Loss of Communication with Key Fob
2011-2015 Ford Explorer 3.5L V6
Description
The vehicle cannot communicate with the key fob for keyless entry or push-button start.
Symptoms
- Keyless entry not working
- Push-button start not detecting key
- Key fob not recognized
- Place key in backup location message
Common Causes
- Key fob battery dead
- Key fob internal failure
- Vehicle receiver failure
- Fuse blown
- Antenna module failure
- RF interference
Diagnostic Steps
- Replace key fob battery
- Test with spare key fob
- Check keyless entry receiver fuse
- Test key fob signal with diagnostic tool
- Check for RF interference sources
Repair Notes
Replace key fob battery first. Test with second key. If both keys fail, check vehicle receiver module.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0005High Speed CAN Communication Bus (+) High
U1088 on Other Vehicles
Ford Bronco
2021-2024 2.3L I4 EcoBoost
Ford Bronco
2021-2024 2.7L V6 EcoBoost
Ford Bronco Raptor
2022-2024 3.0L V6 EcoBoost
Ford Bronco Sport
2021-2024 1.5L I3 EcoBoost
Ford Bronco Sport
2021-2024 2.0L I4 EcoBoost
Ford Crown Victoria
1998-2011 4.6L V8 Modular 2V
Ford E-150
1997-2014 4.6L V8 Triton
Ford E-150
1997-2014 5.4L V8 Triton
Common Questions
What does code U1088 mean on a 2011-2015 Ford Explorer?
U1088 stands for "Loss of Communication with Key Fob". The vehicle cannot communicate with the key fob for keyless entry or push-button start.
What are the symptoms of U1088 on a Ford Explorer?
Common symptoms of U1088 include: Keyless entry not working, Push-button start not detecting key, Key fob not recognized, Place key in backup location message.
What causes U1088 on a 2011-2015 Ford Explorer?
Common causes of U1088 include: Key fob battery dead, Key fob internal failure, Vehicle receiver failure, Fuse blown, Antenna module failure, RF interference.