What does no communication with SAM module mean?

If you get an error message that no communication with the SAM module exists, it means that the SAM is defective or it is not getting power. Used Mercedes SAM units are affordable and one option if you have an older MB. We have set up custom eBay searches for you to check prices on Mercedes-Benz SAM control units.

How to reprogram a MCU using ST-LINK?

I used ST-Link v2 and ST-Link Utility. In setting, I set “Connect under reset” and SWD interface (I’m not sure about frequency). Then I press the reset button on my board and clicked “Target” -> “Erase chip” and just after clicking I released the button – It erased the chip so I can now reprogram my MCU.

When to replace a Mercedes signal acquisition module?

Replacing a Mercedes SAM unit can be expensive. You should eliminate any other possible issues and even get a second opinion before you replace the SAM unit. If you get an error message that no communication with the SAM module exists, it means that the SAM is defective or it is not getting power.

What to do if the OBD II scanner doesn’t communicate with the vehicle?

What to do if the OBD II scanner doesn’t communicate with the vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly.

What to do when your TV says no signal?

First, hit Win + P on your keyboard until you select either the Extend, Duplicate or Second Screen Only options. One of these should make the picture appear. If that doesn’t work and your computer has an HDMI port both on its GPU (graphics card) and motherboard, then you need to make sure you’re connected to the right port.

What are the symptoms of a failing body control module?

5 Common Symptoms of a Failing Body Control Module (BCM) You are here: The Body Control Module (BCM) could be considered a central organizational module for your vehicle. It streamlines the manufacturing and troubleshooting aspects of electronic modules by housing the modules into one, central unit instead of each function having its own device.

Why does my cable box Say No signal?

Check the Cable Box/Set-Top Box Your set-top box might be the reason for a no-signal issue in some cases. Whether you use an SD or HD box, the provider might release a new firmware and update it in the background. This means new satellite settings have been uploaded, but the device has not fully integrated with the adjustments.

What does no communication with SAM module mean?