Code Definition

C1109 — Speed Control Actuator Assembly Cable Release Failure

System: Chassis  |  Type: Manufacturer-Specific  |  Make: Ford

About C1109

C1109 is a manufacturer-specific chassis diagnostic trouble code recorded for Ford vehicles. It belongs to the C-prefix family of codes, which covers chassis, braking, steering, suspension, or stability-control faults.

Scanning & clearing: Chassis (C) codes are stored in the ABS, traction control, or stability-control modules. An enhanced or OEM-level scan tool is usually required to read and clear them.

C1109 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

The Speed Control Actuator Assembly operates the throttle through a control cable to maintain the set cruise speed. On these Ford systems the actuator uses a vacuum servo and a release mechanism that must let the cable return to the idle position when cruise is cancelled. DTC C1109 sets when the module detects that the actuator cable did not release as commanded, meaning the throttle is not returning to the expected position when speed control is deactivated. When this code is present cruise control operation is disabled and the driver may notice the system will not engage or cancels unexpecte...

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