Command / Display does not recognize car is on , Command Issue,
#1
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Command / Display does not recognize car is on , Command Issue,
Hello Guys, just bought a 2008 S550 4 matic with 123K miles.
The Radio / music on it did not work, I replaced the amp with a used one from ebay, I now have radio / music. however
Seems like the car does NOT recognize that the car is on.. after manually turning it on / off after a while tells me to turn the car on or the command unit will turn off
-> Radio / infotainment / display (whatever you call it) does not turn on automatically nor does it turn off when I turn off the car....
-> I can't change the climate temp or any function from the screen
-> I can't change the volume from the steering wheel
->Can't change Transmission setting C / S / M
CODES read using LAUNCH CRP229 code reader
-> C02F / C037 - No CAN message was received from control unit COMMAND
->9034 - No CAN message was received from control unit N93(Central Gateway control unit) Failure of CAN message 'Air Conditioning'
Also, tried to delete the codes nothing, I removed the main battery underneath the rear seat for an hour or so, also the starter battery in the hood. nothing happened
THANK YOU IN ADVANCE, I APPRECIATE ANY INSIGHT
The Radio / music on it did not work, I replaced the amp with a used one from ebay, I now have radio / music. however
Seems like the car does NOT recognize that the car is on.. after manually turning it on / off after a while tells me to turn the car on or the command unit will turn off
-> Radio / infotainment / display (whatever you call it) does not turn on automatically nor does it turn off when I turn off the car....
-> I can't change the climate temp or any function from the screen
-> I can't change the volume from the steering wheel
->Can't change Transmission setting C / S / M
CODES read using LAUNCH CRP229 code reader
-> C02F / C037 - No CAN message was received from control unit COMMAND
->9034 - No CAN message was received from control unit N93(Central Gateway control unit) Failure of CAN message 'Air Conditioning'
Also, tried to delete the codes nothing, I removed the main battery underneath the rear seat for an hour or so, also the starter battery in the hood. nothing happened
THANK YOU IN ADVANCE, I APPRECIATE ANY INSIGHT
Last edited by cl500 probs; 12-16-2018 at 01:38 PM.
#4
fix for exact same issue is here :
https://mbworld.org/forums/s-class-w...ml#post7666464
i would offer you to check also CAN under the ventilation area under drivers seat in back , where people sitting in back put its dirty foot, there is CAN connections too, you need to check it too.
https://mbworld.org/forums/s-class-w...ml#post7666464
i would offer you to check also CAN under the ventilation area under drivers seat in back , where people sitting in back put its dirty foot, there is CAN connections too, you need to check it too.
Last edited by ktpsmf; 01-28-2019 at 03:35 PM.