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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (Automatic Transmission System (Aa80E) - Diagnostic Codes (1 Of 2)) >> Automatic Transmission System >> DTC P0724: Brake Switch "B" Circuit High [11/2021 - ] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. However, it is still accessible from the selected car via links, so may be relevant.

This DTC indicates that the stop light switch is remaining on. When the stop light switch remains on during GO and STOP driving, the TCM interprets this as a malfunction of the stop light switch, then illuminates the MIL and stores the DTC. The vehicle must GO (30 km/h (18.63 mph) or more) and STOP (less than 3 km/h (1.86 mph)) 5 times for 2 driving cycles in order for the DTC to be output.

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