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Home >> Ford >> 2021 >> Explorer Timberline >> Repair and Diagnosis >> External Pages >> Different car >> Section 163 (MULTIFUNCTION Electronic Modules) >> Diagnosis And Testing >> Generic Function Module 2 (GFM2) >> Symptom Chart
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Symptom Chart

WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Possible Sources Action
No  GFM2 controlled systems are operational Refer to pinpoint test. GO to Pinpoint Test A 
Some  GFM2 controlled systems are operational Upfitter fuses
Upfitter relays
Upfitter wiring
Upfitter devices
GFM2		 REFER to upfitter wiring and check upfitter relays, wiring and devices.
If no concerns are found with upfitter relays, wiring or devices, INSTALL a new GFM2. REFER to: Generic Function Module 2 (GFM2) .
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