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 MANUALSLINCOLN2009TOWN CAR SIGNATURE LIMITED, 4.6 VREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXANTI-LOCK CONTROL DTCSVEHICLE DYNAMIC SYSTEMS
2009 Lincoln Town Car Signature Limited, 4.6 V
Vehicle Dynamic Systems
2009 Lincoln Town Car Signature Limited, 4.6 VSECTION Vehicle Dynamic Systems
ABS MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1342 | Electronic Control Unit (ECU) is Defective | ABS Module | INSTALL a new ABS module. REFER to Anti-Lock Brake System (ABS) Module . |
| B1484 | Brake Pedal Input Open Circuit | ABS Module | Go to Pinpoint Test D. |
| B1596 | Service Continuous Codes | ABS Module |
NOTE:
If other DTCs are present, REPAIR them before installing a new component. TURN the ignition switch to the OFF position and wait at least 30 seconds. TURN the ignition switch to the ON position. REPEAT the ABS self-test. If any DTCs are retrieved, REFER to the ABS Module DTC Index. If no DTCs are retrieved, CARRY OUT a test drive above 15 km/h (9 mph), then REFER to the Symptom Chart
. |
| B1676 | Battery Voltage Out of Range | ABS Module | Go to Pinpoint Test E under PINPOINT TESTS . |
| C1145 | Wheel Speed Sensor RF Input Circuit Failure | ABS Module | Go to Pinpoint Test B under PINPOINT TESTS . |
| C1155 | Wheel Speed Sensor LF Input Circuit Failure | ABS Module | Go to Pinpoint Test B under PINPOINT TESTS . |
| C1165 | Wheel Speed Sensor RR Input Circuit Failure | ABS Module | Go to Pinpoint Test B under PINPOINT TESTS . |
| C1175 | Wheel Speed Sensor LR Input Circuit Failure | ABS Module | Go to Pinpoint Test B under PINPOINT TESTS . |
| C1222 | Wheel Speed Mismatch | ABS Module | VERIFY that all the tires are the same size and correctly inflated. INSPECT the wheel speed sensor rings. CLEAR the DTC. TEST drive the vehicle. REPEAT the self-test. |
| C1266 | ABS Valve Power Relay Circuit Failure | ABS Module | Go to Pinpoint Test H under PINPOINT TESTS . |
| C1296 | Wheel Speed LF Signal Fault | ABS Module | Go to Pinpoint Test C under PINPOINT TESTS . |
| C1297 | Wheel Speed RF Signal Fault | ABS Module | Go to Pinpoint Test C under PINPOINT TESTS . |
| C1298 | Wheel Speed RR Signal Fault | ABS Module | Go to Pinpoint Test C under PINPOINT TESTS . |
| C1299 | Wheel Speed LR Signal Fault | ABS Module | Go to Pinpoint Test C under PINPOINT TESTS . |
| C1300 | ABS Hydraulic Pump Motor Circuit Failure | ABS Module | Go to Pinpoint Test A under PINPOINT TESTS . |
| C1805 | Mismatched PCM and ABS Modules Do Not Match | ABS Module | CHECK the part numbers. INSTALL the correct module. |
| C2775 | TC ON/OFF Switch Stuck Failure | ABS Module | Go to Pinpoint Test G under PINPOINT TESTS . |
| U0073 | Control Module Communication Bus Off | CAN Bus | REFER to MODULE COMMUNICATIONS NETWORK article. |
| U1900 | CAN Communication Bus Fault - Receive Error | CAN Bus | REFER to MODULE COMMUNICATIONS NETWORK article. |
| U2023 | Fault Received From External Node | CAN Bus | REFER to MODULE COMMUNICATIONS NETWORK article. |
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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.