MAXXFORCE-P1545 moderate MaxxForce ›

Torque Limit Exceeded

The MAXXFORCE-P1545 (MaxxForce) diesel fault code means: Torque Limit Exceeded. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
advanced
Estimated cost
$500-$6,000
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What Are the Symptoms of MAXXFORCE-P1545?

  • Heavy derate
  • CEL

What Causes MAXXFORCE-P1545? (Most Likely First)

  • Root fault triggering torque limit Very Likely

Can I Still Drive with MAXXFORCE-P1545?

Short distances only. MAXXFORCE-P1545 is rated moderate severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.

Frequently Asked Questions

What is P1545 on a MaxxForce 13 (12.4L)?

P1545 on a MaxxForce 13 (12.4L) (2008-2014) indicates: Torque Limit Exceeded. This is a known fault code on the MaxxForce engine family and typically points to the causes listed above.

Can I drive with P1545 on my MaxxForce?

Only drive short distances to reach a repair facility. Continued operation may cause further damage or progressive derate.

How much does it cost to fix MaxxForce P1545?

Repair cost is typically $500-$6,000 depending on the underlying cause and shop rate. Many MaxxForce faults (especially EGR cooler, head bolt, and VGT repairs) are major expenses that drove fleet owners to repower with Cummins or retire these trucks early.

Mechanics Guide Step-by-step diagnosis

How Do You Diagnose MAXXFORCE-P1545?

  1. Fix the root code (EGR, boost, DPF, DEF).

  2. P1545 is a secondary / result fault.

P1545 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 MAXXFORCE-P1545?

  • International ProStar MaxxForce 13
  • International LoneStar MaxxForce 13
  • International TranStar 8600 MaxxForce 13
  • International PayStar 5900 MaxxForce 13
  • International 9900i MaxxForce 13

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