This document outlines a troubleshooting process for diagnosing and resolving issues where the remote entry system and OBD2 port are non-functional on a vehicle, despite the engine starting and running normally.
Problem
- Remote keyless entry system is not working (neither key can be programmed).
- OBD2 port is not powering up scan tools, preventing ECU communication.
Solution
- Replace the “Home” fuse located in the cabin fuse box. This fuse is often responsible for powering the OBD2 port and central locking system.
Relevant Parts
- “Home” Fuse (location: cabin fuse box)
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