Measure voltage with the engine off (target: ) and running (target: 13.8V – 14.5V ).
This is a manufacturer-specific code (common in GM, Chevrolet, and GMC vehicles) indicating that a control module has detected system voltage outside of the normal operating range.
Verify ground straps are clean and tight. High resistance in a ground circuit (greater than ) often triggers this code.
In the context of automotive diagnostics, the code typically refers to a "Device Power Circuit Voltage" issue. While "b1325.mp4" likely refers to a specific instructional video, the core topic is the troubleshooting of this electrical fault. ⚡ What is Code B1325?
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