ANTI-LOCK BRAKE SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Tech Tips


  • Using SST 09843-18040, connect the terminals Tc and CG of the DLC3.

  • If any abnormality is not found when inspecting parts, inspect the ECU.

  • If a malfunction code is displayed during the DTC check, check the circuit listed for that code. For details of each code, turn to the page referred to under the "See page" for respective "DTC No." in the DTC chart.

DTC chart of ABS:
DTC Code Detection Item Trouble Area See page
C0200/31*1 Front Speed Sensor RH Circuit
  • Right front, left front, right rear and left rear speed sensor

  • Each speed sensor circuit

  • Sensor rotor

  • Sensor installation

Click here

C0205/32*1 Front Speed Sensor LH Circuit

Click here

C0210/33*1 Rear Speed Sensor RH Circuit

Click here

C0215/34*1 Rear Speed Sensor LH Circuit

Click here

C0226/21 SFR Solenoid Circuit
  • Brake actuator

  • SFRR or SFRH circuit

Click here

C0236/22 SFL Solenoid Circuit
  • Brake actuator

  • SFLR or SFLH circuit

Click here

C0246/23 SRR Solenoid Circuit
  • Brake actuator

  • SRRR or SRRH circuit

Click here

C0273/13*1 Open in ABS Motor Relay Circuit
  • ABS motor relay

  • ABS motor relay circuit

  • Battery

Click here

C0274/14 Short to B+ in ABS Motor Relay Circuit

Click here

C0278/11 Open in ABS Solenoid Relay Circuit
  • ABS solenoid relay

  • ABS solenoid relay circuit

  • Battery

Click here

C0279/12 Short to B+ in ABS Solenoid Relay Circuit

Click here

C1235/35 Foreign Object is Attached on Tip of Front Speed Sensor RH
  • Right front, left front, right rear, left rear speed sensor

  • Speed sensor rotor

Click here

C1236/36 Foreign Object is Attached on Tip of Front Speed Sensor LH

Click here

C1238/38 Foreign Object is Attached on Tip of Rear Speed Sensor RH

Click here

C1239/39 Foreign Object is Attached on Tip of Rear Speed Sensor LH

Click here

C1241/41 Low Battery Positive Voltage or Abnormally High Battery Positive Voltage
  • Battery

  • Charging system

  • Power source circuit

Click here

C1249/49 Open in Stop Light Switch Circuit
  • Stop light switch

  • Stop light switch circuit

  • Stop light bulb

Click here

C1251/51 Open in Pump Motor Circuit
  • ABS pump motor

  • ABS pump motor circuit

Click here

Always ON Malfunction in ABS ECU
  • Battery

  • Charging system

  • Power source circuit

  • ABS warning light circuit

  • Skid control ECU

Click here


Tech Tips

There is a case that intelligent tester cannot be used when ABS warning light is always on.

DTC of speed sensor check function:
DTC Code Detection Item Trouble Area
C1271/71 Low output voltage of right front speed sensor
  • Right front speed sensor

  • Sensor installation

  • Sensor rotor

C1272/72 Low output voltage of left front speed sensor
  • Left front speed sensor

  • Sensor installation

  • Sensor rotor

C1273/73 Low output voltage of right rear speed sensor
  • Right rear speed sensor

  • Sensor installation

  • Sensor rotor

C1274/74 Low output voltage of left rear speed sensor
  • Left rear speed sensor

  • Sensor installation

  • Sensor rotor

C1275/75 Abnormal change in output voltage of right front speed sensor Right front speed sensor rotor
C1276/76 Abnormal change in output voltage of left front speed sensor Left front speed sensor rotor
C1277/77 Abnormal change in output voltage of right rear speed sensor Right rear speed sensor rotor
C1278/78 Abnormal change in output voltage of left rear speed sensor Left rear speed sensor rotor