Diagnostic Trouble Code Definitions: Notes
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Lexus GS 430, 2004 Lexus GS 300, 2003 Lexus GS 430, 2003 Lexus GS 300, and 2002 Lexus GS 430. However, it is still accessible from the selected car via links, so may be relevant.
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 |