Switched to hp tuners now have p0633 code. Cummins Diesel Forum

Dodge P0633. Code P0633 Chevrolet Immobilizer Key Not Programmed This code is set when there is a communication gap between the vehicle's immobilizer module and the PCM, indicating that the secret key data necessary for starting the vehicle has. According to the sticky post above that code is "Skim Key not programmed in the PCM".

P0633 on 2004 Dodge Ram 3500 5.9L Cummins I have a 2004 Dodge Ram 3500 24v 5.9l Cummins my truck did not come with the optional SKIM/Sentry keys The ICM is responsible for controlling the anti-theft system in your vehicle

2013 dodge durango scan code P0123 and P0300 YouTube

If the ICM detects a problem with the system, it will trigger the P0633 code. Any malfunction that will cause a no-start condition will prevent DTC P0633 from clearing Prior to diagnosing DTC P0633, ensure that all power moving, and engine control systems are operating properly and all conditions that may cause a no-start have been corrected.

New 2023 Dodge Challenger R/T Scat Pack Coupe in Clearwater P0633. This code is set when there is a communication gap between the vehicle's immobilizer module and the PCM, indicating that the secret key data necessary for starting the vehicle has. The OBD2 code P0633, specifically titled "SKIM (Sentry Key Immobilizer Module) Secret Key Not Stored in PCM (Powertrain Control Module)," is a unique diagnostic trouble code that can be somewhat perplexing.

P0633 Code Immobilizer Key not Programmed ECM / PCM In The Garage. Visually inspect the related wiring harness and connectors I asked a kid i work with to swap the ignition cylinder for one that had 2 keys he got it from the junk yard and he also brought the SKIM device that goes around the cylinder and plugged it into m.