C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Potential SAM issues?

Old Mar 22, 2023 | 10:10 PM
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C180 - Compressor (W203)
Potential SAM issues?

Hello MBWorld

I own a 203.746 - C 180 Kompressor, i've been struggling with issues such as Windows wipers not working, and SRS light being on and other electronical issues, below i'll post the most up to date ones

OCP
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B1080 1/3
State: Historic
Fault In Communication With Component B38(Rain Sensor) Or Open Circuit In Data Cable To This Component Or Fault In Communication With Component B38/2(Rain/light Sensor) Or Open Circuit In Data Cable To This Component.
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B10A0 2/3
State: Historic
The Data Cable To Component A26/4(Left infrared(IR) Interior Protection Transmitter And Receiver Unit) Or A26/14(interior Motion Protection Transmitter And Receiver Unit) Has Open Circuit.
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B10D7 3/3
State: Historic
Fault In CAN Communication With Control Unit AAC.If The Fault Code B10D7 Appears Without Any Complaints Or Problems, Disregard And Delete It From The Memory.
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SRS

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B106C 1/3
State: Current and Historic
Fault In Communication With Component B48(Front Passenger Seat Occupied And Child Seat Recognition) Or There Is A Cable Fault.
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B106D 2/3
State: Current and Historic
The Component Or The Signal Line To The Component B48(Front Passenger Seat Occupied And Child Seat Recognition) Has Short Circuit To Ground.
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B1002 3/3
State: Current and Historic
Control Module N2/7(restraint Systems Control Module)(Circuit 15R): No Voltage When Voltage Present At Circuit 15
SAM_F
​​​​​​​B1021 1/6
State: Historic
Component N10/1kI(Fanfare Horns Relay) Has Short Circuit.
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B1019 2/6
State: Historic
Component N10/1kQ(Wipe ON/OFF Relay) Has Short Circuit.
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B1029 3/6
State: Historic
Control Module AAC Is Not Sending Any data. If Fault Code Occurs With No Complaint Reported And No Malfunctions, Erase Fault Memory And Perform A Function Check.
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B1003 4/6
State: Current and Historic
Component M13(Heating Water Circulation Pump) Or The Line To The Component Has A Short Circuit To Ground Or Open circuit. Component M13(Heating Water Circulation Pump) Is Not installed. Ignore Fault Code If It Nevertheless Occurs.
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B1014 5/6
State: Historic
Component E1e3(Left Standing And Parking Lamp) Is Faulty Or The Line To The Component Has A Short Circuit Or Open Circuit.
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B1013 6/6
State: Historic
Component E2e3(Right Standing And Parking Lamp) Is Faulty Or The Line To The Component Has A Short Circuit Or Open Circuit.
What i've done is tried a completely new wiper motor, triple checked the fuses and replaced the relays.. still unable to get the wiper going at all, i'm unable to get any signal sent to the relay and there is no voltage at all, so we are suspecting the stalk at this point but the sam_f is registering the speed changes from the stalk when viewing live data and all the other functions do work as well, such's as turn signals and washer fluid etc.

But coupled with all the other error's, and short circuits could this mean that the sam module itself is failing?

I've inspected it visually and can't find any obvious signs of damage, i attached an image below.

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