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Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Continuously Variable Transmission (Diagnostics)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P2158: Vehicle Speed Sensor "B" Circuit >> Diagnostic Method

Diagnostic Method

WARNING: This page is about a different variant/trim than selected.

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Vehicle speed (rear wheel) from vehicle dynamics control module
NOTE: The Vehicle dynamics control module detects malfunction if either of rear wheel speed sensors does not output a signal and the other vehicle speed sensor output signal is above 7.46 MPH
≥ 186.4 MPH

Time needed for diagnosis:  2.5 seconds

Malfunction indicator light illumination:  Illuminates as soon as a malfunction occurs.