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Technical Topics iDrive, Nav, Phone, Audio, Video, Cameras, Electronics "No Signal" on Display

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      07-02-2020, 01:22 PM   #1
joepimentel
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"No Signal" on Display

I went to start my car yesterday and saw that I was getting a "No Signal" error message on my M340's iDrive display. I've tried resetting it by holding down the volume button to no avail. The car drives and the driver and heads up displays work but not the iDrive one. I hoped it might resolve itself on its own but after driving for a while no luck.

Does anyone have a clue how I might be able to possibly resolve this myself? Can I "hard reset" the iDrive?

I made an appointment with my local dealer but they can't see me until Monday.
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      07-02-2020, 02:01 PM   #2
del82
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Quote:
Originally Posted by joepimentel View Post
I went to start my car yesterday and saw that I was getting a "No Signal" error message on my M340's iDrive display. I've tried resetting it by holding down the volume button to no avail. The car drives and the driver and heads up displays work but not the iDrive one. I hoped it might resolve itself on its own but after driving for a while no luck.

Does anyone have a clue how I might be able to possibly resolve this myself? Can I "hard reset" the iDrive?

I made an appointment with my local dealer but they can't see me until Monday.
I used to have this in my previous F20. The connection to the screen was dodgy. Needed a rewire by BMW. Leaving it for a day sometimes sorted it out but holding down the volume button for a minute + would always sort it for a bit.

It also used to go when I reversed and the rear camera came on.

Out of interest, have you done any coding? There was a report on babybmw that this happened after someone coded it. But that was ok idrive 5.
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      07-02-2020, 03:23 PM   #3
VipinLJ
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Did you try holding down the volume button for 90s or so? I remember you needed to hold it down for a long time to get it to reset.
But I’ve never heard of this happening to anyone. Let us know what the service centre says.
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      07-02-2020, 03:42 PM   #4
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There is no single HU in the G20, there is a HU-H unit under the dash connected to the CID, and another unit in the trunk -RAM unit.

Either of those two units is having a problem sending the video signal to the CID, the CID is having video problems or the cable between the CID and the dash unit is defective for the " NO SIGNAL" to be displayed. For sure, there is power in the CID.


Last edited by Encanto; 07-02-2020 at 03:54 PM..
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      07-08-2020, 07:16 AM   #5
joepimentel
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So it turns out that they needed to replace the head unit for the center iDrive. All seems well -- I'm also now on iDrive Version 03/2020.58.


6100730 Program & code control units
587 W948 (N/C)
1 65-12-5-A12-E95 HEAD UNIT HIGH 3:658310 (N/C)
FC: 6512580200
PART#: 65-12-5-A12-E95
COUNT: 1
CLAIM TYPE: 1W
AUTH CODE:
6100730 Program & code control units
587 W948 (N/C)
1 65-12-5-A12-E95 HEAD UNIT HIGH 3:658310 (N/C)
FC: 6512580200
PART#: 65-12-5-A12-E95
COUNT: 1
CLAIM TYPE: 1W
AUTH CODE:
4883 VERIFIED CLIENT'S CONCERN. I-DRIVE DISPLAYS NO SIGNAL.
CONNECTED VEHICLE TO BATTERY CHARGER 13.0V. PERFORMED VEHICLE TEST AND
INTERROGATED FAULTS. FOUND FAULT S0273 - NO COMMUNICATION POSSIBLE WITH
HEADUNIT PRESENT. CHECKED BOTH FUSES TO HEADUNIT, BOTH ARE GOOD.
REMOVED HEADUNIT AND CHECKED FOR VOLTAGE AT CONNECTOR TO HEADUNIT,
12.15V PRESENT. TRIED RESETTING CONTROL UNIT THRU ISTA. STILL NO
COMMUNICATION POSSIBLE. SUBMITTED TC CASE. CASE ID XXXXXX. AS PER TC
DECISION REMOVED AND REPLACED HEADUNIT. PERFORMED PROGRAMMING FOR
REPLACEMENT OF HEADUNIT. PROGRAMMING COMPLETED SUCCESSFULLY. TESTED AND
VERIFIED I-DRIVE IS NOW OPERATING AS DESIGNED. NO FURTHER REPAIRS
NECESSARY.
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      07-08-2020, 12:49 PM   #6
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Quote:
Originally Posted by joepimentel View Post
So it turns out that they needed to replace the head unit for the center iDrive. All seems well -- I'm also now on iDrive Version 03/2020.58.


6100730 Program & code control units
587 W948 (N/C)
1 65-12-5-A12-E95 HEAD UNIT HIGH 3:658310 (N/C)
FC: 6512580200
PART#: 65-12-5-A12-E95
COUNT: 1
CLAIM TYPE: 1W
AUTH CODE:
6100730 Program & code control units
587 W948 (N/C)
1 65-12-5-A12-E95 HEAD UNIT HIGH 3:658310 (N/C)
FC: 6512580200
PART#: 65-12-5-A12-E95
COUNT: 1
CLAIM TYPE: 1W
AUTH CODE:
4883 VERIFIED CLIENT'S CONCERN. I-DRIVE DISPLAYS NO SIGNAL.
CONNECTED VEHICLE TO BATTERY CHARGER 13.0V. PERFORMED VEHICLE TEST AND
INTERROGATED FAULTS. FOUND FAULT S0273 - NO COMMUNICATION POSSIBLE WITH
HEADUNIT PRESENT. CHECKED BOTH FUSES TO HEADUNIT, BOTH ARE GOOD.
REMOVED HEADUNIT AND CHECKED FOR VOLTAGE AT CONNECTOR TO HEADUNIT,
12.15V PRESENT. TRIED RESETTING CONTROL UNIT THRU ISTA. STILL NO
COMMUNICATION POSSIBLE. SUBMITTED TC CASE. CASE ID XXXXXX. AS PER TC
DECISION REMOVED AND REPLACED HEADUNIT. PERFORMED PROGRAMMING FOR
REPLACEMENT OF HEADUNIT. PROGRAMMING COMPLETED SUCCESSFULLY. TESTED AND
VERIFIED I-DRIVE IS NOW OPERATING AS DESIGNED. NO FURTHER REPAIRS
NECESSARY.
Did they give you the information of cost of repair if it wasn't under warranty?
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      07-08-2020, 01:33 PM   #7
joepimentel
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Quote:
Originally Posted by joselrl View Post
Did they give you the information of cost of repair if it wasn't under warranty?
I didn't ask since it was covered under warranty but I would imagine $3,000+. I looked up the head unit part number and its listed price is $2,816.
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      09-27-2022, 02:36 PM   #8
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Crap, just had this occur to mine today - '69 plate, about 25k miles. Rang dealer and said to try the volume button HU reset trick and leave it overnight to deep sleep and see if anything changes in the morning, otherwise call them again.

The real kicker is I am literally days(!) out of the manufacturer warranty period...

Other things I noted were it seemed KAFAS was not picking up road signs for aSLA, GPS seemingly not present as it was not showing road info on the instrument cluster, and parking sensors were inop also.

E: Seemingly rectified after the reset and some time with the car in "deep sleep" overnight...

Last edited by Talisman77; 09-28-2022 at 02:12 PM..
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