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 MANUALSMAZDA20066 I, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXANTI-LOCK BRAKE/TRACTION CONTROL SYSTEM DTCS
2006 Mazda 6 i, 4D Sedan, Automatic
Anti-Lock Brake/Traction Control System DTCS
2006 Mazda 6 i, 4D Sedan, AutomaticSECTION Anti-Lock Brake/Traction Control System DTCS
ANTI-LOCK BRAKE/TRACTION CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Diagnosis system component |
|---|---|
| DTC B1318 | ABS/TCS power supply |
| DTC B1342 | ABS/TCS HU/CM |
| DTC B2477 | Module configuration |
| DTC C1095 | Motor relay, pump motor |
| DTC C1096 | Motor relay, pump motor |
| DTC C1119 | Engine control system, torque reduction inhibit signal line |
| DTC C1140 | ABS/TCS HU/CM (pump) |
| DTC C1145 | Right front ABS wheel-speed sensor |
| DTC C1148 | Right front ABS wheel-speed sensor/sensor rotor |
| DTC C1155 | Left front ABS wheel-speed sensor |
| DTC C1158 | Left front ABS wheel-speed sensor/sensor rotor |
| DTC C1165 | Right rear ABS wheel-speed sensor |
| DTC C1168 | Right rear ABS wheel-speed sensor/sensor rotor |
| DTC C1175 | Left rear ABS wheel-speed sensor |
| DTC C1178 | Left rear ABS wheel-speed sensor/sensor rotor |
| DTC C1186 | Fail-safe relay |
| DTC C1194 | Left front pressure reduction solenoid valve |
| DTC C1198 | Left front pressure retention solenoid valve |
| DTC C1210 | Right front pressure reduction solenoid valve |
| DTC C1214 | Right front pressure retention solenoid valve |
| DTC C1233 | Left front ABS wheel-speed sensor/sensor rotor |
| DTC C1234 | Right front ABS wheel-speed sensor/sensor rotor |
| DTC C1235 | Right rear ABS wheel-speed sensor/sensor rotor |
| DTC C1236 | Left rear ABS wheel-speed sensor/sensor rotor |
| DTC C1242 | Left rear pressure reduction solenoid valve |
| DTC C1246 | Right rear pressure reduction solenoid valve |
| DTC C1250 | Left rear pressure retention solenoid valve |
| DTC C1254 | Right rear pressure retention solenoid valve |
| DTC C1266 | Fail-safe relay |
| DTC C1414 | ABS/TCS HU/CM |
| DTC C1508 | TCS control |
| DTC C1510 | Right front solenoid valve, motor or ABS wheel-speed sensor/sensor rotor |
| DTC C1511 | Left front solenoid valve, motor or ABS wheel-speed sensor/sensor rotor |
| DTC C1512 | Right rear solenoid valve, motor or ABS wheel-speed sensor/sensor rotor |
| DTC C1513 | Left rear solenoid valve, motor or ABS wheel-speed sensor/sensor rotor |
| U0073 | CAN system communication error |
| U0100 | Communication error to PCM |
| U0101 | Communication error to TCM |
| U0155 | Communication error to instrument cluster |
| DTC U2021 | Engine coolant temperature |
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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.