366 Fault Codes · 8 Engine Brands

Diesel ECM Fault Code Lookup

Name: ECM Performance
Address: Fort Lauderdale, FL, 33325, US
Telephone: (888) 768-2447
Price range: $$-$$$

Find what a fault code means, what commonly causes it, and what a technician should check first — organized by engine brand and system.

Look Up a Fault Code

Enter a code (e.g. 3719, SPN 103, P20EE) or a keyword like derate or DPF.

Cummins diesel ECM fault codes across aftertreatment, EGR, turbo, derate, fuel, and VGT systems.

Detroit Diesel (DD13/DD15/DD16) ECM fault codes across aftertreatment, EGR, turbo, and derate systems.

Caterpillar (CAT) diesel ECM fault codes across aftertreatment, EGR, turbo, and derate systems.

Mack diesel ECM fault codes across aftertreatment, EGR, turbo, and derate systems.

International MaxxForce diesel ECM fault codes across aftertreatment, EGR, turbo, and derate systems.

Paccar MX-series diesel ECM fault codes across aftertreatment, EGR, turbo, and derate systems.

Paccar PX-series diesel ECM fault codes — shares Cummins fault code definitions across aftertreatment, EGR, turbo, derate, fuel, and VGT systems.

Volvo diesel ECM fault codes across aftertreatment, EGR, turbo, and derate systems.

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