No idea what the shop did, could be as simple as 'forgot to plug something back in', best to let them diagnose.

 

That's exactly what the transmission shop owner said, that maybe wires weren't connected. Car going in Monday AM. Thanks,

 

I had a rebuild of the trans. and it's still not right; same lights on and transmission shop can't locate the problem. Been 2 weeks and can't locate the problem. They may try a new computer and see if that works, and if not, return it. So I'm losing hope and patience. Transmission was totally rebuilt at $4K. Now I'm thinking I should consider the rebuild a $4K loss and go with a used Accord AV6 as so many originally suggested. I looked at the site car-part.com and they have a AT,CPE 3.0 and a AT, Sdn, 3.0 VIN M (5th digit). I've read on this site that not all AV6s will fit the CL and probably because there are two AV6 transmissions listed for the Accord. Does anyone know which AV6 is the correct model for the CL?

 

There are two models, because there was a hybrid model I believe.

The one you want is a BAYA model. I can attest to their reliability. 160k AV6 thrown in, and beaten on almost daily before my 6 speed swap. Still runs just fine.

 

Use either 'green' arrow, do not use the red arrow:

That should result in a 06-07 BAYA unit as Thefireball stated.

 

I wonder why there is a distinction with the two transmissions, the AT, Cpe 3.0 and the AT, Sdn. 3.0 Vin M (5th digit). I'm thinking that is was a member was referring to, that is, that not all are compatible.

 

Yes, the 3rd model is the Hybrid model.

 

The year 06-07 AT, Cpe 3.0 (2dr.Coupe)
and the 06-07 AT, Sdn. 3.0 (4dr.Sedan)Vin M (5th digit) both use the same BAYA AT transmission on the 3.0 V6.

If you shop for one of these try and get the best low mile, low priced 2007 you can find.

Compare the AT torque converter cases between the three models that bolt to the engine block.
The differences stand out below between the AV6 Hybrid & AV6 3.0.
The AV6 3.0 AT torque converter case is the same as your V6 CL-P.
AV6 Hybrid;

AV6 3.0;

01-03 CL-P;


From the now 10 year old thread that started it all here on these 2G CL-TL & 3G TL forums:

FAQ: 06-07 AV6 Transmission 'Swap' - AcuraZine - Acura Enthusiast Community

 

$4k!

 

$100 more, and that's how much I paid for both my CLs and my TL combined.

 

Let this be a lesson to other folks to not even bother 'rebuilding' a shitty transmission, there's a reason why the AV6 thread has grown so large, it just WORKS

 

There's more...looking for anything in particular?

 

Well, transmission shop had my car for a few weeks and did a rebuild, but have same identical symptoms. Planning on retrieving my car next week if not fixed, and considering the AV6 Swap and have a couple of questions. I finally found a mechanic who will do the swap and started looking for a transmission. I saw a remanufactured unit but was told that it does not include external parts like the solenoids pressure switches, etc. Is this customary as I’m certain all those OEM parts would increase the cost substantially. Are most swaps done with a used transmission because those units have all the external components? Thanks,

 

Thefireball,
I assume that your AV6 was purchased used. Did it come with the solenoids, etc. attached or did you have to purchase the externals?

 

Hey guys,
I'm looking at the transmission diagram for the CL and puzzled about the number of solenoids. I see that there are 2 linear solenoids and believe 4 shift solenoids and now see there are 2 solenoid assemblies (28588-P6H-013) in the parts list. Do we have 6 or 8 solenoids in the CL?

 

Is this the one that you are considering?
2003 2004 2005 Honda Accord V6 BAYA Remanufactured Automatic Transmission | eBay
If not, is it possible to provide a link to said reman. unit?

 

It came with everything attached. Ordered off of car-parts. Think I paid $800? 160k miles, beaten on and redlined almost daily. Still going strong. About to be sold in another car CL I converted. Just gotta stop being a lazy ass and finish it.

 

Got my rebuilt trans. today and has same symptoms. Got code P0743 and it refers to Torque Converter Circuit Electrical. Is the Torque Converter Clutch Solenoid the same as the Linear Solenoid?

 

The top #10 appears to be the torque converter clutch solenoid valve below & 'A' on the FSM graphic above.
#6 (on top) & #7 (front side) are labeled 'Linear solenoid'.
Sensor - Solenoid - 2003 Acura CL 2 Door PREM (NAVIGATION) KA 5AT (acurapartswarehouse.com)

 

Time for some troubleshooting

 

Transmission shop refunded the full amount paid of $4211 when I picked up the car yesterday. Shop recommended taking the car to the dealer and did so this morning. They ran diagnostics and had code P0743 and P0700. P0743 is the Torque Converter Circuit (TCC) Electrical per my scanner and what Zeta mentioned. Tech decided to replace the TCC solenoid, which is the same one shown on Zeta's diagram. I believe the shop replaced the same one with aftermarket. I've read from others that the problem many times is with using aftermarket solenoids. So the dealer will get the part in tomorrow and see if that solves the problem or more solenoids are necessary. Hoping that does the trick as the shop hourly rate is $229.

 

So, theoretically, if the retail $96.59 OEM TCC 28400-P6H-003 versus the cheaper aftermarket one used by the rebuilder does the trick, overall, you may walk out with a rebuilt tranny for, what, less then $500 to the dealer for their trouble?

 

that’d be an amazing end to this story

 

I took the liberty of merging all of your transmission threads into a single one

 

Yes, theoretically I would be in good shape but that's not quite the end of story. Thus far, with the cost of diagnostics of 2 hours at $229 per hour plus tax and supposedly shop supplies, I'm just over $700 for the $119 solenoid. After the solenoid is installed, they'll do another check for codes and add more if necessary but hopefully this is the end. Part is coming in today so maybe I'll have conclusive news this afternoon.

My only doubt is that Acura did state that the solenoid being replaced was not OEM. Understandably because the Trans. shop said that they installed 2 shift solenoids so maybe that was one that was found. If true, the second solenoid may also be bad. Looking up the part number shown above, the diagram states it seems to require two solenoids. So maybe the other aftermarket solenoid is ok or maybe not.

Speaking of being ahead of the game, my wife thinks we should reimburse the trans. shop something since the problem is not with the internals but externals. The trans. shop replaced:

Master Rebuild Kit
2 Filters (thought we only had one)
Valve Body Kit
Torque Converter
Spring
Updated Case Housing
Low Gear
1-2 Drum
BH Synthetic Fluid (should I change this fluid)?????

 

^
Just curious, check out post #56 above, was that the reman. AV6 trans. you were considering with no solenoids on ebay?

 

No, it's not the same transmission. There is a company in Tampa that remanufactures transmission that I considered but not only do they not come with external parts like solenoids, they didn't have very good reviews like DOA. So if I have to change the transmission, I'll with the Honda unit, used. Or maybe sell the car which I hate to do.

 

UPDATE
Received call from dealer and that after replacement of the solenoid, the car is no longer showing any codes. That's the good news but there is bad news as well. After the tech drove the car, the car went into limp mode with no codes. Technician is puzzled. The service tech said that the only option would be to check out the wiring harnesses. If in fact it's the wiring harness, no problem but will cost a lot. If they can't locate the problem, then I probably can't consider doing the engine swap as, from what I read, we're using the same wiring harness. Am I correct about not being able to swap because issue with wiring harness?

 

Wow that is nuts that the shop which rebuilt the transmission refunded you completely rather than carrying through with the TCC solenoid replacement.

Did the amount refunded include the cost of parts & materials for the rebuild?

 

^
Did the trans shop go through the exercise of swapping the ECU's as part of their troubleshooting?
If so, what did they say the result was?

 

Yes, the trans. shop replaced the computer but no difference so the old one was replaced. And they also replaced two solenoids, one of which was replaced by dealer. No codes showing now.
And yes again, the trans. shop refunded the full amount paid that surprised me too as I didn't request anything at that point. I had the identical symptom before the rebuild as after the rebuild. I feel I should at least repay cost of parts but my car still isn't running.
At the moment, dealer is checking the harness and, I think, ECM.
I don't think wiring because car is fine when first starting. If wiring, I would think it's either always on or off.

 

Just throwing this 'out there.'
The reason I asked was in relation to your now present 'limp mode' situation.

You probably already relayed that data (switching out ECM's) to the dealer; however, it is important to keep in mind that they (trans shop) were disconnecting old ecm, reconnecting new (for testing), disconnecting new (when testing failed), reconnecting old ECM upon return to you when they washed their hands of it?

Perhaps a connecter is / was not securely fastened, they may have 'bent' an ECM pin or two with all of the action carried out during that ECM switching / testing process?

Also, I wonder, as part of the dealer diag process, if the tech will review / examine all of the engine wire harness / body grounding disconnections / connections involved when the trans was pulled / reinstalled by the trans shop for rebuild. I'm thinking yes, as now part of the $229 per hour diag charge.

Maybe some harness wire was broken / kinked / left unconnected that would explain this new limp mode factor?

 

No, didn't tell dealer about the trans. guy pulling computer as I want no stone unturned. But you have to remember that the same issues as before the rebuilt were the same after the rebuild. Maybe the solenoid as that's what cleared the codes. Now, since the solenoid was replaced, the car goes into limp mode; that's all I know. Looks like the final diagnosis won't be until Monday.

 

No update from dealer's service writer. Thinking about calling for an update Monday morning around 10am. If they don't know what's happening, I don't believe that the technicians don't have access to Acura's highly trained techs somewhere that they can call. Secondly, there must be a point where they, like the trans. shop, state that they don't know what the problem is as it seems ridiculous spending $229 an hour and getting nowhere. Maybe time to speak with Service Mgr. or Director? Any thoughts?

 

Cut your losses and sell the car.

 

Believe me, I thought about it but it's my wife's car and she loves it and it's truly a nice looking car, responsive handling & peppy. But we have talked about it and willing to pay up to a limit to repair it, maybe up to the trans. refund. But then, how do you sell a car that needs a repair even though it has a rebuilt transmission?

 

Simple: As is

 

Well, the car is in such great shape otherwise at 103K miles - always garaged and bought new, no collisions, etc. I wouldn't mind spending $5K to get it running, but not $5K for diagnostics and nothing more. Tough decision as I thought Acura would locate the problem rather quickly.

Does anyone have the diagnostic checks from the service manual for limp mode in the CL? I tried to get the download online on this site but was overwhelmed by all the add ons and more.

 

First diagnostics on car. After replacement of solenoid, no more codes.

This is the original diagnostics done on car. After solenoid was replaced, I'm told that there are no codes.

 

For a $21.99 credit card charge, on the link below, you can immediately download & have the readily available and always handy searchable PDF FSM for your CL:
🛠️Acura CL 01, 02, 03 Service Manual🛠️| AutoManualSource