POWERSTROKE-P0601 moderate Power Stroke ›

PCM Memory Check Sum Error

The POWERSTROKE-P0601 (Power Stroke) diesel fault code means: PCM Memory Check Sum Error. This is a moderate severity code.

My Garage →
Keep driving?
No — stop driving
DIY difficulty
advanced
Estimated cost
$100-$1,400
Mobile mechanic network · I-5 corridor pilot

Down with a Power Stroke fault on the road?

We are building a network of verified mobile diesel and reefer technicians along the freight corridor. It is not live yet — no one can be dispatched to you today. You can see where the pilot is launching and register interest.

View pilot availability →

What Are the Symptoms of POWERSTROKE-P0601?

  • CEL
  • Intermittent running

What Causes POWERSTROKE-P0601? (Most Likely First)

  • Corrupted PCM flash Likely
  • Internal PCM fault Likely

Can I Still Drive with POWERSTROKE-P0601?

No — stop driving. POWERSTROKE-P0601 is rated moderate severity. Continuing to drive in this state risks further damage — get it looked at before your next trip.

Frequently Asked Questions

What is P0601 on a 7.3L Power Stroke?

P0601 on a 7.3L Power Stroke (1994-2003) indicates: PCM Memory Check Sum Error. This is a known diagnostic trouble code on this engine family and typically points to the causes listed above.

Can I drive with P0601 on my Power Stroke?

No. Stop driving and arrange for towing. Continued operation risks serious engine or emissions system damage.

How much does it cost to fix P0601?

Repair cost is typically $100-$1,400 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-P0601?

  1. Reflash with latest calibration.

  2. Replace PCM if reflash fails.

Sources 1

This page is built from documented references. Verify against your own service info before repair work.

  • SAE J2012Diagnostic Trouble Code Definitions (defines P0601 as a generic OBD-II code)

P0601 on Other Platforms

The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:

Gas / Automotive (OBD-II) Generic OBD-II definition for P0601 Duramax critical Internal Control Module Memory Check Sum Error

Which Vehicles Commonly Get POWERSTROKE-P0601?

  • 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

Explore More

More Power Stroke codes → Diesel home All diesel codes Heavy-duty Guides

Was this helpful?

Send this to whoever is fixing the truck — your tech, or the person asking what the fault means.