Brake System DTCS
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1342 | ECU Is Faulted | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| B2900 | VIN Mismatch | ABS Module | VERIFY that the module has the correct as-built data. REFER to MODULE CONFIGURATION . |
| C1187 | Brake Fluid Level Sensor Input Open Circuit | ABS Module | GO to PINPOINT TEST B . |
| C1188 | Brake Fluid Level Sensor Input Short Circuit To Battery | ABS Module | GO to PINPOINT TEST B . |
| C1189 | Brake Fluid Level Sensor Input Short Circuit To Ground | ABS Module | GO to PINPOINT TEST B . |
| C1288 | Pressure Transducer Main/Primary Circuit Failure | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1288 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1310 | Brake Hydraulic Pressure Transducer Front Left Wheel Circuit Failure | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1310 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1311 | Brake Hydraulic Pressure Transducer Front Left Wheel Signal Fault | ABS Module | GO to PINPOINT TEST C . |
| C1312 | Brake Hydraulic Pressure Transducer Front Right Wheel Circuit Failure | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1312 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1313 | Brake Hydraulic Pressure Transducer Front Right Wheel Signal Fault | ABS Module | GO to PINPOINT TEST C . |
| C1314 | Brake Hydraulic Pressure Transducer Rear Left Wheel Circuit Failure | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1314 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1315 | Brake Hydraulic Pressure Transducer Rear Left Wheel Signal Fault | ABS Module | GO to PINPOINT TEST C . |
| C1316 | Brake Hydraulic Pressure Transducer Rear Right Wheel Circuit Failure | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1316 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1317 | Brake Hydraulic Pressure Transducer Rear Right Wheel Signal Fault | ABS Module | GO to PINPOINT TEST C . |
| C1318 | Brake Hydraulic Pressure Transducer Accumulator Circuit Failure | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1318 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1319 | Brake Hydraulic Pressure Transducer Accumulator Signal Fault | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1319 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1320 | Brake Hydraulic Accumulator Travel Sensor Circuit Failure | ABS Module | DISCONNECT the ABS module. CHECK for corrosion or pushed out pins. CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1320 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1321 | Brake Hydraulic Accumulator Travel Sensor Signal Fault | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1321 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1322 | Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Circuit Failure | ABS Module | GO to PINPOINT TEST D . |
| C1323 | Brake Hydraulic Master Cylinder Piston Travel Sensor 1 Signal Fault | ABS Module | GO to PINPOINT TEST D . |
| C1324 | Brake Hydraulic Master Cylinder Piston Travel Sensor 2 Circuit Failure | ABS Module | GO to PINPOINT TEST D . |
| C1325 | Brake Hydraulic Master Cylinder Piston Travel Sensor 2 Signal Fault | ABS Module | GO to PINPOINT TEST D . |
| C1327 | Brake Fluid Level Low | ABS Module | REPAIR all other DTCs before proceeding with this pinpoint test. GO to PINPOINT TEST B . |
| C1328 | Electro-Hydraulic General Pressure Sensor Failure | ABS Module | CLEAR the DTCs. CARRY OUT a software reset by cycling the ignition switch OFF. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1328 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1440 | Pressure Transducer Main/Primary Signal Faulted | ABS Module | GO to PINPOINT TEST C . |
| C1471 | Brake System Volume Consumption Plausibility Failure | ABS Module | CLEAR the DTCs. CARRY OUT the service bleed procedure. REFER to BRAKE SYSTEM BLEEDING - HYBRID in this section. If DTC C1471 is retrieved again, INSTALL a new brake master cylinder. REFER to HYDRAULIC BRAKE ACTUATION . REPEAT the self-test. If DTC C1471 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1472 | Master Cylinder Pressure/Travel Plausibility Failure | ABS Module | CLEAR the DTCs. CARRY OUT the service bleed procedure. REFER to BRAKE SYSTEM BLEEDING - HYBRID in this section. If DTC C1472 is retrieved again, INSTALL a new brake master cylinder. REFER to HYDRAULIC BRAKE ACTUATION . REPEAT the self-test. If DTC C1472 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1473 | Brake System Valves Calibration Data Failure | ABS Module | Using the scan tool, CARRY OUT the Brake System Air Bleed Check. CYCLE the ignition switch and CLEAR all DTCs. CARRY OUT the ABS module self-test. If DTC C1473 is still present, CARRY OUT the Brake System Service Bleed. REFER to BRAKE SYSTEM BLEEDING - HYBRID in this section. CYCLE the ignition switch and CLEAR all DTCs. CARRY OUT the ABS module self-test. If DTC C1473 is still present, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . |
| C1474 | High Pressure Accumulator (HPA) Sensor Calibration Data Failure | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1474 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1475 | High Pressure Accumulator (HPA) Pressure/Volume/Temperature Plausibility Failure | ABS Module | INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1476 | Brake System Pump Volume Feed Too Low Plausibility Failure | ABS Module | CLEAR the DTCs. CARRY OUT the service bleed procedure. REFER to BRAKE SYSTEM BLEEDING - HYBRID in this section. REPEAT the self-test. If DTC C1476 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1477 | High Pressure Hydraulic Circuit Leakage Plausibility Failure | ABS Module | CLEAR the DTCs. CARRY OUT the service bleed procedure. REFER to BRAKE SYSTEM BLEEDING - HYBRID in this section. REPEAT the self-test. If DTC C1477 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1478 | Front Left Wheel Brake Pressure Control Plausibility Failure | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1478 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1479 | Rear Left Wheel Brake Pressure Control Plausibility Failure | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1479 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1480 | Front Right Wheel Brake Pressure Control Plausibility Failure | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1480 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1481 | Rear Right Wheel Brake Pressure Control Plausibility Failure | ABS Module | CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC C1481 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |
| C1523 | Brake Fluid Level Sensor Out of Range | ABS Module | GO to PINPOINT TEST B . |
| C1524 | Brake Pedal Travel Sensor Calibration Incomplete | ABS Module | With the transmission in PARK, APPLY the brake pedal one full stroke and completely release it. Turn the ignition switch to the OFF position. Wait at least 4 minutes to allow the ABS module enter sleep mode. Turn the ignition switch to the ON position. CLEAR the DTCs. REPEAT the self-test. If DTC C1524 is still present, verify the pedal travel sensor operation; GO to PINPOINT TEST D . |
|
NOTE:
DTC C1525 can only be cleared after carrying out the Escape Hybrid brake system service bleed procedure. C1525
|
Brake System Initialization Incomplete | ABS Module | Turn the ignition switch to the OFF position. Turning the ignition switch to the ON position. CLEAR the DTCs. CARRY OUT the on-demand self-test. If DTC C1525 is present, CARRY OUT the service bleed procedure. REFER to BRAKE SYSTEM BLEEDING - HYBRID in this section. |
| C1526 | Brake Pedal Travel Sensor Fault | ABS Module | INSTALL a new brake master cylinder (also referred to as the actuation control unit [ACU]). REFER to HYDRAULIC BRAKE ACTUATION ; note also, if DTC C1526 and C1524 are present, a new brake master cylinder (ACU) must be installed. Then, GO to PINPOINT TEST E . |
| U2050 | No Application Present | ABS Module | CARRY OUT a software reset by cycling the ignition switch OFF. DRIVE the vehicle. CLEAR the DTCs. DRIVE the vehicle. VERIFY that the red brake warning indicator is not illuminated. REPEAT the self-test. If DTC U2050 is retrieved again, INSTALL a new hydraulic control unit (HCU). REFER to VEHICLE DYNAMIC SYSTEMS . REPEAT the self-test. |