Saturn Vue intermittent locking doors, warning lights activating, and loss of power while driving after body control module replacement on Saturn Vue

Submitted by Vehicle Owner · Jan 11, 2026
Published by RepairPal

Problem overview

Some Saturn Vue owners report experiencing intermittent issues after replacing the body control module (BCM), such as locking doors malfunctioning, warning lights activating unexpectedly, and sudden loss of power while driving. These problems may stem from a faulty connection or programming issue related to the new BCM, which is crucial for controlling door locks and monitoring various electrical systems. Additionally, owners have noted that unexpected warning lights can indicate communication problems between the BCM and other vehicle systems. The loss of power while driving poses a serious safety concern and could be linked to improper BCM functionality or issues during the replacement process. To address these concerns, it is advisable to have a professional mechanic conduct a diagnostic check, consider reprogramming the BCM, and ensure all connections are secure and undamaged. If problems persist, consulting with experts experienced in Saturn Vue BCM replacements may provide tailored solutions.

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Saturn Vue vehicles with this problem

1 model year affected

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