# Service bulletin SSM 50616

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10209230
- Published by NHTSA: 2022\-03\-22
- Manufacturer's number: SSM 50616
- Manufacturer's date: 2022\-03\-18
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Some 2017\-2022 Ford GT vehicles may exhibit a runs rough or hard start with or without an illuminated MIL with DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306 and/or P0316. Prior to performing any diagnostics, determine if the vehicle operating conditions may have resulted in multiple cold engine start\-ups without allowing the engine to reach normal operating temperature and being driven. If that operating condition is determined, inspect the spark plugs per Workshop Manual \(WSM\), Section 303\-00 and repair as directed. If no concern with spark plugs are found, proceed with normal diagnostics per the Powertrain Controls/Emission Diagnosis \(PC/ED\) Manual. Upon returning the vehicle, refer the customer to the owners guide regarding proper driving cycles.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10209230-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10209230-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Trouble codes named

P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0316

## Vehicles listed

- 2017 to 2022 FORD GT

## Other bulletins for the same vehicles and component

- [21B26](/bulletins/10191520.md), 2021-05-04, Service bulletin: ENGINE AND ENGINE COOLING. Certain 2020 Model Year Mustang GT500/GT350 Equipped with a 5.2L Engine Secondary Timing Chain Tensioner In some of the affected vehicles, the engines 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.
- [TSB 21\-2011](/bulletins/10189765.md), 2021-04-03, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING. Some 2020 Mustang GT500 vehicles built on or before 28\-Aug\-2020 may exhibit various concerns with the active exhaust system. These may include "Drive Mode Not Available" or "Exhaust Mode Not Available" messages, and/or diagnostic trouble codes \(DTCs\) P26C5, P26C6, P26FE, P2BF9, P2BFB, P26C7, P2BF5, P2BF8, P2BFD, and/or P2BFA. This may be due to pinched wiring or a misaligned bracket where the exhaust actuator mounts. To correct the condition, follow the Service Procedure to make sure that the exhaust is seated correctly.
- [SSM 49536](/bulletins/10187921.md), 2021-03-03, Service bulletin: ENGINE AND ENGINE COOLING. Some 2017\-2021 Ford GT vehicles may exhibit a runs rough or hard start with or without an illuminated MIL with DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306 and/or P0316. Prior to performing any diagnostics, determine if the vehicle operating conditions may have resulted in multiple cold engine start\-ups without allowing the engine to reach normal operating temperature and being driven. If that operating condition is determined, inspect the spark plugs per Workshop Manual \(WSM\), Section 303\-00 and repair as directed. If no concern with spark plugs are found, proceed with normal diagnostics per the Powertrain Controls/Emission Diagnosis \(PC/ED\) Manual. Upon returning the vehicle, refer the customer to the owners guide regarding proper driving cycles.
- [SSM 49028](/bulletins/10177874.md), 2020-08-04, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Some 2017\-2020 Ford GT vehicles may exhibit a runs rough or hard start with or without an illuminated MIL with DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306 and/or P0316. Prior to performing any diagnostics, determine if the vehicle operating conditions may have resulted in multiple cold engine start\-ups without allowing the engine to reach normal operating temperature and being driven. If that operating condition is determined, inspect the spark plugs per Workshop Manual \(WSM\), Section 303\-00 and repair as directed. If no concern with spark plugs are found, proceed with normal diagnostics per the Powertrain Controls/Emission Diagnosis \(PC/ED\) Manual. Upon returning the vehicle, refer the customer to the owners guide regarding proper driving cycles.

JSON: [/v1/bulletins/10209230](/v1/bulletins/10209230)

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