P0381
Glow Plug/Heater Indicator Circuit
2013-2018 Ram 2500 6.7L I6 Cummins Diesel
Low SeverityPowertrainGeneric (SAE)
Description
Malfunction in the glow plug indicator (dashboard wait-to-start light) circuit.
Symptoms
- Wait-to-start light not working
- No glow plug indication
- Light stays on too long
Common Causes
- Burnt out indicator bulb
- Wiring issue
- Glow plug module fault
- Instrument cluster issue
Diagnostic Steps
- Test indicator bulb
- Check wiring
- Test glow plug module output
Repair Notes
Replace bulb or repair wiring.
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P0381 on Other Vehicles
Common Questions
What does code P0381 mean on a 2013-2018 Ram 2500?
P0381 stands for "Glow Plug/Heater Indicator Circuit". Malfunction in the glow plug indicator (dashboard wait-to-start light) circuit.
What are the symptoms of P0381 on a Ram 2500?
Common symptoms of P0381 include: Wait-to-start light not working, No glow plug indication, Light stays on too long.
What causes P0381 on a 2013-2018 Ram 2500?
Common causes of P0381 include: Burnt out indicator bulb, Wiring issue, Glow plug module fault, Instrument cluster issue.