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G05 2022 Mgu no communication
29-07-2024, 20:02 PM,
Post: #1
G05 2022 Mgu no communication
Hi car from us to europe then to bodyshop. 3 weeks in body shop, and now after minor repair no picture on cid no communication with mgu ecu. 
Customer telling that entertainment system working fine after they unload vehicle.
Car had multiple starting with buster because flat battery and not connected aux battery
Body Shop owner as always in this type situations says "we dont touch anything check fuses not my problem" 
Power supply ok
Ground ok 
can i confirm tomorrow but i think it will be ok 
before i disassembly mgu is anything that i missed ?
is possible to bench test mgu or it must receive digital signal like kombi?
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30-07-2024, 05:49 AM,
Post: #2
RE: G05 2022 Mgu no communication
you should find someone who can diagnose whole system with i5тд
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30-07-2024, 06:29 AM,
Post: #3
RE: G05 2022 Mgu no communication
(29-07-2024, 20:02 PM)kklobo Wrote:  Hi car from us to europe then to bodyshop. 3 weeks in body shop, and now after minor repair no picture on cid no communication with mgu ecu. 
Customer telling that entertainment system working fine after they unload vehicle.
Car had multiple starting with buster because flat battery and not connected aux battery
Body Shop owner as always in this type situations says "we dont touch anything check fuses not my problem" 
Power supply ok
Ground ok 
can i confirm tomorrow but i think it will be ok 
before i disassembly mgu is anything that i missed ?
is possible to bench test mgu or it must receive digital signal like kombi?

Mgu dead, not first time. Replace with another one.

COMBOX convert BN2010->BN2000
MGU ратсн
EVO repair, f5с ратсн
KAFAS4/MRR/RAM virgin
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30-07-2024, 06:50 AM,
Post: #4
RE: G05 2022 Mgu no communication
It cane be repaired depending also about fault’s in motherbord

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-Hidden Feature coding
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30-07-2024, 09:50 AM,
Post: #5
RE: G05 2022 Mgu no communication
I have i5тд that's said check voltage check ground check communication replace Hu.
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30-07-2024, 16:05 PM,
Post: #6
RE: G05 2022 Mgu no communication
that's a very common issue with MGUs, they are too fragile when it comes to voltage inconsistency, your unit still can be repaired.

Lifetime Connected Package Professional activation.
REMOTE MGU(ID7, ID8) ратснing/Virginizing by ENET.
NCD2 - Secure coding.
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Feature Installer codes.
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Physical head unit Repairs.
CarPlay activations(EVO,ENAV2,MGU).
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02-08-2024, 20:22 PM,
Post: #7
RE: G05 2022 Mgu no communication
Costumer don't want to repair, he buy used Hu and seller code it remotely case closed thanks for help
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03-08-2024, 10:11 AM,
Post: #8
RE: G05 2022 Mgu no communication
(30-07-2024, 06:50 AM)EngineerX Wrote:  It cane be repaired depending also about fault’s in motherbord

How? I have couple of bricked g05 units. And I'm ready to pay for the info

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Tuning - DPF Off - EGR Off - or any etc

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03-09-2024, 18:01 PM,
Post: #9
RE: G05 2022 Mgu no communication
I instal used mgu seller do remote coding everything works fine case closed.
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27-11-2025, 13:56 PM,
Post: #10
RE: G05 2022 Mgu no communication
Hello, have you found a solution? My speedometer control unit disappeared after coding.

іLёаи offline LїСёи5ё5 (PM)
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