The powertrain control module (PCM) in your Jeep Wrangler acts as your engine's brain. Here's where it can cause problems, and how to fix them.

The powertrain control module isn't the only computer that you can find on contemporary cars, but it is the primary computer that controls most systems and functions for vehicles that utilize a PCM.

If your GM car/truck is a '96-and-later, it incorporates an OBD-II-based PCM, which controls the transmission as well. For engine control, the PCM takes many sensor inputs (O2, TPS, RPM, MAF, MAP ...

An issue with the powertrain control module software has prompted Stellantis to recall 131,700 of its Ram 1500 pickup trucks. Related: More Ram News Affected vehicles include model-year 2021 1500s ...

FORD ( 22V382000 ) - Power Train:Automatic Transmission:Control Module (Tcm, Pcm) June 14, 2022 Ford Motor Company (Ford) is recalling certain 2019-2020 Mustang vehicles equipped with 5.0L engines ...

According to NHTSA, the recall covers 552,188 of the pickups due to a loss of signal between the transmission output shaft speed sensor and the powertrain control module causing the truck to ...

Remedy: A software update for the Powertrain Control Module (PCM) and Secondary On-Board Diagnostic Control Module (SOBDMC) will be installed by dealers free of charge.

In a separate recall, the manufacturer is also fixing a Powertrain Control Module (PCM) on 24,655 2025 Ford Explorers. The issue could cause stalling of the vehicle or damage its parking system.