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Home >> Lexus >> 1997 >> SC 400 >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Engine Controls - Tests W/Codes) >> Circuit Tests >> DTC P1401 - Sub-Throttle Position (Sub-TP) Sensor Circuit Range/Performance Problem >> Diagnosis & Repair

Diagnosis & Repair

WARNING: This page is about a different car, the 1997 Lexus SC 300. However, it is still accessible from the selected car via links, so may be relevant.

If only DTC P1401 is displayed, replace SUB-TP sensor and retest. If other codes are displayed, diagnose and repair those codes first and retest.

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