2002 Lexus GS 300FACTORY OEM SERVICE PROCEDURE

Anti-Lock Brake DTCS

ANTI-LOCK BRAKE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
C0200 Right Front Speed Sensor Circuit
C0205 Left Front Speed Sensor Circuit
C0210 Right Rear Speed Sensor Circuit
C0215 Left Rear Speed Sensor Circuit
C0226 Right Front ABS Solenoid Circuit
C0236 Left Front ABS Solenoid Circuit
C0246 Right Rear ABS Solenoid Circuit
C0256 Left Rear ABS Solenoid Circuit
C0278 ABS Solenoid Relay Circuit
C0279 ABS Solenoid Relay Circuit
C1225 Open Or Short Circuit For SA1
C1226 Open Or Short Circuit For SA2
C1227 Open Or Short Circuit For SA3
C1228 Open Or Short Circuit For STR
C1241 IG Power Source Circuit
C1242 IG2 Power Source Circuit
C1243 Malfunction In Deceleration Sensor
C1244 Deceleration Sensor Circuit
C1245 Malfunction In Deceleration Sensor
C1246 Master Cylinder Pressure Sensor Circuit
C1249 Stop Light Switch Circuit
C1251 Hydraulic Brake Booster Pump Motor Malfunction
C1252 Hydraulic Brake Booster Pump Motor ON Time Abnormally Long
C1253 Motor Relay Circuit
C1254 Pressure Switch Circuit
C1256 Accumulator Low Pressure Malfunction
C1257 Power Supply Drive Circuit
Factory Service Tools

Use the Manual With the Right Hardware

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.