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Home >> Buick >> 2019 >> Regal TourX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 139 (Engine Controls And Fuel - 3.6L (LGX) - Diagnostic Information And Procedures (P0449-P3436) And Symptoms) >> Diagnostic Information and Procedures >> DTC P30B4, P30B5, P30BC, P30BD, P30D5, P30DE, P30FA, P3121, P3129, P3131, P314E, P3168, P3169, P316B, P319A, P319F, P31B8, or P31BA-P31BF >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Serial Data = Message Counter Incorrect - Control module that has set the DTC

The above condition (s) must occur 5 times.

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