LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2003 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Engine Control System Self Diagnostics) >> Diagnostic Tests >> DTC P2120, DTC P2122, DTC P2123, DTC P2125, DTC P2127, DTC P2128 Or DTC P2138 >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

WARNING: This page is about a different car, the 2003 Toyota Sequoia. 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: APP Sensor Voltage, DTC Detection Conditions & Possible Causes
G00233661Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002