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Old 04-30-2017, 11:47 PM   #171
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Default Re: Nag1 TECH ALERT

Quote:
Originally Posted by fsneeringer View Post
...

- P2203 Speed sensor '3' is faulty (this is what I had before.)
- P2602 The voltage supply of the valves is faulty
- P1926 CAN communication is faulty
- 2225-1 Fault of control module A4 (ETC [EGS] control module) The voltage supply of the speed sensors is faulty
- 2224-1 Same as above

...

Thanks,
Frank
A problem with the regulated power supply voltage(s) could result in various codes, but they might all trace back to the voltage not being correct.

Are there any aftermarket electronics tagged on to the Sprinter electrics?

Sorry I can't offer more.
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Old 05-01-2017, 02:35 AM   #172
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Default Re: Nag1 TECH ALERT

It might be a good reason to call Silver Star transmissions in OK. They do answer questions and give advice.
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Old 05-16-2017, 10:26 PM   #173
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Default Re: Nag1 TECH ALERT

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Originally Posted by kurt View Post
Good question:Upscale (highly recommended on many forums repeatedly) price for transmission service was 1/2 from Ron Tonkin quote,big mistake on my part """"very sorry""""
I can't tell if you mean Upscale was twice Tonkin's or vice versa.
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Old 05-18-2017, 09:00 PM   #174
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Default Re: Nag1 TECH ALERT

Quote:
Originally Posted by Aqua Puttana View Post
A problem with the regulated power supply voltage(s) could result in various codes, but they might all trace back to the voltage not being correct.

Are there any aftermarket electronics tagged on to the Sprinter electrics?

Sorry I can't offer more.
I don't know of any aftermarket electronics.

As of a few days ago, I have replaced the electrohydraulic unit, filter, and filled with new fluid and have had no problems at all since the change out - although I've only driven about 50-60 miles. The problem was manifesting itself quite quickly though. I will update if I experience symptoms again.

Thanks again to everyone for all of your help.

Frank
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Old 11-07-2017, 01:45 PM   #175
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Default Re: Nag1 TECH ALERT

I hope this isn't a dumb question but should I clean the transmission conductor plate, solenoids, sensors, etc. with a certain product or with brake parts cleaner/carb cleaner/mass air flow cleaner? And how do I go about cleaning? Thanks so much
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Old 11-07-2017, 03:26 PM   #176
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Default Re: Nag1 TECH ALERT

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Originally Posted by Yendormiller View Post
I hope this isn't a dumb question but should I clean the transmission conductor plate, solenoids, sensors, etc. with a certain product or with brake parts cleaner/carb cleaner/mass air flow cleaner?
Other posts have indicated that some members have used brake cleaner and some have used carb cleaner. Personally I wouldn't choose/go to mass air flow cleaner, but maybe it would be fine. It must be ok for plastic and electrical parts.

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Originally Posted by Yendormiller View Post
And how do I go about cleaning? ...
I my opinion, that may be the dumb question. (No offense intended.)

Unless you have symptoms my recommendation would be to leave things alone. There are possible pitfalls to messing with the conductor plate and cleaning. Even Doktor A backed away from his periodic cleaning recommendation.

If you have no symptoms I would do a TC/pan drain, filter, and refill with proper transmission fluid.

vic
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Old 11-08-2017, 05:02 AM   #177
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Default Re: Nag1 TECH ALERT

Quote:
Originally Posted by Aqua Puttana View Post
Unless you have symptoms my recommendation would be to leave things alone. There are possible pitfalls to messing with the conductor plate and cleaning. Even Doktor A backed away from his periodic cleaning recommendation.

If you have no symptoms I would do a TC/pan drain, filter, and refill with proper transmission fluid.
Yes! Save the cleaning of the speed sensors and electrical board for serious symptoms only.

Doktor A
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Old 11-26-2017, 04:53 PM   #178
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Default Re: Nag1 TECH ALERT

Help Doctor help! My 2003 sits a lot. I took it out for a warm up drive of about 200 miles. I had a slight rumble as I stopped. When I pulled out it did not downshift. I was 60 miles from, home and on limited access road. It came up to speed slowly as I did not want to screw anything up. It would not shift with the paddle. I got home. Turned off the motor. Restated and everything worked. Drove a little and did it again. Did the same drill, off and on, then was okay again. I bought used and have never had the transmission serviced. Could I expect that service is the issue?
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Old 11-27-2017, 03:34 AM   #179
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Default Re: Nag1 TECH ALERT

Have someone with a high end diagnostic tool communicate with the TCM. There will be a fault code(s) that was generated by your repeated recent transmission LHM.

If the code(s) involve issues related to low fluid levels, service the transmission and replace the harness socket connector which may be seeping fluid during your prolonged periods of unuse.

Doktor A
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Old 01-09-2018, 02:28 PM   #180
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Default Re: Nag1 TECH ALERT

What are considered "serious symptoms"? Maybe a better question is, what are the symptoms that this tech alert will address?

Would a compromised speed sensor cause a hard shift? Hard downshift? Hard upshift? Specific to one gear?

Is there a shop in Seattle that is familiar with this procedure?
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