Chevrolet P1649: Immobilizer Security Code Not Programmed
Is your scanner showing Chevrolet P1649?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P1649: Immobilizer Security Code Not Programmed
OVERVIEWWhat Does The Chevrolet P1649 Code Mean?
When learning the security code, as well as the challenge and response sequence, the engine control module (ECM) is placed in learn mode. Once the security code and challenge/response are learned, learn mode will be exited when the engine is successfully started.
What Are The Symptoms Of The Chevrolet P1649 Code?
The security indicator in the instrument cluster will illuminate.
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
>>> GM Genuine Parts 12633238 Engine Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Chevrolet P1649, DTCDECODE.
