Glow Plug/Heater Circuit A
The POWERSTROKE-P0380 (Power Stroke) diesel fault code means: Glow Plug/Heater Circuit A. This is a moderate severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- intermediate
- Estimated cost
- $150-$500
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Common Symptoms
- Hard cold start
- CEL
Probable Causes (Ranked by Likelihood)
- Failed GPCM Likely
- Wiring fault Likely
Step-by-Step Diagnostic Procedure
Test GPCM output.
Replace GPCM.
Common Fixes by Vehicle
What techs usually find when diagnosing POWERSTROKE-P0380 on specific platforms — tap a platform for the fix and the exact part:
1999-2003 Ford F-250/F-350 7.3L & 2003-2007 6.0L Advanced DIY
Glow plug circuit malfunction. On 7.3L, pull the GPR (glow plug relay) on the driver valve cover and verify 12V out when commanded; if no output, replace relay. On 6.0L, the UVCH (under-valve-cover harness) often burns through and shorts - pull the valve cover to inspect.
Labor: 2.0-4.0 hrsFrequently Asked Questions
What is P0380 on a 6.0L Power Stroke?
P0380 on a 6.0L Power Stroke (2003-2007) indicates: Glow Plug/Heater Circuit A. This is a known diagnostic trouble code on this engine family and typically points to the causes listed above.
Can I drive with P0380 on my Power Stroke?
Yes, you can generally drive with this code, but diagnose it soon to prevent further damage.
How much does it cost to fix P0380?
Repair cost is typically $150-$500 depending on the underlying cause and whether you DIY or use a shop. Diagnostic time alone runs $100-$180 at most independent diesel shops.
P0380 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown: