Service Update Bulletin
Buick technical service bulletin N202312030 for 2018 Buick Lacrosse.
- Bulletin number
- N202312030
- Component
- Electrical system
- Summary
- Service Update Bulletin. In vehicles equipped with a 2.5L engine, the Engine Control Module (ECM) may not respond to test tools with the correct Calibration Verification Number (CVN). If not corrected, this could result in a failure of an emissions Inspection and Maintenance (I/M) test or prevent a service technician from confirming that the appropriate program data is in the ECM. Dealers are to perform two ECM reprogramming procedures.
Owners of these vehicles have filed 5 complaints in the electrical category.
Vehicles covered
- Buick Lacrosse 2018 2018
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