P0383moderate severityPowertrain
Glow Plug Control Module Control Circuit Low
on 2003 Ford Excursion 7.3L V8 Power Stroke Diesel · 4WD
What this code means
Low voltage in glow plug control module circuit.
Symptoms
- Hard starting
- Glow plugs not activating
Common causes
- Short to ground
- Module failure
- Wiring damage
Diagnostic steps
- Test voltage
- Check for shorts
- Test module
Repair notes
Repair wiring or replace module.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1