The first thing I would do if I was inspecting your car is to verify that the refrigerant levels are correct, writes ...

If you've had to have your car serviced or had a trouble code read, you may have heard about the PCM, but what does the module do for your car?

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 PCM contains various switches, constants, and tables that control operation of the engine, transmission, and other aspects of the powertrain. VCM Editor is your window into the PCM.

Code P0720 is one of the OBD codes that is activated when the Powertrain Control Module (PCM) detects erratic or insufficient input from the output shaft sensor (OSS). Such a code generally indicates ...

P0335 is a generic trouble code set by the powertrain control module (PCM) when it fails to detect normal operation from the crankshaft position sensor. While most automakers use this code, there are ...

P0302 DTC means that there’s an engine misfire in cylinder 2. The Powertrain Control Module (PCM) detects that a misfire is occurring in the 2nd cylinder in the car motor, thereby alerting the engine ...

This system consists of a Glow Plug Control Relay (GPC) for 49 state or Glow Plug Control Module (GPCM) on 1999 and newer California emissions vehicles, 8 glow plugs, a “wait to start” light, related ...

Ten years after Masuoka invented flash memory it arrived in the all-new, on-board diagnostic (OBD-I) 1994 LT1 F-body powertrain control module (PCM).