Service bulletin SB25-K-001A

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

SERVICE BULLETIN -- THE ORIGINAL CALIBRATION IN THE TCM OF CERTAIN 2025MY N-GAS VEHICLES CONTAINED INCORRECT LOGIC THAT MAY UNNECESSARILY CAUSE DTC P175E TO SET AND ILLUMINATE THE CHECK ENGINE MALFUNCTION INDICATOR LIGHT (MIL). AN UPDATED TCM CALIBRATION CORRECTING THIS CONCERN IS NOW AVAILABLE. ADDITIONALLY, THE TRANSMISSION FAST LEARN MUST BE COMPLETED AFTER THE TCM CALIBRATION IS COMPLETED. DEALERS ARE TO REPROGRAM THE TCM WITH A CORRECTED SERVICE CALIBRATION AND PERFORM THE TRANSMISSION FAST LEARN. FOLLOW THE SERVICE PROCEDURE BELOW TO UPDATE THE TCM CALIBRATION AND PERFORM THE TRANSMISSION FAST LEARN AS REQUIRED.

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

Transmission and driveline

Trouble codes named

P175E

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

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