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.
2007 Mercury Montego Base, AWDFACTORY OEM SERVICE PROCEDURE
Vehicle Dynamic Systems DTCS
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1484 | Brake Pedal Input Open Circuit | ABS | Go to Pinpoint Test A . |
| B1676 | Battery Pack Voltage Out of Range | ABS | Go to Pinpoint Test B . |
| B2900 | VIN Mismatched | ABS | VERIFY the VIN data, the ABS module and the PCM have the correct as-built data. |
| C1145 | Speed Wheel Sensor RF Input Circuit Failure | ABS | Go to Pinpoint Test C . |
| C1155 | Speed Wheel Sensor LF Input Circuit Failure | ABS | Go to Pinpoint Test C . |
| C1165 | Speed Wheel Sensor RR Input Circuit Failure | ABS | Go to Pinpoint Test C . |
| C1175 | Speed Wheel Sensor LR Input Circuit Failure | ABS | Go to Pinpoint Test C . |
| C1222 | Wheel Speed Sensor Mismatch | ABS | Go to Pinpoint Test E . |
| C1266 | ABS Valve Power Relay Circuit Failure | ABS | Go to Pinpoint Test D . |
| C1296 | Wheel Speed LF Signal Fault | ABS | Go to Pinpoint Test E . |
| C1297 | Wheel Speed RF Signal Fault | ABS | Go to Pinpoint Test E . |
| C1298 | Wheel Speed RR Signal Fault | ABS | Go to Pinpoint Test E . |
| C1299 | Wheel Speed LR Signal Fault | ABS | Go to Pinpoint Test E . |
| C1300 | ABS Hydraulic Pump Motor Circuit Failure | ABS | Go to Pinpoint Test F . |
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.
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