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.
2004 Mercury Sable LS, 4D SedanFACTORY OEM SERVICE PROCEDURE
Anti-Lock Brake System Control DTCS
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1342 | ECU is Defective | ABS/TC Module | Clear the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, install a new ABS module. Repeat the self-test. |
| B1484 | Brake Pedal Input Circuit Failure | ABS/TC Module | Go To PINPOINT TEST C . |
| B1596 | Service Continuous Code | ABS/TC Module | Turn the ignition switch from OFF to ON. REPEAT the ABS self-test. If any DTCs are retrieved, diagnose DTC. If no DTCs are retrieved, CARRY OUT a drive test above 9 MPH, then REFER to the SYMPTOM CHART . |
| B1676 | Battery Pack Voltage Out of Range | ABS/TC Module | Go To PINPOINT TEST B . |
| C1300 | ABS Hydraulic Pump Motor Circuit Failure | ABS/TC Module | Go To PINPOINT TEST D . |
| C1145 | RF Wheel Speed Sensor Input Circuit Failure | ABS/TC Module | Go To PINPOINT TEST E . |
| C1155 | LF Wheel Speed Sensor Input Circuit Failure | ABS/TC Module | Go To PINPOINT TEST E . |
| C1165 | RR Wheel Speed Sensor Input Circuit Failure | ABS/TC Module | Go To PINPOINT TEST E . |
| C1175 | LR Wheel Speed Sensor Input Circuit Failure | ABS/TC Module | Go To PINPOINT TEST E . |
| C1222 | Mismatched Wheels or Damages Wheel Speed Sensor Ring | Wheel Tone Ring | Go To PINPOINT TEST F . |
| C1296 | LR Wheel Speed Sensor Input Signal Missing | ABS/TC Module | Go To PINPOINT TEST F . |
| C1297 | LR Wheel Speed Sensor Input Signal Missing | ABS/TC Module | Go To PINPOINT TEST F . |
| C1298 | RR Wheel Speed Sensor Input Signal Missing | ABS/TC Module | Go To PINPOINT TEST F . |
| C1299 | LR Wheel Speed Sensor Input Signal Missing | ABS/TC Module | Go To PINPOINT TEST F . |
| C1266 | ABS Valve Power Relay Circuit Failure | ABS/TC Module | Go To PINPOINT TEST G . |
| C1805 | Mismatched PCM and or ABS Module | Data Received by ABS Module Not as Expected | CARRY OUT the PCM Self-Test CHECK for correct PCM and ABS Module part numbers |
| U0073 | Control Module Communication Bus Off Fault | Network Fault | Refer to MODULE COMMUNICATIONS NETWORK article. |
| U1900 | CAN Communication Bus Fault-Receive Error | Network Fault | Refer to MODULE COMMUNICATIONS NETWORK article. |
| U2023 | Fault-Receive From External Node | Network Fault | Refer to MODULE COMMUNICATIONS NETWORK article. |
Factory Service Tools
Use the Manual With the Right Hardware
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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.