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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 P1B43 or P1B44 >> 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.

P1B43 

The drive motor control module detects Negative Supply Isolation sensor voltage less than 20 V for 1 s.

P1B44 

The drive motor control module detects Negative Supply Isolation sensor voltage greater than 60 V for 1 s.

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