P0381 DODGE - Glow Plug/Heater Indicator Circuit Malfunction
P0381 DODGE Possible Causes
- Faulty Glow Plug
- Glow Plug harness is open or shorted
- Glow Plug circuit poor electrical connection
First diagnose P0381 DODGE code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
Cost of diagnosing the P0381 DODGE code
Labor: 1.0The cost of diagnosing the P0381 DODGE code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
When is the P0381 DODGE code detected?- The glow plugs are commanded OFF and the glow plug feedback is more than 2 volts. or
- The glow plugs are commanded on and the glow plug feedback is not between 5 volts and 6.2 volts.
P0381 DODGE Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- The engine may be harder to start
P0381 Dodge DescriptionThe glow plug system is used to assist in providing the heat required to begin combustion during cold engine temperatures. The glow plugs are heated before and during cranking, as well as initial engine operation. The engine control module (ECM) controls the glow plug ON times by monitoring coolant temperature and glow plug voltage. The California Glow Plug system has eight individual glow plug supply circuits between the controller and the glow plugs. If the feedback voltage from the controller to the ECM is not within range, DTC P0380 will set.
P0381 DODGE More InformationNeed more information on how to fix the P0381 DODGE code?
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