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I HAVE A 05 CHEVY 1500 IT HAS A CODE CO327 ENCODER OUT OF RANGE FOUR WHEELDRIVE WILL SHOW 4HIGH SOMETIMES BUT BE IN 2WHEELDRIVE

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 1994 gmc 4x4 non engaging high range four wheel

I would check to see if it is the Axle Actuator.  On that model truck there is an upgrade available that is electrical upgrade.  Instead of using a vacuum to engage the axle, it uses a small electric motor.  The cost for this part isn't much more than the older vacuum model.  Usually the electrical one runs around $100.  This is a relatively easy change that most any person can do with just about any experience.

Posted on Feb 03, 2009

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awcforever
  • 359 Answers

SOURCE: 4 wheel drive doesnt engage, service 4wd light

That is the code for the transfer case control module. It is really expensive to replace, maybe $500 or more. Unfortunately, everytime I have had the code pop up, you will have to have the trans case drained, flushed, and the control module will have to be changed. I am truly sorry for the bad news, but I really hope all works out:(

Posted on Mar 06, 2009

mechanicm639
  • 253 Answers

SOURCE: chevy silverado 1500 4 wheeldrive 2003

Raise the truck. Remove the wheel, brake caliper, caliper mounting and the dust cover in the center of the hub. Remove the ABS wiring, remove the large nut from the center of the hub. On the back side of the hub are 3 bolts, remove those and the hub should come off. Good Luck

Posted on May 07, 2009

  • 1 Answer

SOURCE: 1994 gmc 4x4 non engaging high range four wheel

ita a fuse i just fixed min i had same problem

Posted on May 17, 2009

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1 Answer

Transfcase motor not shifting


Have you had it check for DTC's - diagnostic trouble codes . frustrating because you don't know what your doing. Rookies ! I'd tell you have to test but you don't have tool or knowledge .
What transfer case does your tahoe have ?
Do you know what DTC'S are ? Your vehicle 4X4 can set a bunch .

DTC B0770
DTC B0775
DTC B0780
DTC B0785
DTC B0790
DTC B2725
DTC C0300
DTC C0305
DTC C0306
DTC C0321
DTC C0326
DTC C0327
DTC C0359
DTC C0374
DTC C0378
DTC C0379
DTC C0550
DTC C0558

DTC B0775 Four Wheel Drive High Range (4HI) Indicator Circuit Malfunction

DTC B0780 Four Wheel Drive Low Range (4LO) Indicator Circuit Malfunction
DTC B0785 Two Wheel Drive High Range (2HI) Indicator Circuit Malfunction
DTC B0790 Transfer Case Neutral Indicator Circuit Malfunction

DTC B2725 ATC Mode Switch Circuit Malfunction

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Just show a few DTC'S and for everyone of these DTC'S is a diagnostic flow chart . Do you know what that is ? It's fustrating and hard to fix something when you don't have a clue as to what your doing . Do you know how to do basic automotive electrical testing ?

This would sound about what the problem could be , but with out testing id be guessing just like you .

DTC C0306 05: Motor A or B Circuit Short to Battery or Open
DTC C0306 02: Motor A or B Circuit Short to Ground
DTC C0321 01: Transfer Case Lock Short to Battery
DTC C0321 06: Transfer Case Lock Short to Ground or Open

Do yourself a favor and save some aggravation an take it to a qualified repair shop . You do know a computer controls the 4X4 system ? transfer case shift control module .

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Code 181 fuel temp range on 2000 chevy silverado 1500 4.3 l v6


181 is not a valid code, it should look like this "P" and four numbers 0-9

Jun 24, 2016 | 2000 Chevrolet Chevrolet Silverado 1500...

1 Answer

Fault code co327 what to do


DTC C0327 Encoder Circuit Malfunction - you have a electrical circuit problem ! I suggest you take this to a ASE certified repair facility . There is a very long diagnostic process to test this !
Circuit Description
The transfer case encoder is a switch that converts a shaft position, representing a mode or range position, into electrical signals for use by the transfer case shift control module. The encoder houses 4 Hall effect sensors that are used for channels P, A, B, and C. These sensors provide a path to ground, when a magnet, (part of the Motor Encoder), passes over them.
The transfer case shift control module supplies an 8 V reference and a ground circuit for the encoder hall effect sensors to function.
The transfer case shift control module supplies current limited 5 V on all the channels, thus as these channels are pulled to ground, the module can interpret the location of the transfer case shift position.
This DTC detects an open, short to ground, or a short to voltage (12 V) in the Encoder Feed Circuit, an open in the Signal Ground Circuit, an open, short to ground, or short to voltage (12 V) in the Encoder channel circuits.

Oct 02, 2014 | 2000 Chevrolet Silverado 2500

2 Answers

Trouble codes C0305 C0327 U0100 U0101 U0140


co327 is a code for your transfer case encoder motor and the U codes are communication codes. Most likely cause is the encoder motor needs replacement

Feb 11, 2012 | 2007 GMC Yukon

1 Answer

1999 chevy silverado,2 wheeldrive,5.3 liter,transmission repair,how to rebuild transmission


there are a lot of books on line for about 25.00 and overhaul mkits for 100.00 to 200.00 dollars

Aug 24, 2011 | 1999 Chevrolet Silverado 1500

2 Answers

My 1999 chevy silverado 1500 four wheel drive won't engage. The truck is in 2wd now. When I push 4wd hi or low, I can hear the actuator try to engage the four wheel drive. The four hi or low button will...


You probably have a bad encoder motor.It is located on the side of the transfer case on the drivers side.It is black.The other problem they had with these was the switch but you have already replaced this so your next thing is the encoder motor.Hope this helps.Good luck.

Dec 28, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

Chevy silverado 1500 4 wheeldrive 2003


Raise the truck. Remove the wheel, brake caliper, caliper mounting and the dust cover in the center of the hub. Remove the ABS wiring, remove the large nut from the center of the hub. On the back side of the hub are 3 bolts, remove those and the hub should come off. Good Luck

May 07, 2009 | 2003 Chevrolet Silverado 1500

1 Answer

4 wheel drive doesnt engage, service 4wd light comes on code co327 changed encoder motor and sensor tried used module had it reprogramed made it so the lights dont work on the switch. HELP


That is the code for the transfer case control module. It is really expensive to replace, maybe $500 or more. Unfortunately, everytime I have had the code pop up, you will have to have the trans case drained, flushed, and the control module will have to be changed. I am truly sorry for the bad news, but I really hope all works out:(

Mar 06, 2009 | 1994 Chevrolet S-10 Blazer

1 Answer

05 mitsubishi l200 warrior changing up from 1st gear to 2nd allways snags but does not crunch


I have just got a mitsibushi L200 with no hand book .
Is there anyone who knows how to get it into two wheel drive,
I have tried but get the flashing 4 wheel drive simble still on the display and the sterring is heavy like its still in four wheeldrive.
HELP

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