Buick Enclave 2004–2024 — technical service bulletin

Bulletin PIP4964E · NHTSA communication 10246003 · issued Oct 16, 2023

Technical service bulletin

communication type

Exterior Lighting

component

2004–2024

model years

vehicle entries

Official summary

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P2097 or P2099. Technician will need to perform an injector balance or Active Fuel Injector Tester prior to going further. Technician will also need to check for a small leak in the exhaust if published Service Information diagnostics does not lead to a resolution.

Vehicles covered

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.