5.0L – Illuminated Malfunction Indicator Lamp (MIL) With Diagnostic Trouble Codes (DTCs) P0390 And/Or P0394 – 2018-2019 Ford Mustang & 2018 F-150

NHTSA ID Number: 10153930

Manufacturer Communication Number: TSB 18-2360

Summary

Some 2018 F-150 and 2018-2019 MustangeBay logo vehicles equipped with a 5.0L engine may exhibit an illuminated MIL with DTCs P0390 and/or P0394 stored in the powertrain control module (PCM). Follow the Service Procedure steps to correct the condition.

 

3 Affected Products

Vehicles

FORDeBay logoF-1502018
FORDeBay logoMUSTANGeBay logo2018-2019

 


Model:

FordeBay logo

2018 F-150

2018-2019 MustangeBay logo

 

Issue: Some 2018 F-150 and 2018-2019 MustangeBay logo vehicles equipped with a 5.0L engine may exhibit an illuminated MIL with DTCs P0390 and/or P0394 stored in the powertrain control module (PCM).

 

Action: Follow the Service Procedure steps to correct the condition.

 

Parts

DescriptionPart NumberQuantity
Exhaust VCT Oil Control SolenoidHL3Z-6M280-A1
Valve Cover Gasket (Left Side)JL3Z-6584-D1
Valve Cover Spark Plug SealHL3Z-6C535-A1
VCT Solenoid Valve Cover SealBR3Z-6C535-A

Last update on 2026-07-01 / Affiliate links / Images from Amazon Product Advertising API


 

1
Strut Tower Brace NutW712334-S4404
Motorcraft® Silicone Gasket and SealantTA-30
Ford Genuine Ford Fluid TA-31 RTV Silicone Sealant - 5 oz.
  • A specially designed alkoxy cure RTV sealant for high temperature applications
  • Specifically recommended for use with the 7.3L power stroke, 6.0L and 6.4L diesel engine
  • High viscosity material which starts to cure in minutes
  • Non-corrosive sealant
  • Formulated for automotive use

Last update on 2026-07-04 / Affiliate links / Images from Amazon Product Advertising API


 

1
Motorcraft® Silicone Gasket RemoverZC-30-A
Genuine Ford Fluid ZC-30 Silicone Gasket Remover - 12 oz.
  • Specifically formulated to soften cured RTV and residue left from multi-layer steel gaskets
  • Allows removal of gasket residue with a plastic or wood scraper
  • Safe for aluminum and cast iron gasket surfaces
  • Assures a safe cleaning process without risk of damaging the sealing surface
  • Eliminates the need for metal tools or abrasives for removing gasket residue

Last update on 2026-07-03 / Affiliate links / Images from Amazon Product Advertising API


 

1
Motorcraft® Metal Surface Prep WipesZC-31-B
Motorcraft - Towelette-Metal C (ZC31B)
  • Leading Manufacturer Of High-Quality Products
  • International Renown For Our Diverse Range Of Award-Winning Products
  • Fully Equipped With State-Of-The-Art Technology
  • All Products Have Been Designed With The Professional In Mind
  • Constantly Modernizing Our Powerful Devices To Meet The Demands Of The Modern User

Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API


 

1
Motorcraft® Metal Brake Parts Cleaner (All Markets Except Canada)PM-4-A
BRAKE CLEANER
3 Reviews

Last update on 2026-06-30 / Affiliate links / Images from Amazon Product Advertising API


 

1
Motorcraft® Metal Brake Parts Cleaner (Canada Only)PM-4-B
Motorcraft #PM4B Brake Cleaner (PM4B)
  • Genuine Motorcraft part that fits your specific vehicle
  • Brake Cleaner
  • Part Number: PM4B
  • Manufactured to meet specifications for fit, form, and function

Last update on 2026-07-01 / Affiliate links / Images from Amazon Product Advertising API


 

1

 

Tool List – All Models

1/4″Power Tool
1/4″Torque Wrench
1/4″Ratchet
1/4″7 mm Deep Socket
1/4″8 mm Deep Socket
1/4″10 mm Deep Socket
Trim Tool
Plastic Scraper
Blow Gun
Essential Special Service Tool 205-142
Essential Special Service Tool 205-153
Essential Special Service Tool 303-1247

 

Tool List – MustangeBay logo Only Additional Tools

3/8″Power Tool
3/8″Torque Wrench
3/8″Ratchet
3/8″10 mm Deep Socket
3/8″13 mm Deep Socket
3/8″15 mm Deep Socket
Pocket Screwdriver
2 Jaw Puller

 

Service Procedure

1. Using the appropriate FordeBay logo diagnostic scan tool or equivalent, retrieve DTCs. Are DTCs P0390 and/or P0394 the only DTCs stored in the PCM?

(1). Yes – proceed to Step 2.

(2). No – this article does not apply. Refer to the Powertrain Controls/Emissions Diagnosis (PC/ED) Manual for normal diagnostics.

2. Replace the bank 2 exhaust variable camshaft timing (VCT) oil control solenoid. Refer to Workshop Manual (WSM), Section 303-14.


 


18-2360
03 December 2018

https://www.nhtsa.gov/recalls?nhtsaId=10153930
https://static.nhtsa.gov/odi/tsbs/2018/MC-10153930-9999.pdf

 


 

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