Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2004CELICA GT, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 165 (ANTI-LOCK BRAKE SYSTEM)SELF-DIAGNOSTIC SYSTEMDIAGNOSTIC TROUBLE CODE DEFINITIONSNOTES
2004 Toyota Celica GT, Standard
Diagnostic Trouble Code Definitions: Notes
2004 Toyota Celica GT, StandardSECTION Notes
WARNING: This page is about a different car, the 2003 Lexus LS 430, 2002 Lexus LS 430, and 2001 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
DTC INDEX
| DTC | Description |
|---|---|
| DTCS C0200/31, C0205/32, C0210/33, C0215/34, C1235/35, C1236/36, C1238/38 & C1239/39 | |
| DTCS C0226/21, C0236/22, C0246/23 & C0256/24 | ABS-RELATED SOLENOID CIRCUITS |
| DTC C0273/13 & C0274/14 | ABS MTR RELAY CIRCUIT |
| DTCS C0278/11 & C0279/12 | ABS SOL RELAY CIRCUIT |
| DTC C1201/51 | ENGINE CONTROL SYSTEM MALFUNCTION |
| DTC C1202/52 | BRAKE FLUID LEVEL WARNING SWITCH CIRCUIT |
| DTC C1203/53 | MALFUNCTION IN ENGINE & ECT ECU COMMUNICATION CIRCUIT |
| DTC C1210/36 | ZERO POINT CALIBRATION OF YAW RATE SENSOR UNDONE |
| DTC C1224/44 | NEO SIGNAL CIRCUIT |
| DTCS C1225/25, 1226/26 & C1227/27 | TRAC & VSC - RELATED SOLENOID CIRCUITS |
| DTCS C1231/31 & C1335/35 | STEERING ANGLE SENSOR CIRCUIT |
| DTCS C1232/32 & C1244/44 | |
| DTCS C1233/33 & C1234/34 | YAW RATE SENSOR CIRCUIT |
| DTC C1241/41 | IG POWER SOURCE CIRCUIT |
| DTCS C1243/43, C1245/45 & C1336/39 | |
| DTC C1246/46 | MASTER CYLINDER PRESSURE SENSOR CIRCUIT |
| DTC C1249/49 | STOP LIGHT SWITCH CIRCUIT |
| DTC C1251/51 | ABS PUMP MOTOR LOCK |
| DTC 1267/67 | BRAKE PEDAL LOAD SENSING SWITCH |
| DTC 1303/57 | MULTIPLEX COMMUNICATION CIRCUIT MALFUNCTION |
| DTCS C1560 & C1561 | PPS SOLENOID CIRCUIT |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.