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-   GM Drivetrain & Suspension (https://www.performancetrucks.net/forums/gm-drivetrain-suspension-22/)
-   -   4wd Encoder sensor? (https://www.performancetrucks.net/forums/gm-drivetrain-suspension-22/4wd-encoder-sensor-439678/)

trever1t Apr 23, 2009 09:12 AM
4wd Encoder sensor?
 
OK, I've been getter DTC codes

[PCM] P0103 - Mass Air Flow (MAF) Sensor Circuit High Frequency (Pending) (Old) (Current) (Immature)
[TCM] C0327 - Encoder Circuit Malfunction (History) (Immature)
[Brake] C0035 - LF Wheel Speed Circuit Malfunction (SES) (Old) (History) (Immature)
[Brake] C0040 - RF Wheel Speed Circuit Malfunction (SES) (Old) (History) (Immature)
[Unknown] B2527 - (History) (Immature)
[HUD] U1000 - Class 2 Communication Malfunction (History) (Immature)
[HVAC] B0229 - (History) (Current) (Immature)


Continuous Tests
Misfire: Complete
Fuel System: Complete
Comprehensive Component: Complete

and on occasion I get a "service 4wd" display and my switches wont function until I key off and on. I understand that in the past people had to buy a whole new encoder motor but I think I can just purchase the encoder sensor?
Can someone give me the rundown on this including part #'s and installation guidance? :eyes:

KySilverado Apr 23, 2009 09:35 AM
I've never seen "just sensor" being sold. I see the encoders on e-bay all the time. I've not done it but looks like a simple install. Unplug it, 4 bolts and swap them out.

dewmanshu Apr 23, 2009 09:47 AM
Originally Posted by KySilverado (Post 4187332)
I've never seen "just sensor" being sold. I see the encoders on e-bay all the time. I've not done it but looks like a simple install. Unplug it, 4 bolts and swap them out.
:nod: easy peasy! You may have to buy a wrench though. :P

trever1t Apr 23, 2009 09:49 AM
Pretend I'm clueless and link me to the appropriate part? :eyes:


I have a whole bunch of wrenches!

dewmanshu Apr 23, 2009 09:54 AM
http://shop.ebay.com/items/__chevy-t...86Q2ec0Q2em282

KySilverado Apr 23, 2009 09:58 AM
Originally Posted by trever1t (Post 4187345)
Pretend I'm clueless and link me to the appropriate part? :eyes:


I have a whole bunch of wrenches!
They are much more expensive for the 03 and up. Looks like just 2 bolts. No saying this is the exact one you need but read the directions in it and they could hook you up.

http://cgi.ebay.com/ebaymotors/03-04...Q5fAccessories

dlt76028 Apr 23, 2009 11:54 AM
Originally Posted by trever1t (Post 4187345)
Pretend I'm clueless and link me to the appropriate part? :eyes:


I have a whole bunch of wrenches!
pretend?:jest:

trever1t Apr 23, 2009 01:23 PM
:jest:

I read that the whole assy does not need to be replaced, just can't remember where i read it :P

KySilverado Apr 23, 2009 01:25 PM
Well we pretended you were clueless as to the assembly replacement and purchase.

Don't think we need to pretend you are clueless to tearing the assembly down and replacing some sensor in it and making it work. :jest:

KySilverado Apr 23, 2009 01:25 PM
double post :mad:


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