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.
2020 Ford Escape Titanium Plug-In HybridFACTORY OEM SERVICE PROCEDURE
Qt: Powertrain Control Module (Pcm)/Secondary On Board Diagnostic Module (SOBDMC) Quick Test
- QT1 CARRY OUT THE NETWORK TEST WARNING: TO PREVENT THE RISK OF HIGH-VOLTAGE SHOCK, ALWAYS FOLLOW PRECISELY ALL WARNINGS AND SERVICE INSTRUCTIONS, INCLUDING INSTRUCTIONS TO DEPOWER THE SYSTEM. THE HIGH-VOLTAGE HYBRID SYSTEM UTILIZES APPROXIMATELY 300 VOLTS DC, PROVIDED THROUGH HIGH-VOLTAGE CABLES TO ITS COMPONENTS AND MODULES. THE HIGH-VOLTAGE CABLES AND WIRING ARE IDENTIFIED BY ORANGE HARNESS TAPE OR ORANGE WIRE COVERING. ALL HIGH-VOLTAGE COMPONENTS ARE MARKED WITH HIGH-VOLTAGE WARNING LABELS WITH A HIGH-VOLTAGE SYMBOL. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN SERIOUS PERSONAL INJURY OR DEATH.
- Carry out all the safety steps required to run the vehicle tests.
- Complete the preliminary checks looking for obvious concerns that may relate to the symptom. Check items such as those listed:
- fuses
- electrical circuits and connectors
- vacuum lines (leaks, routing)
- intake air system (leaks, restrictions)
- fuel quality
- engine cooling system (engine operating at correct temperature)
- motor electronics cooling system
- Access any related OASIS or TSB information.
- Carry out the network test.
Does the network test pass?
Yes No GO to QUICK TEST QT2 . For only the PCM has a communication concern,
GO to PINPOINT TEST QA .
For only the SOBDMC has a communication concern,
GO to PINPOINT TEST QD .
For all others,
GO to the Module Communications Network article, to diagnose the network concern. - QT2 CARRY OUT THE PCM AND SOBDMC QUICK TEST NOTE: Make sure the low voltage battery is fully charged and the low voltage system is operating correctly. Low voltage concerns may be a possible cause of a DTC.
Factory Service Tools
Use the Manual With the Right Hardware
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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.