E4OD problem
Thread Starter
|
Mountain Pass
Joined: Nov 2014
Posts: 237
Likes: 11
I HAVE disconnected the battery while I was chasing a cargo light that stayed on with doors shut, but I have driven it since then and this code appears to have come from CM, so maybe I just need to disregard and it'll get forgot after 40 starts ?
Lead Driver
Joined: Oct 2016
Posts: 6,185
Likes: 633
From: Houston/Sugar Land
You can hook up your test device i.e. jumper or reader. Start your test and disconnect the connector when the diagnostics start. This clears your codes. Your PCM is located near the bottom of the fire wall on the driver side. Sandy
Thread Starter
|
Mountain Pass
Joined: Nov 2014
Posts: 237
Likes: 11
Hey Sandy, thanks for the reminder ! But I kinda like the term "get forgot" ?
And SubFord, thanks for the location - looks like the same place as the one on my 1988 that replacement solved a lot of issues.
And SubFord, thanks for the location - looks like the same place as the one on my 1988 that replacement solved a lot of issues.
Thread Starter
|
Mountain Pass
Joined: Nov 2014
Posts: 237
Likes: 11
OK Sandy, I started the test, and unhooked the reader. Then re-ran the tests and the 512 is gone. Back to the E4OD, Sunday, I'll pull the MLPS and check it, then change the fluid.
Buying a new-to-me truck sure kills a lot of time and money.
Buying a new-to-me truck sure kills a lot of time and money.
Thread Starter
|
Mountain Pass
Joined: Nov 2014
Posts: 237
Likes: 11
Latest update:
Since the E4OD fluid is up on the hash marks and looks light red color and doesn't smell burnt, I opted to forgo changing it for a few.
Instead, I went under there and took a look at the MLPS as I was referenced. Removing it from the mount I could see it wasn't centered on the NEUTRAL mark, just a little off.
I tested it on the bench and found that, while the resistances measured acceptable, when I set the neutral mark the way it was on the trans, it was fragile to the point that the resistance would change markedly.
So I opted to reinstall the MLPS, centered on the mark, then test drove it today.
Same conditions as last week when I had so many false neutrals, and today it performed admirably!
Hope I found the problem, with your help !
Since the E4OD fluid is up on the hash marks and looks light red color and doesn't smell burnt, I opted to forgo changing it for a few.
Instead, I went under there and took a look at the MLPS as I was referenced. Removing it from the mount I could see it wasn't centered on the NEUTRAL mark, just a little off.
I tested it on the bench and found that, while the resistances measured acceptable, when I set the neutral mark the way it was on the trans, it was fragile to the point that the resistance would change markedly.
So I opted to reinstall the MLPS, centered on the mark, then test drove it today.
Same conditions as last week when I had so many false neutrals, and today it performed admirably!
Hope I found the problem, with your help !
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
3 Best / 3 Worst Parts of Modern Ford Ownership
Brett Foote
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches
Pouria Savadkouei
Every 2026 Ford Engine Explained
Brett Foote
10 Ugly Ford Trucks That We Still Kinda Love
Joe Kucinski
10 Things Every Truck Owner NEEDS (2026 Edition)
Michael S. Palmer
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Verdad Gallardo
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer
Joe Kucinski
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)
Brett Foote
Top 10 Ford Truck Tragedies
Joe Kucinski
Sandy
Thread
Thread Starter
Forum
Replies
Last Post
danlee
Clutch, Transmission, Differential, Axle & Transfer Case
3
Oct 21, 2009 06:45 AM
reets001
Clutch, Transmission, Differential, Axle & Transfer Case
5
Jan 24, 2006 03:49 PM