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Home >> Toyota >> 2018 >> 4Runner TRD Pro >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Vehicle Stability Control System (For Hydraulic Brake Booster) - Diagnostic Codes (43, C0226-C1422) >> VEHICLE STABILITY CONTROL SYSTEM (for Hydraulic Brake Booster) >> DTC C120A: ECU Initial Setting Incomplete [08/2015 - ] >> Description

DTC C120A: ECU Initial Setting Incomplete [08/2015 - ]: Description

w/ Downhill Assist Control or w/ Crawl Control:

When the master cylinder solenoid (skid control ECU) is replaced, the master cylinder solenoid (skid control ECU) must be informed that the vehicle is equipped with downhill assist control and/or crawl control.

DTC Code DTC Detection Condition Trouble Area
C120A The master cylinder solenoid is not informed that the vehicle is equipped with downhill assist control or crawl control and downhill assist control or crawl control operates. Calibration not performed
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