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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Hybrid/EV Controls) >> Diagnostic Information and Procedures >> DTC P1B0B or P1B0C >> Conditions for Setting the DTC

Conditions for Setting the DTC

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

P1B0B 

The motor control module detects Negative Supply Isolation sensor voltage less than 20 V.

P1B0C 

The motor control module detects Negative Supply Isolation sensor voltage greater than 60 V.