How to fix code P1633?
Check for a repeat of the error code by reconnecting the PCM, start the engine (slowly) and reach its operating temperature. Next, run Key On Engine Off Self-Test. Then, retrieve continuous memory DTCs. If the error code is present, then that means you should be replacing the PCM.
What is PCM Keep alive power?
The Keep Alive Power (KAPWR) provides a constant voltage input independent of the ignition switch state to the Powertrain Control Module (PCM). This voltage is used by the PCM to maintain the Keep Alive Memory (KAM).
What does Ford code p1633 mean on Mercury Sable?
If you own a Ford Taurus or Mercury Sable and encounter a Ford code P1633 after repairing your air conditioning, read this first before spending a lot of time on diagnosis. The PCM requires constant power to retain learned settings. What is a learned setting? Well, the vehicle comes from the factory with set programming.
What does p1633 mean on a Ford Taurus?
If you own a Ford Taurus or Mercury Sable and encounter a Ford code P1633 after repairing your air conditioning, read this first before spending a lot of time on diagnosis. The PCM requires constant power to retain learned settings.
What does it mean to have an error code p1633?
Specification on the definition, troubleshooting, and repairs still vary from one make and model to another. Error Code P1633 means the PCM (powertrain control module, also known as ECM or engine control module in other vehicle makes) has detected a low voltage on the Keep Alive memory circuit.
Why do I see p1633 after clutch repair?
And, since a bad clutch coil can often take out the #112 fuse, that’s why you see a Ford code P1633 after an A/C clutch repair Alldatadiy.com and Eautorepair.net are professional-grade shop manuals—period.
If you own a Ford Taurus or Mercury Sable and encounter a Ford code P1633 after repairing your air conditioning, read this first before spending a lot of time on diagnosis. The PCM requires constant power to retain learned settings. What is a learned setting? Well, the vehicle comes from the factory with set programming.
If you own a Ford Taurus or Mercury Sable and encounter a Ford code P1633 after repairing your air conditioning, read this first before spending a lot of time on diagnosis. The PCM requires constant power to retain learned settings.
And, since a bad clutch coil can often take out the #112 fuse, that’s why you see a Ford code P1633 after an A/C clutch repair Alldatadiy.com and Eautorepair.net are professional-grade shop manuals—period.