P2105 2008 FORD FUSION - Throttle Actuator Control System - Forced Engine Shutdown
P2105 2008 FORD FUSION Possible Causes
- Faulty Throttle Actuator Control (TAC)
- Throttle Actuator Control (TAC) harness is open or shorted
- Throttle Actuator Control (TAC) circuit poor electrical connection
First diagnose P2105 2008 FORD FUSION code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
P2105 2008 FORD FUSION Tech NotesThe P2105 code is an informational code and may be set in combination with a number of other codes which are causing the FMEM. Diagnose other codes first.
Cost of diagnosing the P2105 2008 FORD FUSION code
Labor: 1.0The cost of diagnosing the P2105 2008 FORD FUSION code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
P2105 2008 FORD FUSION Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P2105 2008 FORD FUSION MeaningThe electronic Throttle Actuator Control (TAC) is a DC motor controlled by the Powertrain Control Module (PCM). There are 2 designs for the TAC, parallel and inline. The parallel design has the motor under the bore parallel to the plate shaft. The motor housing is integrated into the main housing. The inline design has a separate motor housing. An internal spring is used in both designs to return the throttle plate to a default position. The default position is typically a throttle angle of 7 to 8 degrees from the hard stop angle. The closed throttle plate hard stop prevents the throttle from binding in the bore. This hard stop setting is not adjustable and is set to result in less airflow than the minimum engine airflow required at idle. The P2105 code is set when the Throttle Actuator Control (TAC) system is in the Failure Mode Effects Management (FMEM) mode of forced engine shutdown.
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