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Displaying PCM not HDMI1. What is the problem?

Just started displaying PCM today.

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Technika lcd37-207

reser by using MENU int TV, and restore to the factory default and try again.
See if your Hook up is o.k see the diagram attached.75b537c8-56cb-4ec4-a095-22025909579f.jpg
God bless you

Jul 10, 2013 | Televison & Video

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2003 Chevy Avalanche won't start (incorrect gear indicator)

PRNDL Display
The instrument panel cluster (IPC) displays the selected gear position as determined by the powertrain control module (PCM). The IPC receives a class 2 message from the PCM indicating the gear position. The PRNDL display blanks if:
• The PCM detects a malfunction in the transmission range switch circuit.
• The IPC receives a class 2 message indicating the park position and the column park switch indicates a position other than park, open input.
• The IPC detects a loss of class 2 communications with the PCM.

Could be the transmission range sensor . Testing would need to be done , hooking up a scan tool ! Doing electrical testing etc...

Jul 06, 2017 | 2003 Chevrolet Avalanche

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My 2000 Cadillac Deville DHS is not starting.

The transmission range switch could be bad , but ,without testing that is a guess . That's why the AAA guy had you try it in neutral an park . Do you know what a park netural safety switch is . The trans range switch is an input to the PCM/ECM engine computer ! The PCM/ECM shares this info to the instrument cluster over the class 2 serial data communication network , do you know about networks for the computer system on your vehicle. What happens when you turn the key to start your vehicle ?
Starting System Circuit Description
Moving the ignition switch to the CRANK position sends a 12 V signal to the PCM ignition crank request input. The PCM verifies that it has received a valid theft password from the vehicle's theft deterrent module and that the transmission is in the PARK or NEUTRAL position. The PCM then grounds the control circuit of the START 1 relay. When the START 1 relay is energized it completes the B+ voltage circuit to the starter solenoid S terminal.
With the line under the PRNDL not registering/displaying it sounds like a range sensor switch problem . This could be very challenging even to a professional Technician . At the dealer i would hook up the Tech 2 scan tool an see the range switch data at the PCM . Easy as pie . Someone without that tool have to do testing with a volt meter , find the connector at the transmission or PCM ,which ever is easiest to get to .Also checking DTC'S - diagnostic trouble codes at all modules on the vehicle . There are videos on youtube on testing range sensor switch , park neutral safety switch .

May 06, 2017 | 2001 Cadillac DeVille

1 Answer


A p0057 code is related to the heater circuit voltage for the bank 2 sensor 2 Oxygen sensor. The PCM (computer) controls a heating element inside the O2 sensor that helps the sensor reach a high temp in order for the O2 to start working faster. It seems this circuit is not working, therefor the PCM alerts us by displaying a trouble code. In most cases, replacing the O2 repairs this code.

May 04, 2010 | 2005 Jeep Wrangler

1 Answer

I have the code pcm 48 showing up on the display and dont no what it means or how to fix help please

PCM 48 means pulse code modulation at 48kHz. Your receiver is decoding digital information and displaying what format it is, and it's frequency. That is normal.

Dec 25, 2009 | Sony STR-DG810

1 Answer

Digital dash displays not working or displaying correctly

Sorry but unless you have very good working knowledge of small intergrated circuits then you will not fix it....There are comon issues with them. You can remove it and have a dealer send it out for you for repair but you cant drive the vehicle. If you do the milage will change in the pcm but will not match the odometer so the pcm will lock the vehicle when you put it back in. Your best bet is to have the dealer send it out or buy a new one with the milage programed into it.

Sep 20, 2009 | 2000 Buick LeSabre

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Display while playing movies

Hi, no, this is not the normal display. It should indicate the digital sound format like DD or DTS, etc. If it is displaying PCM, this is probably due to the audio settings on your DVD player. Please provide your DVD make and model, and I will look to find the solution.

Nov 24, 2008 | Harman Multimedia AVR-354 Receiver

1 Answer

Heater won't start error code 11

I had the same problem and the heater started working after I cleaned both filters, the bigger one that can easily be taken off and the smaller one that needs to be screwed off.

Jun 15, 2008 | Rinnai Heating & Cooling

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