What does B1325 mean on a Chevy?

B1325. Device Power 1 Circuit Low. Applies to Silverado, Sierra, Tahoe, Equinox, Malibu.

What causes B1325 on a Chevy?

Weak or discharged battery Corroded or loose battery cables and terminals Blown or corroded device power fuse Failing alternator causing low system voltage Corroded ground connection at the body control module

How do I fix B1325 on a Chevy?

Load-test the battery and test the charging system Perform voltage drop tests on battery cables Inspect and clean all ground connections Check device power fuses for corrosion and correct rating Replace the battery or cables before condemning any module

Code

B1325

Device Power 1 Circuit Low

Category: Body
Severity: Body Warning Light
Applies to: Silverado, Sierra, Tahoe, Equinox, Malibu
Related: No single generic twin. See OBD Codes List

What it means

B1325. Device Power 1 Circuit Low. This Chevy-enhanced code applies to Silverado, Sierra, Tahoe, Equinox, Malibu.

Findings, check these first

Weak or discharged battery
Corroded or loose battery cables and terminals
Blown or corroded device power fuse
Failing alternator causing low system voltage
Corroded ground connection at the body control module

Standard procedure

Load-test the battery and test the charging system
Perform voltage drop tests on battery cables
Inspect and clean all ground connections
Check device power fuses for corrosion and correct rating
Replace the battery or cables before condemning any module

Look up another code

Press / to jump to the box. Chevy-enhanced powertrain, body, chassis and network codes.

Sources and review

Review: no source links are recorded for this entry.

Last updated 2026-09-25.

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