Toyota Tacoma (2015-2018) Service Manual: Vehicle Control History

Fail-safe Chart

FAIL-SAFE CHART HINT: If any of the following auto cancel conditions are detected while the dynamic radar cruise control system is controlling vehicle speed, the system clears the stored vehicle ...

Communication Error from ECM to VSC Invalid Serial Data Received (P163181)

DESCRIPTION The ECM sends signals such as dynamic radar cruise control operation signals, brake operation demand signals and buzzer operation demand signals to the skid control ECU (master cylind ...

Other materials:

Entry Exterior Alarm and Answer-back Buzzer do not Sound
DESCRIPTION The smart key system (for Entry Function) uses the wireless door lock buzzer to perform various vehicle exterior warnings. When the conditions of each warning are met, the certification ECU (smart key ECU assembly) sends a buzzer activation request signal to the main body ECU (mul ...

High Power Supply Voltage Malfunction (C1417)
DESCRIPTION If a malfunction is detected in the power supply circuit, the skid control ECU (brake actuator assembly) stores this DTC and the fail-safe function prohibits ABS operation. This DTC is stored when the +BS terminal voltage deviates from the DTC detection condition due to a malfunc ...

Operation History List
OPERATION HISTORY LIST NOTICE: The cause of a malfunction is stored in the RAM or EEPROM in the certification ECU (smart key ECU assembly). As the cause of a malfunction stored in the RAM will be cleared when the cable is disconnected from the negative (-) battery terminal, do ...