Lost Communication with Glow Plug Control Module
2000-2003 Ford Excursion 7.3L V8 Power Stroke Diesel 🇨🇦
Description
Cannot communicate with the glow plug control module on diesel vehicles.
Symptoms
- Hard cold starting
- Glow plug light stays on
- Extended cranking
- White exhaust smoke on cold start
Common Causes
- Glow plug module failure
- CAN bus wiring issue
- Fuse blown
- Module connector corrosion
- Glow plug module water damage
Diagnostic Steps
- Check glow plug module fuse
- Test module power and ground
- Inspect module connector
- Check CAN bus wiring
- Test glow plug module directly
Repair Notes
Check fuses and power supply. Glow plug modules often fail from heat exposure.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0106 on Other Vehicles
Ford Excursion
2003-2005 6.0L V8 Power Stroke Diesel
Ford F-150
2018-2020 3.0L V6 Power Stroke Diesel
Ford F-250 Super Duty
1999-2003 7.3L V8 Power Stroke Diesel
Ford F-250 Super Duty
2003-2007 6.0L V8 Power Stroke Diesel
Ford F-250 Super Duty
2008-2010 6.4L V8 Power Stroke Diesel
Ford F-250 Super Duty
2011-2016 6.7L V8 Power Stroke Diesel
Ford F-250 Super Duty
2017-2024 6.7L V8 Power Stroke Diesel
Ford F-350 Super Duty
1999-2003 7.3L V8 Power Stroke Diesel
Common Questions
What does code U0106 mean on a 2000-2003 Ford Excursion?
U0106 stands for "Lost Communication with Glow Plug Control Module". Cannot communicate with the glow plug control module on diesel vehicles.
What are the symptoms of U0106 on a Ford Excursion?
Common symptoms of U0106 include: Hard cold starting, Glow plug light stays on, Extended cranking, White exhaust smoke on cold start.
What causes U0106 on a 2000-2003 Ford Excursion?
Common causes of U0106 include: Glow plug module failure, CAN bus wiring issue, Fuse blown, Module connector corrosion, Glow plug module water damage.