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 Ford Freestar Base, 3.9 6FACTORY OEM SERVICE PROCEDURE
Speed Control
SPEED CONTROL ACTUATOR DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTCs | Description | Perform Test |
|---|---|---|
| B1318 | Low Ignition Voltage During Speed Control Operation | Go to Pinpoint Test K . |
| B1342 | ECU is Defective | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new speed control actuator. REFER to Speed Control Actuator . CLEAR the DTCs. REPEAT the self-test. |
| C1109 | Throttle Did Not Return To Idle After Self-Test | Go to Pinpoint Test J . |
| C1126 | Command Switch Stuck For 2 Minutes Or Longer | Go to Pinpoint Test G . |
| C1127 | Deactivator Switch Stuck Open | If the vehicle is equipped with stability assist, go to Pinpoint Test H
. If the vehicle is not equipped with stability assist, go to Pinpoint Test I . |
| C1179 | Excessive Cable Slack In The Speed Control Cable | Go to Pinpoint Test J . |
| U1027 | Missing or Invalid Throttle Message | Go to Pinpoint Test L . |
| U1041 | Missing or Invalid Vehicle Speed Message | Go to Pinpoint Test L . |
| U1051 | Missing or Invalid Brake Message | Go to Pinpoint Test L . |
| U1059 | Missing or Invalid PRNDL Message | Go to Pinpoint Test L . |
Factory Service Tools
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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.