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Home >> Toyota >> 2012 >> Prius Two >> Repair and Diagnosis >> Quick Lookups >> DTC Index (Except Plug-In) >> Brake Control / Dynamic Control Systems DTCS >> Electronically Controlled Brake System
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Electronically Controlled Brake System

ABS DTC IDENTIFICATION

DTC Code Description
42 Electronically Controlled Brake System Malfunction
C1235/35 Foreign Object is Attached on Tip of Front Speed Sensor RH
C1236/36 Foreign Object is Attached on Tip of Front Speed Sensor LH
C1238/38 Foreign Object is Attached on Tip of Rear Speed Sensor RH
C1239/39 Foreign Object is Attached on Tip of Rear Speed Sensor LH
C1243/43 Acceleration Sensor Stuck Malfunction
C1244/44 Open or Short in Acceleration Sensor Circuit
C1245/45 Acceleration Sensor Output Malfunction
C1336/98 Zero Point Calibration of Acceleration Sensor Undone
C1381/97 Acceleration Sensor Power Supply Voltage Malfunction
C1442/44 Invalid Data Received from Acceleration Sensor
C1464/31 Front Speed Sensor RH Circuit
C1465/32 Front Speed Sensor LH Circuit
C1466/33 Rear Speed Sensor RH Circuit
C1467/34 Rear Speed Sensor LH Circuit
U0124/95 Lost Communication with Lateral Acceleration Sensor Module
VSC DTC IDENTIFICATION

DTC Code Description
43 ABS Control System Malfunction
45 Electronically Controlled Brake System Malfunction
C1210/36 Zero Point Calibration of Yaw Rate Sensor Undone
C1231/31 Steering Angle Sensor Circuit Malfunction
C1234/34 Yaw Rate Sensor Malfunction
C1290/66 Steering Angle Sensor Zero Point Malfunction
C1310/51 Malfunction in HV system
C1380/64 Stop Light Control Relay Malfunction
C1439/66 Steering Angle Sensor Initialization Incomplete
C1440/98 Unusual Bank Angle Detected
C1443/34 Invalid Data Received from Yaw Rate Sensor
C1445/66 Vehicle Driven with Steering Angle Sensor not Initialized
U0123/62 Lost Communication with Yaw Rate Sensor Module
U0126/63 Lost Communication with Steering Angle Sensor Module
ELECTRONICALLY CONTROLLED BRAKE SYSTEM DTC IDENTIFICATION

DTC Code Description
36 ABS Control System Malfunction
C1202/68 Master Reservoir Level Malfunction
C1203/95 ECM Communication Circuit Malfunction
C1211/25 SLA Linear Solenoid
C1212/26 SLR Linear Solenoid
C1214/62 Hydraulic Control System Malfunction
C1225/31 SA1 Solenoid Circuit
C1226/32 SA2 Solenoid Circuit
C1227/33 SA3 Solenoid Circuit
C1228/34 STR Solenoid Circuit
C1242/42 Open in IG1 / IG2 Power Source Circuit
C1246/46 Master Cylinder Pressure Sensor Malfunction
C1247/47 Stroke Sensor Malfunction
C1249/49 Open in Stop Light Switch Circuit
C1252/52 Brake Booster Pump Motor on Time Abnormally Long
C1253/53 Pump Motor Relay Malfunction
C1256/56 Accumulator Low Pressure
C1257/57 Power Supply Drive Circuit
C1259/58 HV System Regenerative Malfunction
C1300 Skid Control ECU Malfunction
C1311/11 Open in Main Relay 1 Circuit
C1312/12 Short in Main Relay 1 Circuit
C1345/66 Linear Solenoid Valve Offset Learning Undone
C1352/21 FR Solenoid
C1353/23 RR Solenoid
C1356/22 FL Solenoid
C1357/24 RL Solenoid
C1364/61 Wheel Cylinder Pressure Sensor Malfunction
C1365/54 Accumulator Pressure Sensor Malfunction
C1368/67 Linear Solenoid Valve Offset Malfunction
C1391/69 Accumulator Leak Malfunction
C1392/48 Stroke Sensor Zero Point Calibration Undone
C1451/72 Motor Drive Permission Malfunction
U0073/94 Control Module Communication Bus OFF
U0293/59 Communication Error from HV ECU
ABS AND ELECTRONICALLY CONTROLLED BRAKE SYSTEM DIAGNOSTIC TROUBLE CODE DTC IDENTIFICATION

DTC Code Description
C1241/41 Low Battery Positive Voltage
ABS TEST MODE DTC IDENTIFICATION

DTC Code Description
C1271/71 Low Output Signal of Front Speed Sensor RH (Test Mode DTC)
C1272/72 Low Output Signal of Front Speed Sensor LH (Test Mode DTC)
C1273/73 Low Output Signal of Rear Speed Sensor RH (Test Mode DTC)
C1274/74 Low Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1275/75 Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC)
C1276/76 Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC)
C1277/77 Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC)
C1278/78 Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC)
C1279/79 Acceleration Sensor Output Voltage Malfunction (Test Mode DTC)
C1281/81 Master Cylinder Pressure Sensor Output Malfunction (Test Mode DTC)
ELECTRONICALLY CONTROLLED BRAKE SYSTEM TEST MODE DTC IDENTIFICATION

DTC Code Description
C1346/71 Stroke Sensor Zero Point Learning Malfunction (Test Mode DTC)