May need expert opinion - Volkswagen Jetta Forum
JettaForums.com is the premier Volkswagen Jetta Forum on the internet. Registered Users do not see the above ads.
Reply
 
LinkBack Thread Tools
Old 05-07-2017, 09:28 AM   #1
Junior Member
 
Join Date: Apr 2015
Posts: 4
Default May need expert opinion

How to make a short story long: 2003 Jetta 2.0 GLS

2-3 years ago, transmission (Auto) began to act funky, wouldn't shift outta first. Would disconnect battery (at first) and usually this would "reset" what had to be reset...and then would work...ok. (for that trip) Became more and more resistant to the point of "having to do something". (yeah, procrastinator maximus)

Went to junk yard and pulled computer brain outta another Jetta. Put it in mine...voila! Works fine.
I asked someone about the "writing" in marker on the unit. they said "that's just the release of that software"...but since it(trans) worked fine paid little attention that the replacement unit was "older". Trans still works fine.

But, here's the question. Sometime after, discovered previously working A/C now wouldn't engage compressor. Never thought it could be related. Checked all fuses (which once were solution to that problem when A/C didn't work)...all good.
But, I have read that the pressure switch for A/C can be one of two types, depending upon wires/wiring. One is "pulse width modulation" (which I believe I have)...and the other is...not. My question is this: If the computer I pulled is "older" release...(which the letter designation indicated).is there a possibility my "newer" PWM (pulse width modulation) signal being sent/received at pressure switch is "not communicating" with older computer...would this be reason for compressor not engaging?
TIA for the mind that has waded through this post, and considers a reply.
Israel is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiTweet this Post!
Reply With Quote
Sponsored Links
Advertisement
 
Reply


Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Powered by vBadvanced CMPS v3.2.2

All times are GMT -4. The time now is 06:32 PM.



Powered by vBulletin® Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Content Relevant URLs by vBSEO 3.5.2
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.