Service bulletin 18-046-15

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

Flash: 5.7L Diagnostic And System Improvements This bulletin involves reprogramming of the Powertrain Control Module (PCM) with the latest software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? P219A - Bank 1 Air-Fuel Ratio Imbalance ? P219B - Bank 2 Air-Fuel Ratio Imbalance ? P0307 - Cylinder 7 Misfire ? P2096 - Downstream Fuel Trim System 1 Lean ? P2097 - Downstream Fuel Trim System 1 Rich Additional Symptoms: ? Engine buck or delay feeling during low speed driving. ? Less than desired engine performance during Multiple Displacement System (MDS) mode transitions.

The document

• NHTSA's copy of the document (PDF)
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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

Electrical system

Trouble codes named

P0307, P2096, P2097, P219A, P219B

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

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

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