The below Technical Service Bulletins, TSB for short, were issued for the 2014 Mustang and contain symptom, diagnosis, and repair information for common issues. Click the TSB ID numbers below to see the full TSB, there is also a brief description of the TSB below the number.
Some 2011-2014 Mustang vehicles equipped with a 6R80 transmission and built on or before 4/8/2013 may exhibit a transmission engagement in 5th gear when starting. The wrench indicator and/or the seat belt minder may be illuminated, the speedometer reads zero and the odometer displays dashes while driving. Symptoms may clear after an ignition key cycle. Diagnostics trouble codes (DTCs) P0720 and P0722 may or may not be stored in the powertrain control module (PCM).
Some 2011-2014 Mustangs equipped with a 5.0L engine and built on or before 5/1/2013 may exhibit a MIL illuminated with any combination of diagnostic trouble codes (DTCs) P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307,
P0308 and/or P0316. There will be no other DTCs or drivability symptoms present.