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Old 01-04-2013, 03:33 AM   #1 (permalink)
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d5 blinking with codes p1298 & p1768

Greetings,
I have a 2001 mdx with 145880miles on it, I drove about 150miles day before yesterday & the x
did well without issues but after washing it this yesterday including the engine, I noticed the D5 blinking as I revved the engine & about the same time, I heard a small noise under the steering.
I quickly turned off the ignition, checked the fuse & found fuse no. 6 (pcm ecu) blown so I scanned the vehicle & it threw codes p1298 & p1768.
I also started the car, engaged reverse & noticed the car was jumpy(quick to engage) I also haven't replaced the blown fuse.
Suggestions from the pros or experienced mdx users will be highly appreciated.
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Old 01-04-2013, 05:04 AM   #2 (permalink)
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Oh k, I just removed d battery head terminals, replaced d fuse with exactly 15amp from d spare & re-scanned d vehicle.
The codes are still there & I also found out d fuse blew again meaning d mdx still have d issue.
Hellllpppps
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Old 01-05-2013, 02:44 AM   #3 (permalink)
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I fear no one wants to help out, is it me or the discussion has been treated before?
If d later is d response, can one refer me to it cos after a little drive like 3miles, d battery died & it happened that d alternator wasn't charging so a friend pulled few sockets/blown fuses & replaced/changed then d d5 stopped blinking & d alternator also started charging d battery again.
So car came back to normal but after driving back abt 3miles again.
The d5 started blinking again & battery light also disappeared when ignition is turn to on position.
I need help pls
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Old 01-05-2013, 01:02 PM   #4 (permalink)
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klecci,

I wish I could offer some assistance but I am a brand new MDX owner and am not really sure what to tell you other than to contact your dealership to see what they may be able to do to help you out. It does sound as though you have some sort of a transmission and electrical problem since fuses dont just blow unless there is a problem.

INGunGuy
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Old 01-04-2014, 03:14 AM   #5 (permalink)
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KLECCI,

I am having the same symptoms - the dealership is useless - just lots of codes and lots of $$. They sent me to Mr. Transmission and they spotted the blown fuse quickly. The fuse was replaced and the vehicle ran fine for 2 weeks. Now the same has happened and the Mr. T replaced the fuse so I am back on the road.

Symptoms are on ignition/startup the fuse blows - both times. Both times engine was warmed up.

I am keeping a supply of fuse handy until I find the root cause - any suggestions?

The tranny solenoids have been fingered along with the cruise control.
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Old 01-07-2014, 04:01 PM   #6 (permalink)
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Klecci,

All this happened after you washed the engine, correct?

After washing the engine, did you wait for a long time to dry out everything or did you start the car right away? If you did start the car while the alternator is wet, all hell can break loose. Remove the alternator and have it checked out for shorts.
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Old 11-19-2014, 02:18 PM   #7 (permalink)
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2001 mdx with p1298 and p1768

Quote:
Originally Posted by klecci View Post
Greetings,
I have a 2001 mdx with 145880miles on it, I drove about 150miles day before yesterday & the x
did well without issues but after washing it this yesterday including the engine, I noticed the D5 blinking as I revved the engine & about the same time, I heard a small noise under the steering.
I quickly turned off the ignition, checked the fuse & found fuse no. 6 (pcm ecu) blown so I scanned the vehicle & it threw codes p1298 & p1768.
I also started the car, engaged reverse & noticed the car was jumpy(quick to engage) I also haven't replaced the blown fuse.
Suggestions from the pros or experienced mdx users will be highly appreciated.
I had the exact same problem with my used 2001 mdx with 231k on it. I had just replaced the transmission with a used unit and had multiple codes. My fuse was blown and that affected the charging system, d5 blinking light,check engine light was on and also the vtm-4 light. I worked for over 6 hours before finding the fuse. I also found that when this fuse is blown my mdx started out in 5th gear or you could pull it to 4th and take off better. I think this fuse should have more info in the owners manual or even online. I think this fuse is what caused my tranny to burn up because my 17 year old son just held it to the floor to make it move. He said it smelled funny. The next morning it would not move.
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Old 01-21-2015, 04:06 PM   #8 (permalink)
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Thumbs up 2001 mdx fuse 6 blown code 1768

I have been fighting this blown fuse issue for over 2 weeks including time at the local acura dealer. They could not duplicate the failure but after I got it home it blew the same fuse again. Fuse 6 next to the emergency brake supplies a number of items but when you trace it out it actually has 4 wires coming out of the fuse block. I spoke with the acura mechanic and also the service adviser and they were nice enough to supply me with the wiring schematic.
The next step was to remove the fuse block and install 4 inline fuses with extra lengths of wire into each of the 4 wires coming out of the fuse block. This was done to figure out which of the 4 circuits was casuing the 15 amp fuse to blow. I installed 7.5 amp fuses in each wire and went for a test drive. The 7.5 amp fuse blew repeatedly in one wire only. This wire went to the alt, heated oxygen sensor,ecm and a purge valve solenoid. I replaced o2 sensor and alt. and fuse blew. I unplugged purge valve solenoid and fuse still blew. I went back to acura and we discussed this and it was decided that the last part was the ecm. Acura wanted $1400 for a new one. I purchased a used ecm out of a 2001 mdx and it came with the key switch and key which was very important because I did not have to pay acura to program the used ecm. I installed the computer and keyswitch and the car has yet to blow any more fuses.

I would like to add that I also replaced the a/b solenoid valve on the transmission as that is the code it was setting but that is because it lost all power when the #6 fuse blows. The job of installing the inline fuses is difficult and you should expect it to take around 8 hours. I also installed inline fuse holders that would light up red when the fuse blows so you will know immediately that you have a problem. If the ecm would not have fixed it I was going to give up and trade it in to let someone else deal with it.
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