DF309 Mercury Park Lane DTC Code

Mercury Park Lane Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	Opposite Piston Engine
Engine Air Intake Process :	Naturally Aspirated

Your Mercury Park Lane engine control system detects a problem, the computer stores the diagnostic trouble code DF309 in its memory. To figure out what is wrong with your vehicle you must first extract the DF309 DTC For Mercury Park Lane.

On 1999 and later DF309 Mercury Park Lane engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

DF309 Mercury Park Lane DTC Meaning

D	Chassis Code - Problem is controller area network wiring bus and modules.
F	SAE - Generic
3	IC Module 4X Ref Circuit Intermittent, No Pulses
0	Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
9	A/C System High Pressure High Temperature

If your DF309 Mercury Park Lane check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system DF309 and engine control unit are in charge of monitoring a bunch of different DF309 DTC For Mercury Park Lane, and if they get a reading that's a little out of whack, up pops the check engine light.