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 MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1725 (AUTOMATIC TRANSMISSION - AUTOMATIC TRANSAXLE/TRANSMISSION - EXTERNAL CONTROLS)DIAGNOSTIC TESTSEXTERNAL CONTROLSSYMPTOM CHART - EXTERNAL CONTROLS

2009 Mercury Milan Premier, 3.0 1, AWD

Symptom Chart - External Controls

2009 Mercury Milan Premier, 3.0 1, AWDSECTION Symptom Chart - External Controls

WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

Condition	Possible Sources	Action
The Brake Shift Interlock Actuator (BSIA) system does not release/lock correctly	Circuit(s) BSIA Brake Pedal Position (BPP) switch or stoplamp system Lighting Control Module (LCM)	Go to Pinpoint Test A .
The selector lever is out of correct gear relationship	Selector lever component(s) Internal transmission component(s)	Go to Pinpoint Test B .
The selector lever indicator does not correspond to the gear	Selector lever indicator adjustment	CHECK that the selector lever indicator adjustment is correct. REFER to Selector Lever Indicator Adjustment . ADJUST the selector lever indicator if necessary. TEST the system for normal operation. If the condition persists, go to Pinpoint Test B .
The selector lever linkage is binding or will not move	Selector lever component(s) Internal transmission component(s)	Go to Pinpoint Test C .
The selector lever indicator does not illuminate	Instrument Cluster (IC)	REFER to INSTRUMENT CLUSTER & PANEL ILLUMINATION article.
The Transmission Control Switch (TCS) does not operate correctly	TCS not cycled during self-test Fuse 8 (10A) TCS Circuit(s) PCM IC	Go to Pinpoint Test D .
The Transmission Control Indicator Lamp (TCIL) does not illuminate	IC PCM	REFER to INSTRUMENTATION, MESSAGE CENTER, & WARNING CHIMES article.
The TCIL is illuminated continuously	IC PCM	REFER to INSTRUMENTATION, MESSAGE CENTER, & WARNING CHIMES article.
Water enters inside the vehicle	Selector lever cable rubber grommet	SECURE the grommet to the bulkhead.
	Torn selector lever cable rubber grommet	INSTALL a new selector lever cable and bracket. REFER to Selector Lever Cable and Bracket .

RENDER: 1.0x

NO RELATED

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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.