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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD2021EXPLORER XLT, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX (FOUR WHEEL DRIVE SYSTEM - PARKING AID SYSTEM)MODULE COMMUNICATIONS NETWORK
2021 Ford Explorer XLT, RWD
Module Communications Network
2021 Ford Explorer XLT, RWDSECTION Module Communications Network
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
| DTC | Description | Action |
|---|---|---|
| U2100:00 | Initial Configuration Not Complete: No Sub Type Information | GO to Pinpoint Test AW |
| U3000:44 | Control Module: Data Memory Failure | GO to Pinpoint Test AV |
| U3000:45 | Control Module: Program Memory Failure | GO to Pinpoint Test AV |
| U3000:46 | Control Module: Calibration / Parameter Memory Failure | GO to Pinpoint Test AV |
| U3000:47 | Control Module: Watchdog / Safety μC Failure | GO to Pinpoint Test AV |
| U3000:49 | Control Module: Internal Electronic Failure | GO to Pinpoint Test AV |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.