April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

WARNING: This page is about a different car, the 2003 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

For DTC detection conditions and possible causes, see Fig 1.

Fig 1: DTCs P0100, P0102 & P0103 Detecting Conditions & Possible Causes