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Home >> Toyota >> 2004 >> Matrix Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 132 (Engine Control System Self Diagnostics) >> Diagnostic Tests >> DTC P1520: Stoplight Switch Signal Circuit Malfunction >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2003 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

This DTC uses two-trip detection logic. DTC is set if stoplight switch does not turn off when vehicle is being driven. Possible causes are: