Ford Issues Technical Service Bulletin for Mustang Shelby GT350

As all of us gearheads know, the ultimate expression of the sixth-generation Ford Mustang is the Shelby GT350. The thing is, high-performance cars are not without fault. If you own a white-knuckle GT350 built on or before February 26, 2016, then read on.
Technical Service Bulletin 16-0085 for Ford Mustang Shelby GT350 5 photos
Photo: Elean0r on the forum
Technical Service Bulletin 16-0085 for Ford Mustang Shelby GT350Technical Service Bulletin 16-0085 for Ford Mustang Shelby GT350Technical Service Bulletin 16-0085 for Ford Mustang Shelby GT350DTC p0720 and DTC P0722 descriptions
According to TSB 16-0085, the Blue Oval highlights that the Shelby GT350 could suffer from a rather peculiar defect. In the technical service bulletin posted by Elean0r on the forum, we’re told that “some 2015 and 2016 Mustang vehicles equipped with a 5.2L twin independent variable camshaft timing (Ti-VCT) engine and built on or before 2//26/2016 may exhibit an intermittent illuminated MIL with DTCs P0720 and P0722 present.” Wait, what's that supposed to mean?

MIL is an acronym for malfunction indicator lamp, while DTC stands for diagnostic trouble codes. DTC P0720 signals a malfunctioning output shaft speed sensor. If the transmission control module doesn’t receive the proper voltage signal from the sensor, then yes, the output shaft speed sensor is kaput.

The description for DTC P0722, on the other hand, tells us that the error occurs when the output shaft speed sensor signal “is missing upon the initial movement of the vehicle.” Owners who experience the diagnostic trouble codes will have to get the transmission replaced. Of course, FoMoCo will foot the bill.

Even though Ford expects the replacement to take up to 4.5 hours, owners of the Shelby GT350 will undoubtedly wait for more than that to get their cars fixed if the transmission is complemented by an oil cooler. Another downside is the waiting game. All the parts needed to replace the Tremec TR-3160 6-speed manual transmission and to bleed the clutch system are not that common, to be honest.

If you happen to own a Ford Mustang Shelby GT350 or the more track-focused GT350R, then call your nearest Ford dealership as soon as possible for more details on the problem presented in this story.
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About the author: Mircea Panait
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After a 1:43 scale model of a Ferrari 250 GTO sparked Mircea's interest for cars when he was a kid, an early internship at Top Gear sealed his career path. He's most interested in muscle cars and American trucks, but he takes a passing interest in quirky kei cars as well.
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