DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 131 (Automatic Transmission System (UA80E) - Diagnostic Codes (1 Of 2)) >> Automatic Transaxle System >> DTC P0703-12: Brake Switch "B" Circuit Short to Battery [12/2019 - 10/2022] >> Monitor Description

Monitor Description

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

This DTC indicates that the stop light switch is remaining on. When the stop light switch remains on during GO and STOP driving, the ECM interprets this as a malfunction of the stop light switch assembly, illuminates the MIL and stores this DTC. The vehicle must GO (30 km/h (19 mph) or more) and STOP (less than 3 km/h (2 mph)) 5 times for 2 consecutive driving cycles in order for this DTC to be stored.

Diesel-Data.com