2003 Mazda Protege5 AutomaticFACTORY OEM SERVICE PROCEDURE

Anti-Lock Brake DTCS

ANTI-LOCK BRAKE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
C1145, C1155, C1165, C1175 ABS WHEEL-SPEED SENSOR
C1148, C1158, C1168, C1178, C1233, C1234, C1235, C1236 ABS WHEEL-SPEED SENSOR/SENSOR ROTOR
C1194, C1198, C1210, C1214, C1242, C1246, C1250, C1254 PRESSURE REDUCTION/RETENTION SOLENOID VALVE
C1140 ABS HU/CM (PUMP)
C1510, C1511, C1512, C1513 SOLENOID VALVE, ABS MOTOR OR ABS WHEEL-SPEED SENSOR/SENSOR ROTOR
C1186, C1266 FAIL-SAFE RELAY
C1095, C1096 MOTOR RELAY, ABS MOTOR
B1342 ABS HU/CM (CM)
B1318 ABS HU/CM POWER SUPPLY
Factory Service Tools

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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.