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

Low Power Supply Voltage Malfunction (C1241)

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 ...

Transfer L4 Position Switch Circuit (C1268)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area C1268 Transfer L4 Position Switch Circuit Ei ...

Other materials:

Additional Key cannot be Registered
DESCRIPTION If additional registration is not possible, a malfunction in the certification ECU (smart key ECU assembly), engine switch, electrical key transmitter sub-assembly or steering lock ECU (steering lock actuator or UPR bracket assembly) is suspected. CAUTION / NOTICE / HINT NOTICE ...

Steering Angle Sensor Output Malfunction (C1434)
DESCRIPTION Steering angle sensor signals are input to the skid control ECU (brake actuator assembly) via the CAN communication system. HINT: When a malfunction occurs in the communication line to the steering angle sensor, U0126 is output. If a DTC related to the CAN communication line is ou ...

Operation Check
OPERATION CHECK 1. CHECK FUNCTION (a) Check that the key reminder warning buzzer sounds. (1) With the driver side door closed, insert the key into the ignition key cylinder and then turn the key to LOCK or ACC. (2) Check that the buzzer sounds intermittently when the driver side door is open ...