Can a defective SAM module cause a battery to drain?
Don’t use a higher ampere rating fuse to try to fix this problem. Battery Drain – A defective SAM module can cause battery drain when a Mercedes-Benz is parked overnight or for several days. Other possibilities should be eliminated such as a defective audio gateway unit or a bad power seat motor.
What causes the SAM Control Module to corrode?
(Source: W220.ee) Corrosion – It is possible that the SAM control module may have gotten wet, corroded and eventually failed. Typically this is caused because repair is performed in near the SAM control unit. If the SAM modules are not closed and sealed, properly they will eventually corrode.
What happens if you lose a power seat module?
Door modules Loss of express-up feature due to loss of stored “pinch point” Engine control module (ECM, PCM, VCM) Loss of learned idle speed which can cause a stalling condition. Resetting of emission monitors can cause a smog inspection failure. Power seat modules Loss of “learned” seat and mirror positions
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.
Don’t use a higher ampere rating fuse to try to fix this problem. Battery Drain – A defective SAM module can cause battery drain when a Mercedes-Benz is parked overnight or for several days. Other possibilities should be eliminated such as a defective audio gateway unit or a bad power seat motor.
(Source: W220.ee) Corrosion – It is possible that the SAM control module may have gotten wet, corroded and eventually failed. Typically this is caused because repair is performed in near the SAM control unit. If the SAM modules are not closed and sealed, properly they will eventually corrode.
What to do if you find water in your SAM module?
If you notice any corrosion inside the SAM unit, you should investigate to determine why and how the water got inside your SAM module. You will need to remove your SAM unit check it for corrosion, loose contact and clean it carefully.
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.