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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 135 (12 V Starting And Charging - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P16E1-P16E3 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

P16E1 

B110 Battery Monitor Module detects a RAM memory fault.

P16E2 

B110 Battery Monitor Module detects a ROM memory fault.

P16E3 

B110 Battery Monitor Module is not using the correct configuration information it receives from the K20 Engine Control Module.