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 MANUALSFORD2009EXPLORER SPORT TRAC 4D PICKUP CREW CABREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCEPARKING AID SYSTEM
2009 Ford Explorer Sport Trac 4D Pickup Crew Cab
Parking Aid System
2009 Ford Explorer Sport Trac 4D Pickup Crew CabSECTION Parking Aid System
- Specifications
- Description And Operation
- Diagnostic Tests
- Parking Aid - Explorer
- Notes
- Principles of Operation
- Inspection and Verification
- DTC Tables
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: Parking Aid Is Inoperative
- Pinpoint Test B: DTC B1318 - Battery Voltage Low
- Pinpoint Test C: DTC C1742 and C1743 - Rear Sounder Circuit Short To Vbatt & Rear Sounder Circuit Failure
- Pinpoint Test D: DTC U2471 - Unexpected PRNDL State
- Pinpoint Test E: DTC U2472 - Unexpected Ignition State
- Pinpoint Test F: DTC U2473 - Unexpected Vehicle Speed
- Pinpoint Test G: Continuous or Intermittent Tone When No Obstacles or Fault Codes Are Present
- Pinpoint Test H: The Volume Cutback Is Inoperative
- Parking Aid - Mountaineer, Explorer Sport Trac
- Notes
- Principles of Operation
- Inspection and Verification
- DTC Tables
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test I: The Parking Aid Is Inoperative/Does Not Operate Correctly
- Pinpoint Test J: DTCs C1700, C1703, C1706 And C1709 - Parking Aid Sensor Circuit Failure or Blockage
- Pinpoint Test K: DTCs C1699, C1702, C1705 And C1708 - Sensor Circuit Short To Vbat
- Pinpoint Test L: DTCs C1701, C1704, C1707 And C1710 - Sensor Circuit Fault
- Pinpoint Test M: DTC B1299 - Power Supply Sensor Circuit Short To Ground
- Pinpoint Test N: DTC C1742 - Rear Sounder Circuit Failure And DTC C1743 - Rear Sounder Circuit Short To Voltage
- Parking Aid - Explorer
- General Procedures
- Removal And Installation
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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.