Service bulletin TT-14-026

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

NHTSA's summary

When diagnosing a concern with the SCR system, the technician may notice crystallized DEF (diesel exhaust fluid) on the tip of the DEF injector. Crystallized DEF on the tip of the injector is a normal occurrence and does not indicate that the injector nozzle is clogged. The crystallization will dissolve when the injector is activated. Do not replace the DEF injector for the crystallization alone. Please follow Workshop Manual diagnostics to diagnose the specific condition or DTC on the vehicle.

The document

• NHTSA's copy of the document (PDF)
• If that address does not open, try this one

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories, Fuel system, Fuel injection

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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