Toyota Tacoma (2015-2018) Service Manual: Diagnostic Trouble Code Chart

Toyota Tacoma (2015-2018) Service Manual / Brake Control / Dynamic Control Systems / Vehicle Stability Control System(for Hydraulic Brake Booster) / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

NOTICE:

When removing any parts, turn the ignition switch off.

HINT:

If no abnormality is found when inspecting parts, check the skid control ECU and check for poor contact at ground points.
When 2 or more DTCs are detected, perform each circuit inspection until the problem is identified.
All DTCs in the table below are detected in accordance with 1 trip detection logic.

DTC Chart of ABS

DTC Code	Detection Item	See page
C1225	SM Solenoid Circuit
C1226	SA2 Solenoid Circuit
C1227	SA3 Solenoid Circuit
C1228	STR Solenoid Circuit
C1241	Low Power Supply Voltage Malfunction
C1242	Open Circuit in IG1/IG2 Power Source Circuit
C1243	Acceleration Sensor Stuck Malfunction
C1245	Acceleration Sensor Output Malfunction
C1251	Open in Pump Motor Circuit
C1252	Brake Booster Pump Motor on Time Abnormally Long
C1253	Pump Motor Relay
C1254	Pressure Sensor or Switch
C1256	Accumulator Low Pressure
C1257	Power Supply Drive Circuit
C1268	Transfer L4 Position Switch Circuit
C1337	Diameter of the Tire is not Uniform
C1381	Acceleration Sensor Power Supply Voltage Malfunction
C1401	Front Speed Sensor RH Malfunction
C1402	Front Speed Sensor LH Malfunction
C1403	Rear Speed Sensor RH Malfunction
C1404	Rear Speed Sensor LH Malfunction
C1405	Open or Short in Front Speed Sensor RH Circuit
C1406	Open or Short in Front Speed Sensor LH Circuit
C1407	Open or Short in Rear Speed Sensor RH Circuit
C1408	Open or Short in Rear Speed Sensor LH Circuit
C1409	Front Speed Sensor RH Performance
C1410	Front Speed Sensor LH Performance
C1411	Rear Speed Sensor RH Performance
C1412	Rear Speed Sensor LH Performance
C1413	Front Speed Sensor RH Output Malfunction
C1414	Front Speed Sensor LH Output Malfunction
C1415	Rear Speed Sensor RH Output Malfunction
C1416	Rear Speed Sensor LH Output Malfunction
C1417	High Power Supply Voltage Malfunction
C1419	Acceleration Sensor Internal Circuit
C1420	Acceleration Sensor Malfunction
C1421	Open or Short in Master Cylinder Pressure Sensor
C1422	Master Cylinder Pressure Sensor Zero Point High Malfunction
C1423	Master Cylinder Pressure Sensor Zero Point Low Malfunction
C1424	Master Cylinder Pressure Sensor Output Malfunction
C1425	Open in Stop Light Switch Circuit
C1442	Invalid Data Received from Acceleration Sensor
C1452	Accumulator Low Pressure
C1453	Reservoir Level Switch Disconnected
C1454	Reservoir Level Low
C1455	Open or Short in Control Pressure Sensor
C1456	Control Pressure Sensor Zero Point High
C1457	Control Pressure Sensor Zero Point Low
C1458	Control Pressure Sensor Zero Point Output
C1468	SFR Solenoid Circuit
C1469	SFL Solenoid Circuit
C146A	SRR Solenoid Circuit
C146B	SRL Solenoid Circuit
C146E	Open in ABS Solenoid Relay Circuit
C146F	Short in ABS Solenoid Relay Circuit
U0073	Control Module Communication Bus OFF
U0124	Lost Communication with Lateral Acceleration Sensor Module

DTC Chart of VSC

DTC Code	Detection Item	See page
43	ABS Control System Malfunction
C1203	ECM Communication Circuit Malfunction
C1210	Zero Point Calibration of Yaw Rate Sensor Undone
C1232	Acceleration Sensor Stuck Malfunction
C1290	Steering Angle Sensor Zero Point Malfunction
C1336	Zero Point Calibration of Acceleration Sensor Undone
C1380	Stop Light Control Relay Malfunction
C1432	Steering Angle Sensor Power Source Voltage Malfunction
C1433	Steering Angle Sensor Internal Circuit
C1434	Steering Angle Sensor Output Malfunction
C1435	Yaw Rate Sensor Internal Circuit
C1436	Yaw Rate Sensor Malfunction
C1437	Lost Communication with ECM
C1439	Steering Angle Sensor Initialization Incomplete
C1440	Steering Angle Sensor Unusual Bank Angle Detected
C1443	Invalid Data Received from Yaw Rate Sensor
C1445	Vehicle Driven with Steering Angle Sensor not Initialized
U0100	Lost Communication with ECM / PCM
U0114	Lost Communication with Four-Wheel Drive Clutch Control Module
U0123	Lost Communication with Yaw Rate Sensor Module
U0126	Lost Communication with Steering Angle Sensor Module

Test Mode DTC Chart of ABS Sensor

DTC Code	Detection Item	See page
C1271	Low Output Signal of Front Speed Sensor RH (Test Mode DTC)
C1272	Low Output Signal of Front Speed Sensor LH (Test Mode DTC)
C1273	Low Output Signal of Rear Speed Sensor RH (Test Mode DTC)
C1274	Low Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1275	Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC)
C1276	Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC)
C1277	Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC)
C1278	Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1279	Acceleration Sensor Output Voltage Malfunction (Test Mode DTC)
C1281	Master Cylinder Pressure Sensor Output Malfunction (Test Mode DTC)
C1282	Center Differential Lock Position Switch

Test Mode DTC Chart of VSC Sensor

DTC Code	Detection Item	See page
C1379	Downhill Assist Control Switch Malfunction (Test Mode DTC)

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