FICM Self-Test Failed
The POWERSTROKE-P1378 (Power Stroke) diesel fault code means: FICM Self-Test Failed. This is a serious severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- advanced
- Estimated cost
- $300-$1,200
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View pilot availability →What Are the Symptoms of POWERSTROKE-P1378?
- Rough run
- Hard start
What Causes POWERSTROKE-P1378? (Most Likely First)
- Internal FICM fault Likely
Can I Still Drive with POWERSTROKE-P1378?
Short distances only. POWERSTROKE-P1378 is rated serious severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What is P1378 on a 7.3L Power Stroke?
P1378 on a 7.3L Power Stroke (1994-2003) indicates: FICM Self-Test Failed. This is a known diagnostic trouble code on this engine family and typically points to the causes listed above.
Can I drive with P1378 on my Power Stroke?
Only drive short distances to get to a repair facility. Continued operation may cause further damage.
How much does it cost to fix P1378?
Repair cost is typically $300-$1,200 depending on the underlying cause and whether you DIY or use a shop. Diagnostic time alone runs $100-$180 at most independent diesel shops.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose POWERSTROKE-P1378?
Replace or repair FICM.
P1378 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:
Which Vehicles Commonly Get POWERSTROKE-P1378?
- 1994.5-1997 Ford F-250/F-350 7.3L Power Stroke
- 1999-2003 Ford F-250/F-350 Super Duty 7.3L Power Stroke
- 1999-2003 Ford F-450/F-550 Super Duty 7.3L Power Stroke
- 1994.5-2003 Ford E-350/E-450 7.3L Power Stroke
- 2000-2003 Ford Excursion 7.3L Power Stroke
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