Verifying Lincoln Corsair release cable part

March 4, 2025
Some 2020 Lincoln Corsair vehicles equipped with an 8F24, 8F35 or 8F40 transmission may exhibit an unable to engage park condition with a MIL on and DTC P07E4 stored in ECM memory.

Some 2020 Lincoln Corsair vehicles equipped with an 8F24, 8F35 or 8F40 transmission may exhibit an unable to engage park condition with a MIL on and DTC P07E4 stored in ECM memory.

There will also be a shift system fault warning message displayed and the electronic park brake will be automatically applied when park is requested.

This condition may be caused by an incorrect underhood section of the transmission park manual release cable or the underhood section of the transmission park manual release cable not in the proper stowed position.

1. Using a borescope, verify the underhood transmission park manual release cable part number. The part number label is located on the cable under the battery tray. Refer to the parts catalog to verify the correct part number. If the part number is not correct, replace both sections of the park manual release cable.

2. If the part number is correct, with the key on/engine off (KOEO) mode and the brake pedal fully depressed, fully actuate the transmission park manual release cable to the override position (which should activate a cluster message stating “Park not available apply park brake before exiting”) and release the manual release cable. Make sure that the cable handle cover is reinstalled. Make sure to pull the cable straight out. Do not pull at an angle.

3. Disconnect the cable from the transmission lever. The lever may move slightly when disconnecting the cable. If the shift system fault warning message disappears, replace both sections of the park manual release cable. Clear all DTCs.

About the Author

Mike Mavrigian | Motor Age Editor

Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of  specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.

Sponsored Recommendations

Save Time with Standard's Kits & Multipacks

Stock up on essential repair kits! Discover how Standard's multipacks simplify repairs and reduce downtime.

Fuel Injection Training – Pro Tips for Techs

Choosing the right fuel injector matters. Learn best practices for selection and related component recommendations.

ABS Sensor Insights – Get the Right Fit Every Time

ABS sensors are critical to vehicle safety. Learn how they interact with electronic systems and how to choose the best replacement.

Prevent Oil Filter Housing Failures – What Every Tech Should Know

Learn why Pentastar oil filter housings commonly fail and how Standard's enhanced design prevents leaks.

Voice Your Opinion!

To join the conversation, and become an exclusive member of Vehicle Service Pros, create an account today!