Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2011 Ford Explorer AWD V6-3.5LFACTORY OEM SERVICE PROCEDURE
Engine/Drivetrain Controls - AWD Lamp ON/DTC P188D Set
TSB 11-4-1
04/27/11
AWD - FALSE DTC P188D - BUILT ON OR BEFORE
2/24/2011
FORD:
2011 Explorer
ISSUE
Some 2011 Explorer vehicles equipped with all-wheel drive (AWD) and built on or before 2/24/2011 may exhibit a wrench light on and/or AWD light on with a diagnostic trouble code (DTC) P188D in the system.
ACTION
Reprogram the powertrain control module (PCM) to the latest calibration using IDS release 72.01 and higher. This new calibration is not included in the VCM 2011.3 DVD. Calibration files may also be obtained at the website.
NOTE
PLEASE ADVISE THE CUSTOMER THAT THIS VEHICLE IS EQUIPPED WITH AN ADAPTIVE TRANSMISSION SHIFT STRATEGY WHICH ALLOWS THE VEHICLE'S COMPUTER TO LEARN THE TRANSMISSION'S UNIQUE PARAMETERS AND IMPROVE SHIFT QUALITY. WHEN THE ADAPTIVE STRATEGY IS RESET, THE COMPUTER WILL BEGIN A RE-LEARNING PROCESS. THIS RE-LEARNING PROCESS MAY RESULT IN FIRMER THAN NORMAL UPSHIFTS AND DOWNSHIFTS FOR SEVERAL DAYS.
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.
OPERATION DESCRIPTION TIME
110401A 2011 Explorer AWD: 0.3 Hr.
Check DTCs And
Reprogram The PCM (Do
Not Use With Any Other
Labor Operations)
DEALER CODING
CONDITION
BASIC PART NO. CODE
RECAL 04
Disclaimer
04/27/11
AWD - FALSE DTC P188D - BUILT ON OR BEFORE
2/24/2011
FORD:
2011 Explorer
ISSUE
Some 2011 Explorer vehicles equipped with all-wheel drive (AWD) and built on or before 2/24/2011 may exhibit a wrench light on and/or AWD light on with a diagnostic trouble code (DTC) P188D in the system.
ACTION
Reprogram the powertrain control module (PCM) to the latest calibration using IDS release 72.01 and higher. This new calibration is not included in the VCM 2011.3 DVD. Calibration files may also be obtained at the website.
NOTE
PLEASE ADVISE THE CUSTOMER THAT THIS VEHICLE IS EQUIPPED WITH AN ADAPTIVE TRANSMISSION SHIFT STRATEGY WHICH ALLOWS THE VEHICLE'S COMPUTER TO LEARN THE TRANSMISSION'S UNIQUE PARAMETERS AND IMPROVE SHIFT QUALITY. WHEN THE ADAPTIVE STRATEGY IS RESET, THE COMPUTER WILL BEGIN A RE-LEARNING PROCESS. THIS RE-LEARNING PROCESS MAY RESULT IN FIRMER THAN NORMAL UPSHIFTS AND DOWNSHIFTS FOR SEVERAL DAYS.
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.
OPERATION DESCRIPTION TIME
110401A 2011 Explorer AWD: 0.3 Hr.
Check DTCs And
Reprogram The PCM (Do
Not Use With Any Other
Labor Operations)
DEALER CODING
CONDITION
BASIC PART NO. CODE
RECAL 04
Disclaimer
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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