If you find yourself in a situation where the engine fails to start and you come across a permanent fault code that reads "P1685 - Wrong or invalid key msg received from SKIM," we are here to assist you by providing a solution in the form of a SKIM bypass. This bypass will enable the engine to start using any key, regardless of its original programming. To facilitate this particular service, all we require from you is your Powertrain Control Module (PCM) along with the SKIM module. Once we have successfully processed this service and returned both modules to you, you can easily reinstall them in your vehicle, and you will be fully prepared to start the engine without facing the P1685 error message again.
P56041 625AC | P56041625AC | Jeep 4.0 Litre SKIM Bypass Service
Motorola - MEMS
- Availability:
- This service can typically be completed within 24 business hours.
Ask A Question - If you require further information
We provide an extensive array of bypass services that are specifically designed for these classic jeeps, particularly in cases where replacement parts have become obsolete and are no longer available in the market. In addition to this, we also offer a variety of bypass solutions that are tailored for much later models, ensuring that we cater to a wide range of vehicles. If you happen to have a different module and are currently in search of a suitable solution that meets your specific needs, please feel free to reach out to us through our Ask A Question tab. We will be more than happy to assist you with your inquiries and provide the necessary support to help you find the right solution for your situation.
Our SKIM bypass comes with a 12-month warranty.






