What does C0899 mean on a Chevy?

C0899. Device Voltage Low. Applies to Impala, Colorado, Canyon, Silverado, Malibu.

What causes C0899 on a Chevy?

Weak or aging battery dropping voltage during cranking Failing alternator with charging output below specification Corroded EBCM power or ground terminals adding resistance Blown or loose ABS fuse in the underhood fuse block

How do I fix C0899 on a Chevy?

Load-test the battery and verify charging voltage is 13.8-14.7 volts with the engine running Inspect EBCM powers, grounds, and fuses before diagnosing further Check for voltage drop across the EBCM ground circuit under load Clear the code after voltage repairs and verify it does not reset Diagnose wheel speed or pump codes separately if they return without the voltage fault

Code

C0899

Device Voltage Low

Category: Chassis
Severity: Chassis Warning Light
Applies to: Impala, Colorado, Canyon, Silverado, Malibu
Related: No single generic twin. See OBD Codes List

What it means

C0899. Device Voltage Low. This Chevy-enhanced code applies to Impala, Colorado, Canyon, Silverado, Malibu.

Findings, check these first

Weak or aging battery dropping voltage during cranking
Failing alternator with charging output below specification
Corroded EBCM power or ground terminals adding resistance
Blown or loose ABS fuse in the underhood fuse block

Standard procedure

Load-test the battery and verify charging voltage is 13.8-14.7 volts with the engine running
Inspect EBCM powers, grounds, and fuses before diagnosing further
Check for voltage drop across the EBCM ground circuit under load
Clear the code after voltage repairs and verify it does not reset
Diagnose wheel speed or pump codes separately if they return without the voltage fault

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.

Report a correction for C0899. Include your vehicle, the issue and a source if you have one.

This fault is part of the GM ABS and StabiliTrak family. The GM ABS and StabiliTrak codes guide covers the check order.