Cadillac P1681: Powertrain Control Module Internal Malfunction
Is your scanner showing Cadillac P1681?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1681: Powertrain Control Module Internal Malfunction
OVERVIEWWhat Does The Cadillac P1681 Code Mean?
Key on, and the PCM detected an internal malfunction had occurred.
How Can You Fix The Cadillac P1681 Code?
Clear the codes and then recheck for this trouble code. If the same code resets, the PCM is damaged and must be replaced (and the new PCM must be programmed) to repair this code.
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!
