Injector Circuit Cylinder 1
The MAXXFORCE-P0201-DT (MaxxForce) diesel fault code means: Injector Circuit Cylinder 1. This is a serious severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- intermediate
- Estimated cost
- $250-$900
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View pilot availability →What Are the Symptoms of MAXXFORCE-P0201-DT?
- Misfire
- Rough idle
- CEL
What Causes MAXXFORCE-P0201-DT? (Most Likely First)
- Failed injector coil Likely
- Broken injector harness pin Possible
Can I Still Drive with MAXXFORCE-P0201-DT?
Yes, but fix soon. MAXXFORCE-P0201-DT is rated serious severity. It is not an immediate stop-driving fault, but it will not clear itself — book the repair rather than ignoring it.
Frequently Asked Questions
What is P0201 on a MaxxForce DT (7.6L)?
P0201 on a MaxxForce DT (7.6L) (2007-2015) indicates: Injector Circuit Cylinder 1. This is a known fault code on the MaxxForce engine family and typically points to the causes listed above.
Can I drive with P0201 on my MaxxForce?
Yes, you can generally drive with this code, but diagnose soon to prevent secondary damage.
How much does it cost to fix MaxxForce P0201?
Repair cost is typically $250-$900 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-P0201-DT?
Ohm injector at ECM connector.
Inspect valve cover injector harness.
Which Vehicles Commonly Get MAXXFORCE-P0201-DT?
- International 4300 DuraStar MaxxForce DT
- International 4400 DuraStar MaxxForce DT
- International 7300/7400/7500 WorkStar MaxxForce DT
- IC Bus CE-Series MaxxForce DT
- IC Bus RE-Series MaxxForce DT
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