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TOPIC : PCM

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Mazda Reboot

Some 2010 Mazda3 2.0L and Mazda5 2.3L vehicles may experience a MIL on with DTC P2096:00 (target A/F feedback system too lean). This is caused by improper control logic of the PCM. To repair the problem, the control logic of the PCM has been changed.

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Shifty Programming

Some 2006-2008 Ford Explorer vehicles equipped with a 4.6L 3-V engine may exhibit DTC P0196 (engine oil temperature sensor range/performance during ice/snow conditions); idle speed dropping below specifications, hesitation or loss of rpm with no DTCs stored in the PCM; or cruise control surge at approximately 50 mph to 60 mph in hilly regions (this only applies to vehicles operated at altitudes above 5,000 feet).

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Cranky Tribute

Some 2008 Mazda Tributes equipped with a 2.3L engine and CD4E automatic transmission may exhibit an intermittent crank no-start, hard start or rough running after starting in ambient temperatures above 60 degrees Fahrenheit. Note that this bulletin does not apply to Tribute hybrid models.

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Ford Diesel Glitch

Some 2005-2007 Ford F-Super Duty trucks equipped with a 6.8L engine may exhibit hesitation, loss of rpm and/or low idle rpm concerns.

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Trans tries to wake up, but hits the snooze button

Some 2009-2010 Ford Escape and Mercury Mariner and Milan vehicles equipped with a 6F35 transmission may exhibit a harsh 1-2 shift or 2-3 shift flare that occurs on the first couple of shifts of the day, an intermittent harsh first engagement (primarily reverse but occasionally drive), with no DTCs present.

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A Tribute to technology

Some 2010 Mazda Tribute vehicles may exhibit a MIL on with DTC P0128 (coolant temp below thermostat regulating temperature). This concern may be more pronounced in cold ambient temperatures when the engine is first started after a cold soak, and then driven under light load/low speed conditions with the climate control blower motor setting on high. No drivability issues may be present.

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Shifty 150

Some 2011-2013 Ford F-150 trucks equipped with the 3.5L gasoline turbocharged direct injection (GTDI) engine and built on or before 7-29-2013 may exhibit a slight buck/jerk at steady cruise with the transmission in 6th gear and the engine lugging up grades at 1,500-2,000 rpm.

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Ford trans relearn

Some 2009-2010 Ford Expedition and Navigator vehicles built on or before 5-1-2010 and 2009-2010 F-150 vehicles built on or before 2-1-2010 and equipped with the 5.4L 3V engine and 6R80 transmission may exhibit a delayed-then-harsh downshift during a commanded downshift at speeds above 40 mph.

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Engine over-rev

This TSB involves flash reprogramming the powertrain control module (PCM), or for vehicles equipped with a 2.8L turbo diesel engine, flash reprogramming the transmission control module (TCM) with new software. This applies to 2008 Chrysler Pacifica, 2008-2009 Town & Country/Grand Voyager, 2009-2010 Journey and 2007-2009 Sebring, Avenger and Sebring convertible vehicles.

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Ford Focus ignition profile

Some 2006-2007 Ford Focus vehicles (and 2007 Escape) equipped with the 2.3L engine and MTX-75 manual transaxle may exhibit an intermittent MIL-on or flashing with multiple misfire DTCs P0316, P0300, P0301, P0302, P0303 or P0304 present in the PCM with or without drivability problems. This concern may be due to the PCM ignition profile being set incorrectly.

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