Toyota Tundra. Manual - part 917
VSC and/or TRAC does not
operate
SENSOR SIGNAL; LEFT REAR
WHEEL SPEED SENSOR
SIGNAL; LOW OUTPUT
SIGNAL OF REAR SPEED
SENSOR RH (TEST MODE
DTC); LOW OUTPUT SIGNAL
OF REAR SPEED SENSOR LH
(TEST MODE DTC);
ABNORMAL CHANGE IN
OUTPUT SIGNAL OF REAR
SPEED SENSOR RH (TEST
MODE DTC); ABNORMAL
CHANGE IN OUTPUT SIGNAL
OF REAR SPEED SENSOR LH
(TEST MODE DTC); OPEN
CIRCUIT IN RIGHT REAR
WHEEL SPEED SENSOR
CIRCUIT; OPEN CIRCUIT IN
LEFT REAR WHEEL SPEED
SENSOR CIRCUIT
Yaw rate and deceleration sensor
circuit
DTC C0371/71, C1234/34,
C1244/44, C1279/79: YAW RATE
SENSOR (TEST MODE DTC);
STUCK IN DECELERATION
SENSOR; YAW RATE SENSOR
MALFUNCTION; OPEN OR
SHORT IN DECELERATION
SENSOR CIRCUIT;
DECELERATION SENSOR
OUTPUT VOLTAGE
MALFUNCTION (TEST MODE
DTC)
Steering angle sensor circuit
DTC C1231/31: STEERING
ANGLE SENSOR CIRCUIT
MALFUNCTION
If symptoms still occur even after
above circuits in suspected areas
inspected and proved to be
normal, replace VSC actuator
(skid control ECU)
BRAKE ACTUATOR
Sensor signal check cannot be
performed
TS and CG terminal circuit
TS AND CG TERMINAL
CIRCUIT
VSC actuator (skid control ECU)
BRAKE ACTUATOR
Check for DTCs again and make
sure that normal system code
displayed
DTC CHECK/CLEAR
TC and CG terminal circuit
TC AND CG TERMINAL
2009 Toyota Tundra
2009 BRAKES Brake Control - Tundra