Anti-Lock Brake System -- Diagnostic Trouble Code Chart |
- NOTICE:
- When removing parts, turn the ignition switch OFF.
- HINT:
- If an abnormality is not found when inspecting parts, inspect the ECU and ground points for poor contact.
- If a malfunction code is displayed during the DTC check, check the circuit listed for that code. For details of each code, refer to the page number in the chart below.
- When 2 or more DTCs are detected, perform inspections on each circuit until the problem is identified.
| DTC Code | Detection Item | Trouble Area | See page |
| C0200/31 | Right Front Wheel Speed Sensor Signal Malfunction | - Front speed sensor RH - Front speed sensor circuit - Front speed sensor rotor RH - Sensor installation | Toyota Fortuner RM00000102R025X.html |
| C0205/32 | Left Front Wheel Speed Sensor Signal Malfunction | - Front speed sensor LH - Front speed sensor circuit - Front speed sensor rotor LH - Sensor installation | Toyota Fortuner RM00000102R025X.html |
| C0210/33 | Right Rear Wheel Speed Sensor Signal Malfunction | - Rear speed sensor RH - Rear speed sensor circuit - Rear speed sensor rotor RH - Sensor installation | Toyota Fortuner RM00000104M026X.html |
| C0215/34 | Left Rear Wheel Speed Sensor Signal Malfunction | - Rear speed sensor LH - Rear speed sensor circuit - Rear speed sensor rotor LH - Sensor installation | Toyota Fortuner RM00000104M026X.html |
| C0226/21 | SFR Solenoid Circuit | - Brake actuator assembly - SFRR or SFRH circuit | Toyota Fortuner RM00000104A00BX.html |
| C0236/22 | SFL Solenoid Circuit | - Brake actuator assembly - SFLR or SFLH circuit | Toyota Fortuner RM00000104A00BX.html |
| C0246/23 | SRR Solenoid Circuit | - Brake actuator assembly - SRRR or SRRH circuit | Toyota Fortuner RM00000104A00BX.html |
| C0273/13 | Open in ABS Motor Relay Circuit | - Brake actuator assembly (ABS motor relay) - ABS motor relay circuit | Toyota Fortuner RM0000011CE009X.html |
| C0274/14 | Short to B+ in ABS Motor Relay Circuit | - Brake actuator assembly (ABS motor relay) - ABS motor relay circuit | Toyota Fortuner RM0000011CE009X.html |
| C0278/11 | Open in ABS Solenoid Relay Circuit | - Brake actuator assembly (ABS solenoid relay) - ABS solenoid relay circuit | Toyota Fortuner RM0000011CD00BX.html |
| C0279/12 | Short to B+ in ABS Solenoid Relay Circuit | - Brake actuator assembly (ABS solenoid relay) - ABS solenoid relay circuit | Toyota Fortuner RM0000011CD00BX.html |
| C1235/35 | Foreign Object is Attached on Tip of Front Speed Sensor RH | - Front speed sensor RH - Front speed sensor circuit - Sensor installation | Toyota Fortuner RM00000102R025X.html |
| C1236/36 | Foreign Object is Attached on Tip of Front Speed Sensor LH | - Front speed sensor LH - Front speed sensor circuit - Sensor installation | Toyota Fortuner RM00000102R025X.html |
| C1238/38 | Foreign Object is Attached on Tip of Rear Speed Sensor RH | - Rear speed sensor RH - Rear speed sensor circuit - Sensor installation | Toyota Fortuner RM00000104M026X.html |
| C1239/39 | Foreign Object is Attached on Tip of Rear Speed Sensor LH | - Rear speed sensor LH - Rear speed sensor circuit - Sensor installation | Toyota Fortuner RM00000104M026X.html |
| C1241/41 | Low Battery Positive Voltage or Abnormally High Battery Positive Voltage | - Battery - Charging system - Power source circuit | Toyota Fortuner RM0000011CF00BX.html |
| C1243/43 | Acceleration Sensor Stuck Malfunction | - Deceleration sensor - Deceleration sensor circuit | Toyota Fortuner RM00000104B009X.html |
| C1244/44 | Open or Short in Deceleration Sensor Circuit | - Deceleration sensor - Deceleration sensor circuit | Toyota Fortuner RM00000104B009X.html |
| C1245/45 | Acceleration Sensor Output Malfunction | - Deceleration sensor - Deceleration sensor circuit | Toyota Fortuner RM00000104B009X.html |
| C1248/48 | Open Circuit in Rear Differential Lock | - Transfer indicator switch - Skid control ECU - Wire harness | Toyota Fortuner RM000001L49003X.html |
| C1249/49 | Open in Stop Light Switch Circuit | - Stop light bulb - Stop light switch - Stop light switch circuit | Toyota Fortuner RM00000104C00BX.html |
| C1251/51 | Open in Pump Motor Circuit | - Brake actuator - Brake actuator circuit | Toyota Fortuner RM00000104D00AX.html |
| C1337/37 | Diameter of the Tire is not Uniform | Tire size | Toyota Fortuner RM00000104I009X.html |
| DTC Code | Detection Item | Trouble Area | See page |
| C1271/71 | Low Output Signal of Front Speed Sensor RH (Test Mode DTC) | - Front speed sensor RH - Sensor installation - Front speed sensor rotor RH | Toyota Fortuner RM00000102R025X.html |
| C1272/72 | Low Output Signal of Front Speed Sensor LH (Test Mode DTC) | - Front speed sensor LH - Sensor installation - Front speed sensor rotor LH | Toyota Fortuner RM00000102R025X.html |
| C1273/73 | Low Output Signal of Rear Speed Sensor RH (Test Mode DTC) | - Rear speed sensor RH - Rear speed sensor installation - Rear speed sensor rotor RH | Toyota Fortuner RM00000104M026X.html |
| C1274/74 | Low Output Signal of Rear Speed Sensor LH (Test Mode DTC) | - Rear speed sensor LH - Rear speed sensor installation - Rear speed sensor rotor LH | Toyota Fortuner RM00000104M026X.html |
| C1275/75 | Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC) | Front speed sensor rotor RH | Toyota Fortuner RM00000102R025X.html |
| C1276/76 | Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC) | Front speed sensor rotor LH | Toyota Fortuner RM00000102R025X.html |
| C1277/77 | Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC) | Rear speed sensor rotor RH | Toyota Fortuner RM00000104M026X.html |
| C1278/78 | Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC) | Rear speed sensor rotor LH | Toyota Fortuner RM00000104M026X.html |
| C1279/79 | Acceleration Sensor Output Voltage Malfunction (Test Mode DTC) | - Deceleration sensor - Sensor installation | Toyota Fortuner RM00000104B009X.html |
| C1282/82* | Center Differential Lock Position Switch Malfunction (Test Mode DTC) | Transfer indicator (center differential lock) switch | Toyota Fortuner RM000001Z7W003X.html |
| C1283/83* | L4 Position Switch Malfunction (Test Mode DTC) | Transfer L4 position switch | Toyota Fortuner RM000001Z7W003X.html |
- HINT:
- *: 4WD
- The codes in this table are output only in TEST MODE.