What does glow plug heater circuit a mean?
Error Code P0380 is defined as Glow Plug/Heater Circuit “A” Malfunction. Meaning, there’s a problem with the glow plug heater circuit of the vehicle, causing the vehicle to have difficulty in starting and exhausting smoke.
What does engine code P0380 mean?
Glow Plug/Heater Circuit
OBD-II Code P0380 is defined as a Glow Plug/Heater Circuit “A” Malfunction. The purpose of the Glow Plugs on a diesel engine is to heat up the combustion chambers to enable a quicker cold start.
What does the p0380 glow plug code mean?
A typical diesel engine glow plug: Basically, the P0380 code means that the PCM has detected a fault in the glow plug/heater circuit “A”. Note: This DTC is very similar to P0382 which that code refers to circuit “B”. If you have multiple DTC codes, fix them in the order they appear.
What does the p0380 code on a diesel engine mean?
On some diesel engines, the PCM will operate the glow plugs for a period of time after the engine is running to reduce white smoke and engine noises. A typical diesel engine glow plug: Basically, the P0380 code means that the PCM has detected a fault in the glow plug/heater circuit “A”.
What are the symptoms of a p0380 DTC?
Performing a quick Internet search shows that the P0380 DTC seems to be more common on Volkswagen, GMC, Chevrolet, and Ford diesel equipped vehicles, however is possible on any diesel vehicle (Saab, Citroen, etc.) Symptoms of a P0380 trouble code may include: Glow plug / Wait To Start indicator stays illuminated longer than normal (may be on solid)
What causes a DTC on a glow plug?
Potential causes for this DTC may include: Fault in glow plug wiring (open, short to ground, etc.) If you have a GM truck or really any vehicle for that matter, check for known issues such as TSBs (technical service bulletins) that pertain to this code. Check associated fuses, replace if blown. Test glow plug relay if possible.