Customer Satisfaction Program 21B26 – Secondary Timing Chain Tensioner – 2020 Ford Mustang GT500/GT350

2020 Ford Mustang Shelby GT500

NHTSA ID Number: 10198613 Manufacturer Communication Number: 21B26-S1 Summary In some of the affected vehicles, the engine’s secondary timing chain tensioner may not have been properly activated during assembly, which could result in a timing loss. Timing loss could lead to internal engine damage, a rough running engine , and engine misfires.     PROGRAM TERMS  This … Read more

No Crank/No Start With No PCM Communication – 2020-2021 Ford Mustang GT500

2021 Ford Mustang Shelby GT500

NHTSA ID Number: 10203650 Manufacturer Communication Number: TSB 21-2390   Summary Some 2020-2021 Mustang GT500 vehicles built on or before 30-June-2021 may exhibit a no crank/no start with no powertrain control module (PCM) communication condition if the oil level is approximately 1 or more quarts low and the oil life is at or less than 20%. This … Read more

Hood Ajar Indicator Illuminated And Message Displayed, Proper Procedure To Close The Hood – 2020 Ford Mustang Shelby GT500

2020 Ford Mustang Shelby GT500

NHTSA ID Number: 10172993 Manufacturer Communication Number: SSM 48660 Summary SSM 48660 – 2020 Mustang Shelby GT500Hood Ajar Indicator Illuminated And Message Displayed, Proper Procedure To Close The Hood Some 2020 Mustang Shelby GT500 vehicles may exhibit a hood ajar indicator being illuminated, and/or a hood ajar message displayed in the information display. This may … Read more

12L09 – Owner’s Guide Supplement Update – Spark Plug Gap Correction – 2013 Ford Mustang Shelby GT500

October 24, 2012 TO: All U.S. Ford and Lincoln Dealers SUBJECT: Special Field Action 12L09 Certain 2013 Model Year Mustang Shelby GT500 Vehicles Owner’s Guide Supplement Update – Spark Plug Gap Correction   AFFECTED VEHICLES Certain 2013 model year Mustang Shelby GT500 vehicles built at the Auto Alliance Assembly Plant from Job 1 through June … Read more

Steering Shudder Pull Drift while Braking – 2011 Mustang Shelby GT500

TSB 10-16-4 5.4L – STEERING SHUDDER/NIBBLE/PULL/DRIFT – BUILT ON OR BEFORE 8/2/2010   FORD: 2011 Mustang   ISSUE: Some 2011 Mustang Shelby GT500 vehicles equipped with a 5.4L engine and built on or before 8/2/2010 may exhibit steering wheel shudder under heavy braking, steering wheel nibble, or a drift/pull condition.   ACTION: Reprogram the Electric … Read more