U0211low severityNetwork
Lost Communication With Door Switch B
on 2007 Ford Escape 3.0L V6 Duratec · AWD
What this code means
The network lost communication with door switch B. Door open detection and related features may fail.
Symptoms
- Incorrect door ajar indicator
- Dome light stays on or off
- Alarm triggers falsely
Common causes
- Faulty door switch B
- Broken wire in door boot
- Corroded connector
- Fuse failure
Diagnostic steps
- Retrieve stored fault codes
- Inspect wiring through door boot
- Check connector integrity
- Verify switch signal with scan tool
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
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Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITEShop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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Other Network codes on this vehicle
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High
U0009
High Speed CAN Communication Bus Shorted Together
U0010
Medium Speed CAN Communication Bus