# Service bulletin TSB 19\-2116

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: 10159463
- Published by NHTSA: 2019\-05\-06
- Manufacturer's number: TSB 19\-2116
- Manufacturer's date: 2019\-04\-16
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Some 2016\-2019 Fiesta vehicles built on or before 19\-Feb\-2019 may exhibit an illuminated malfunction indicator lamp \(MIL\) with diagnostic trouble code \(DTC\) P0128 stored in the powertrain control module \(PCM\). This may be due to some PCM software parameters related to engine temperature. To resolve the condition, reprogram the PCM.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10159463-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10159463-9999.pdf)

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

## Components

Engine

## Trouble codes named

P0128

## Vehicles listed

- 2016 to 2019 FORD FIESTA

## Other bulletins for the same vehicles and component

- [26L02](/bulletins/11036546.md), 2026-09-01, Other: UNKNOWN OR OTHER; ENGINE. Customer Satisfaction Program 26L02 Certain 2014\-2021 Model Year Various Vehicles 1.0L Fox Classic Engine Timing Belt and Oil Pump Belt Interval Change
- [SSM 52335](/bulletins/10251952.md), 2024-03-20, Service bulletin: ENGINE AND ENGINE COOLING. For 2015\-2024 Ford and Lincoln vehicles equipped with turbocharged engines and customer concern of an engine oil leak, refer to Workshop Manual \(WSM\), Section 303\-00 for oil leak inspection and testing methods. Ford has evaluated turbochargers replaced for oil leak symptoms and although oil may collect on the external surface of a turbocharger, it is extremely rare for a turbocharger assembly to be the root cause of the oil leak. Careful inspection of the turbocharger oil feed and drain tubes should be performed along with the recommended WSM procedures as needed. Warranty claims for turbocharger replacement going forward will be assessed.
- [SSM 49821](/bulletins/10194428.md), 2021-06-01, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE AND ENGINE COOLING. Some 2015\-2021 Ford and Lincoln vehicles may exhibit an illuminated MIL with diagnostic trouble codes \(DTC\) P0011, P0012, P0014, P0015, P0016, P0017, P0018, P0019, P0021, P0022, P0024 and/or P0025. This may be due to small debris causing the VCT solenoid to stick. Before attempting any component diagnosis or replacement of the VCT solenoid, refer to Powertrain Control and Emissions Diagnosis \(PC/ED\) pinpoint test HK11 to cycle the affected VCT solenoid 10 times to attempt to clear the debris. For claiming, use causal part 6M280 and applicable labor operations in Section 10 of the Service Labor Time Standards \(SLTS\) Manual.
- [16B11](/bulletins/10183750.md), 2020-12-07, Service bulletin: ENGINE AND ENGINE COOLING. In all of the affected vehicles, an incorrect high speed cooling fan relay was installed.
- [SSM 49210](/bulletins/10180428.md), 2020-10-06, Service bulletin: ENGINE AND ENGINE COOLING. Some 2009\-2020 Ford and Lincoln vehicles equipped with turbochargers may exhibit an oil leak from the turbocharger oil supply or return tubes, O\-rings or 6.7L pedestal gasket. Although oil may collect on the turbocharger, it is very rare for a turbocharger to leak oil. To isolate the source of the leak, refer to Workshop Manual \(WSM\), Section 303\-00 General Information \> Diagnosis and Testing \> Engine \> Engine Oil Leaks \- Fluorescent Oil Additive Method procedure. When an oil leak is present at a turbocharger oil supply or drain tube, remove the affected oil tube and inspect for damage, and replace the O\-ring seals, pedestal gasket or oil tube as required. Refer to WSM, Section 303\-04. For claiming, use the affected oil tube or pedestal gasket as the causal part and applicable labor operations in Sections 6 and 9 of the Service Labor Time Standards \(SLTS\) Manual.
- [SSM 47751](/bulletins/10153971.md), 2019-03-04, Service bulletin: ENGINE. Some 2018\-2019 Fiesta vehicles may exhibit an illuminated MIL with DTC P0128 stored in the powertrain control module \(PCM\). If the vehicle exhibits this DTC, clear all DTCs and allow the vehicle to sit for a minimum of 3 hours. Then drive the vehicle for at least 16 km \(10 miles\) and retest for DTCs. If DTC P0128 does not return, do not replace the thermostat valve, release the vehicle at this time. If DTC P0128 returns, refer to the Powertrain Control/Emissions Diagnosis \(PC/ED\) Manual for normal diagnostics. Engineering is investigating, monitor OASIS for updates.
- [SSM 47587](/bulletins/10148728.md), 2018-11-19, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING. 2014\-2017 Fiesta, 2015\-2018 Focus, 2018\-2019 Ecosport vehicles equipped with a 1.0L EcoBoost engine may exhibit coolant consumption,white smoke and/or a runs rough condition. Refer to the extended coolant pressure test in Workshop Manual \(WSM\), Section 303\-03. If no external coolant loss is confirmed, further investigation of the integrated exhaust manifold \(IEM\) interface is required. Carefully inspect the manifold port area for cracks. If a crack is found, follow the cost cap tool for component replacement. Follow WSM, Section 303\-01 for the repair procedures
- [tsb18\-2185](/bulletins/10144182.md), 2018-09-10, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING. This article supersedes TSB 18\-2024 to update the model years. Some 2011\-2018 Fiesta vehicles may exhibit a lack of heat resulting from a frozen blower motor. This may be caused by snow entering through the cowl panel grille and screen assemblies. Snow may melt in the heating, ventilation and air conditioning \(HVAC\) case allowing water to enter the blower motor and freeze during a below freezing overnight soak. Blower motor fuse F4 in the battery junction box \(BJB\) may also be open and the cabin air filter may be saturated. Follow the Service Procedure steps to correct the condition.
- [18L02](/bulletins/10143114.md), 2018-07-23, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Certain 2017 Model Year Multiple Vehicle Lines \- California Emission Warranty Parts Coverage
- [18M02](/bulletins/10143113.md), 2018-07-23, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Certain 2017 Model Year Multiple Vehicle Lines \- California Emission Warranty Parts Coverage

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