditions required to reset the readiness codes:

1. Fill the gas tank to approximately 3/4 full.
2. Park the vehicle and leave the engine off for 6 hours or more.
3. Make sure the ambient temperature is between 40°F and 95°F (4°C and 35°C).
4. Start the engine without touching the accelerator pedal, and let it idle for 20
seconds.
5. Keep the vehicle in (P (automatic transmission/CVT) or (N (manual
transmission). Increase the engine speed to 2,000 rpm, and hold it there for about
3 minutes.
6. Let the engine idle with your foot off the accelerator for 20 seconds.
7. Select a nearby, lightly traveled major highway where you can maintain a speed
of 50 to 60 mph (80 to 97 km/h) for at least 20 minutes. Drive on the highway in
(D (automatic/CVT) or 5th (manual). Do not use cruise control. When traffic
allows, drive for 90 seconds without moving the accelerator pedal. (Vehicle speed
may vary slightly; this is okay.) If you cannot do this for a continuous 90 seconds
because of traffic conditions, drive for at least 30 seconds, then repeat it two
more times (for a total of 90 seconds).
8. Drive in city/suburban traffic for at least 10 minutes. When traffic conditions
allow, let the vehicle coast for several seconds without using the accelerator pedal
or the brake pedal.
9. Park the vehicle and leave the engine off for 30 minutes.
Well this gets the Rube Goldberg award. What complex sequence you are required to go through. This is as bad as texting because you have to read this, no way you could remember the sequence. The owner's manual also tells you to remove the fender liner to replace the strip aux bulb when all you have to do is open the hood and grab the bulb. I think the battery is far better but Honda won't tell you that. My disdain is directed at Honda, not at your post.
 

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Keep in mind that procedure is to insure all the readiness codes are set to allow for the system to verify everything is working (needed to pass emission test). Each manufacturer has their own instructions similar to these. Normally the readiness test complete due to normal driving, and there is no need to run through these procedures. It only applies when the codes have been reset with a scan tool or the battery power was disconnected.

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