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Service bulletin APU-12A04

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10051743
Published by NHTSA2013-04-09
Manufacturer's numberAPU-12A04
Manufacturer's date2013-01-14
ReplacesAPU-12A04-A
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

FORD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A SOFTWARE UPGRADE IS AVAILABLE FOR CERTAIN VEHICLES. MODELS 2012-2013 EDGE, EXPLORER, MKX, FOCUS, ESCAPE, FLEX, FUSION, TAURUS, MKS, MKT, F-150. *PE UPDATED 5/10/13. *PE UPDATED 9/17/13. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Software

Vehicles listed
FORD EDGE2012, 2013
FORD ESCAPE2013
FORD EXPLORER2012, 2013
FORD F-1502012, 2013
FORD FLEX2013
FORD FOCUS2012, 2013
FORD FUSION2013
FORD TAURUS2013
LINCOLN MKS2013
LINCOLN MKT2013
LINCOLN MKX2013

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
TSB 20-22782020-11-05. Service bulletin. Some 2013-2018 F-150 vehicles equipped with Electronic Shift On-The-Fly (ESOF) 4-wheel drive (4WD) may exhibit an intermittent grinding noise while driving in 2-wheel drive (2WD) mode most commonly on acceleration. This may be due to a loss of vacuum to the integrated wheel end (IWE) actuators and/or wear of the IWE components. To correct the condition, follow the Service Procedure steps to reprogram the transfer case control module (TCCM) and replace any worn vacuum and/or IWE components.
SSM 463712017-03-20. Service bulletin. SOME 2012-2017 FOCUS ELECTRIC/2013-2017 CMAX ENERGI/FUSION ENERGI/2015-2017 MKC/MKZ/2016-2017 MKX AND 2017 CONTINENTAL VEHICLES OPERATING WITH A 3G TCU ON OR BEFORE 16-JAN-2017 MAY NOT RESPOND TO CUSTOMERS REMOTE COMMANDS VIA MYLINCOLN/MYFORD MOBILE PHONE APPLICATIONS. 2G NETWORKS WERE DECOMMISSIONED ON 16-JAN-2017. IF THE 3G TCU WAS OPERATING ON A 2G NETWORK, IT WILL NOT AUTOMATICALLY ATTEMPT TO RECONNECT TO THE REPLACEMENT 3G NETWORK. TO CORRECT, RESET THE TCU BY REMOVING ITS POWER FUSE FOR 5 MINUTES. IF THE CONCERN IS STILL PRESENT, FOLLOW NORMAL DIAGNOSTICS IN WORKSHOP MANUAL (WSM), SECTION 415-00. REFER TO PTS OASIS HOME PAGE FOR TCU VERSION IDENTIFICATION. FOR CLAIMING, USE CAUSAL PART 14G229 AND APPLICABLE LABOR OPERATIONS IN SECTION 10 OF THE SERVICE LABOR TIME STANDARDS (SLTS) MANUAL.
SSM-458662016-09-24. Service bulletin. 2013-2016 FOCUS/C-MAX - REMOTE KEYLESS ENTRY (RKE) PROGRAMING CONCERNS
SSM-458612016-09-24. Service bulletin. STEERING COLUMN CONTROLS INOPERATIVE WITH POSSIBLE U0212 - BUILT ON OR BEFORE 3/20/2015
SSM-458212016-08-30. Service bulletin. SIRI EYES FREE FUNCTIONAL ISSUES USING BLUETOOTH AND APPLE IOS 9.2 AND 9.2.1
16-00522016-06-22. Service bulletin. 1.6L GTDI - SERVICE ENGINE SOON LIGHT - DTC P26B7 - BUILT ON OR BEFORE 2/13/2013 ISSUE Some 2013 Escape vehicles equipped with 1.6L Gasoline Turbocharged Direct Injection (GTDI) engine built on or before 2/13/2013 may exhibit a service engine soon lamp illuminated with diagnostic trouble code (DTC) P26B7 stored in powertrain control module (PCM) memory. This DTC indicates a fault is present with coolant bypass solenoid C, located at the rear of the engine above the starter/bell housing and below the vacuum pump. SERVICE PROCEDURE 1. Using the Ford Integrated Diagnostic System (IDS) service tool or equivalent scan tool, retrieve continuous memory DTCs. Is DTC P26B7 present in PCM memory? a. Yes - proceed to Steps 2. b. No - this article does not apply. Refer to the Powertrain Control/Emissions Diagnosis (PC/ED) manual for normal diagnostics. 2. Replace the engine coolant bypass valve with a new service part. Refer to Workshop Manual (WSM), Section 303-03. 3. Reprogram the PCM to the latest calibration using IDS release 83.03 or higher. Make sure you are connected to the internet when entering module programming to obtain the latest updates. Calibration files may also be obtained at www.motorcraft.com.
CSP-15B-222016-06-22. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
TSB-15-01212016-06-22. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-15B222015-11-09. Service bulletin. ON CERTAIN VEHICLES, TRANSMISSION CONTROL MODULE (TCM) HAD DEVELOPED ELECTRICAL CIRCUIT FAILURES, RESULTING IN AN INTERMITTENT TRANSMISSION ENGAGEMENT LOSS WHILE DRIVING OR A LACK OF POWER OR NO START AND SOFTWARE NEEDS TO BE REPLACED *CN
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