I need help I got code p0780 And while driving cause all of a sudden goes into nuetral I would turn the car off then back on to get it to go in drive

 

Going threw the same with my 04 TL & 05 TL the 04 no longer gets driven due to the problem being alot worser no CEL for the codes but the 04 gives me these codes randomly

 

To fix some of the codes there's a sensor behind the driver side tire that u can change and it does help the car from going into nuetral, and I took out the transmission filter, but still the problem occurs just not as much, it's really frustrating because my car was shifting great without no problem and I'll listen to it just happen out of nowhere started going into neutral while I'm driving

 

Chase your voltage issues first, clear the codes, and see what comes back. Anytime there are complaints about voltage, expect other random crap to throw errors until it is resolved.

 

I just did a 3x3x3 with a transmission filter change On the 04 waiting for my pressure switches. I did change them on the 05 and it still goes into nuetral randomly or on slopes. The 04 will not even let me switch it to manual let alone let me drive once it warms up

 

I did it said the battery was bad but never had a issue wit it starting and i swapped it with the 05 battery witch is new and not a difference with shifting. And i took every thing apart and cleaned all the solenoids

 

[QUOTE=19Ralph93;16470961]I just did a 3x3x3 with a transmission filter change On the 04 waiting for my pressure switches. I did change them on the 05 and it still goes into nuetral randomly or on slopes. The 04 will not even let me switch it to manual let alone let me drive once it warms what's the part number of that sensor located under their Tire/QUOTE]

 

[QUOTE=19Ralph93;16470965]I can't remember all I know is when I changed it I had to put the car in nuetral and it's right behind the driver side tire it's like a black box sort of

 

You should also check your grounds.

If the battery code is still there after you cleared them, then you probably have a ground issue or B+ is not getting to some systems.

 

B+ is a solenoid right? I here a whining noise when I switch to park or neutral from under the hood.

 

[QUOTE=Christina Hernandez;16471251]I put some Lucas transmission fix stop slip in my 05 and i change the transmission oil today so far no neutral issues. But i only drove it for 10 minutes went through every gear fine I put it in manual is shift when I shift it. But if you can DM me so we can FaceTime so we find the black box. Im on sc and fb also if thats better

 

B+ = Battery positive

Sorry about that.

 

Clean the terminal still not at I'm both sides I think I might just order some solenoids because I already flushed it three times already change the transmission filter I already cleaned the battery already swap my battery with my new a battery and still no change. I can post a video on YouTube if that helps describe the issue as far as what it's doing

 

the video of my 04😬😬

 

https://www.engine-codes.com/p0780_honda.html

P0780 HONDA Possible Causes

• Low transmission fluid level
• Dirty transmission fluid
• Faulty shifting solenoid valve
• Shifting solenoid valve harness is open or shorted
• Shifting solenoid valve circuit poor electrical connection

 

I think you misunderstood me.

If you are still getting the battery codes after you swapped with a good battery and cleared the codes, then that probably means you either have a bad ground and/or battery voltage is not getting to some electronics on your car. You will need to check all your power and grounds are good.

You also have a PCM/ECM code (83-1), which is something you should look at first. The transmission is controled by the PCM so if it's not commanding the shift solenoids on or off then it will cause the transmission to act up.

Transmissions are not easy.

I took a look at the 2004 TL service manual, and it doesn't seem very helpful for your symptoms:

 

And these are the results I got back

 

But what's the DTC number?

 

Alright guys. Here's my fix.

Replace the transmission.

$400-$500 at the wreckig yard.

 

Hi my 04 Acura TL just got the code p0780 shift error
Does anyone know what this means because I been trying to figure it out but no luck at all please