The new logic enhances the relay self-shutdown program, eliminating the possibility of frozen relay contacts. In addition, this new logic also contains optimized software for the thermos control valve (MCV) to prevent any midsection of DTC P26A.
Subaru announces the availability of new programming files for the ECM on 2020-2024 Outback and Legacy and 2019-2024 Forester vehicles. These files have been developed to address concerns of the starter motor not operating.
While attempting a restart after a short drive cycle in low ambient temperatures of less than 32 degrees Fahrenheit, the starter motor may not operate. DTC P0890 (TCM power relay sense circuit low) will likely be stored in the ECM. Condensed moisture in the ignition relay can cause the contact points to freeze under these conditions. The new logic enhances the relay self-shutdown program, eliminating the possibility of frozen relay contacts. In addition, this new logic also contains optimized software for the thermos control valve (MCV) to prevent any midsection of DTC P26A.
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety ofspecialties, 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.
