Some 2013-2014 Ford Focus ST vehicles may exhibit a difficult-to-start, rough running, crank-no-start, lack of power, loss of idle rpm or hesitation concerns, along with DTC P0106 and/or P0236. These conditions may be caused by a wiring concern in signal return splices.
This bulletin applies to 2014 Jeep Grand Cherokee vehicles equipped with a 5.7L engine and built before March 12, 2013, and equipped with the Parksense FT/RR Park Assist System.
This bulletin applies to 2014 GMC Sierra 2500/3500 4WD vehicles. In “rare” cases, customers may experience one or all of eight issues ranging from no vehicle power to radio clock resets.
This bulletin applies to 2010-2014 Buick LaCrosse vehicles where an intermittent no-crank concern is found.
For concerns with the secondary air injection system on 2009 and later Volkswagen Jetta Sportwagens equipped with the 2.5L engine, make sure that the combi-valve has been tested thoroughly. The combi-valve can be tested using the output diagnosis in address 01 0 engine electronics (ECM).
Some 2013 Fords Explorer vehicles including Police Interceptors equipped with a 3.5L GTDI engine may exhibit long crank-to-start times and delayed/harsh downshifts when commanded in the middle of a 4-5 or 3-5 upshift and delayed upshifts from 3rd, 4th or 5th gear when transmission fluid temperature is below 70 degrees Fahrenheit.
This bulletin applies to 2013 Jeep Wranglers equipped with a 2.8L engine and built before Oct. 10, 2012. The customer may experience a no-crank/no-start condition. Upon diagnosis, the technician may find an active B2204 ECU configuration mismatch. This condition may be caused by the vehicle’s voltage dropping below 4.5 volts for greater than 200 msec. The WCM will lose information from the EEPROM. Lost information can include key programming.
Some 2010 Lincoln MKX vehicles may exhibit an intermittent C1963 DTC with no other DTCs present in the anti-lock brakes (ABS), powertrain control module (PCM) or steering angle sensor module (SASM). The customer may observe an intermittent stability control system/traction control light illumination.
Owners of 2007-2014 Cadillac Escalade vehicles may complain that the power liftgate is inoperative from all switches and the keyless entry transmitter only when the ignition is in the off position. If the ignition is in the accessory or run position, the liftgate will operate correctly.
This bulletin applies to 2012-2014 Chevy Tahoe vehicles that exhibit unwanted grade braking, low power and/or a busy-shifting transmission. These issues may be caused by the BPP (brake pedal position) sensor not being learned correctly in the ECM.