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PRND321 PROB What does this mean

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Shift indicator lights up but does not display which gear I am in.


Odometer/Gear Shifter (PRNDL) Display FIX - GMC/Chevy ...

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Odometer/Gear Shifter (PRNDL) Display FIX - GMC/Chevy ...grease, it does in fact help insulate electrical connections but imnot sure lithium would help. .... i have a 2000 Chevy Astro van the park indicator goes out when you start ... volts but now the battery light stays on and the transmission will not shift ...

GM Electronic Gear Indicator and Tripometer Odometer ...

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Aug 11, 2010 - Uploaded by zcomputerwiz
Didn't light up anymore. ... Symptoms: PRND321 and Tripometer/Odometer no longer light. ... 2002 which the odometer and shift indicator do not work no more. ... But before taking the dash out I would like to know how to remove those .... Instrument cluster gear select blank screen solder fix Chevrolet GM ...

Repair the odometer/PRND321 LCD display on a '99-'06 ...

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Feb 09, 2016 | 1998 Chevrolet Blazer

1 Answer

My dash in my 2006 canyon isn't working, can't find the problem


Did you have the vehicle hooked to a factory scan tool to see if it will talk to the scan tool . Your instrument cluster is electronic an has a microprocessor inside , it is connected on the serial data communication network or bus as it is called . It's hard to find a problem when you don't know how it works >
All the gauges in the instrument cluster receive there info from the ECM - BCM engine an body computers on the data bus .
The instrument panel cluster (IPC) displays the vehicle speed based on the information from the engine control module (ECM). The IPC receives a serial data message from the BCM indicating the vehicle speed.
PRND321 Display
The instrument panel cluster (IPC) displays the selected gear position as determined by the engine control module (ECM). The IPC receives a serial data message from the ECM indicating the gear position. The PRND321 display blanks if:
?€¢
The ECM detects a malfunction in the transmission range switch circuit.


?€¢
The IPC detects a loss of serial data communications with the BCM.


?€¢
The BCM detects a loss of serial data communications with the ECM.


This you should take to a ASE qualified repair facility or the dealer ! It is possible to short out the data bus an bring down the system , meaning nothing on the vehicle will work !

Sep 24, 2015 | Cars & Trucks

1 Answer

MY 1997 GMC SAVANA 1500 IS SLUGISH GOING INTO SECOND GEAR


the park neutral switch on the side of the transmission may be bad they go out a lot

Mar 14, 2013 | 1997 GMC Savana

1 Answer

1999 chevy 1500 trans wont shift up


did you remove the shift cable off the transmission, if you did that cable it not is the right spot. hope you did not touch the neurtral safety switch

Dec 07, 2012 | Cars & Trucks

1 Answer

Shift indicator not moving


Could be the cable that attaches the indicator to the shift rod if equipped.

Aug 20, 2012 | Cars & Trucks

1 Answer

2000 KIA Sportage engine light on. Code po705


P0705 Transaxle range switch circuit malfunction (PRND321)

Aug 22, 2011 | 2000 Kia Sportage

1 Answer

My four wheel drive shifter is stuck in (n) durango sport 2000


Shut the vehicle off, Put gear selector ( PRND321) into neutral, roll the vehicle ( Move) while moving try to put the 4x4 selector into desired position, If problem still persists feel free to e-mail me directly at car_crazy_1203@hotmail.com

May 20, 2011 | 2000 Dodge Durango

1 Answer

Gear select problem


The PRND321 switch is mounted on the transaxle assembly. It is a multi-signal switch sending information relative to gear selector position to the BCM and ECM. The PRND321 switch also contains the neutral safety {start} switch and back-up light switch. It also provides park input to the automatic door lock module {if equipped}. Your problem is not an internal transmission problem. The service manual says to check for open circuits or shorted ground circuits through a diagnosis chart that is in this manual. One part of it, at the end says to replace the PRND321 switch and the other says to replace the BCM or repair the open circuit or wire, depending on what code is read through the BCM. Having worked at a Buick dealership, I have sold a few of the switches for various problems. This switch is under the hood and on top of the transmission in-which it is exposed to heat - cold and water. My suggestion is to reset and clear the codes on the diagnostic center and see if they come back. Check connectors on the switch and if codes come back replace switch since it would be less expensive than a BCM. The switch is a wear item as it is moved every time you move the gear selector.

Mar 30, 2009 | 1989 Cadillac Seville

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