Where is the PCM located on a 1994 Chevrolet Astro RWD van?

The Powertrain Control Module (PCM) on a 1994 Chevrolet Astro RWD van is typically located under the dashboard on the passenger side. Specifically, it is mounted to the firewall, near the area where the passenger side carpet meets the firewall. To access it, you may need to remove some panels or trim pieces.