LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2004 >> GS 430 >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock >> Diagnostic Trouble Code Definitions >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Definitions: Notes

WARNING: Vehicles are equipped with air bag supplemental restraint system. Before attempting any repairs involving steering column, instrument panel or related components, see SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in AIR BAG RESTRAINT SYSTEMS .
CAUTION: Wash off brake fluid immediately if it comes into contact with a painted surface.
NOTE: Disconnecting battery cable during repairs will not erase DTCs in ABS ECU.

For ABS diagnostic trouble code definitions, perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS  table.

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC Perform Test
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