BMW P1649: Internal Control Module Random Access Memory (RAM) Writing Error
Is your scanner showing BMW P1649?
No worries. We'll show you what it means and how to deal with it.
BMW P1649: Internal Control Module Random Access Memory (RAM) Writing Error
OVERVIEWWhat Does The BMW P1649 Code Mean?
Key on, and the DME detected an internal memory fault. This code will set if KAPWR to the DME is interrupted (at the initial key on).
What Are The Potential Causes Of The BMW P1649 Code?
Below are some potential causes of this DTC:
- Battery terminal corrosion, or loose battery connection
- Connection to the DME interrupted, or the circuit has been opened
- Reprogramming error has occurred
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> BMW Battery Terminal
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
BMW P1649, DTCDECODE.
