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2020 MAZDA MAZDA3
2.5L Skyactiv-G I4 (186 hp)•AWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor987Torque6478Fluid16DTC2264Battery2Maintenance0Recalls2
B0088high severityBody

SRS Control Module Voltage Low

on 2020 Mazda Mazda3 2.5L Skyactiv-G I4 (186 hp) · AWD

What this code means

The SRS control module is receiving lower than specified operating voltage.

Symptoms

  • Airbag warning light on
  • SRS codes set
  • Multiple body control faults may occur

Common causes

  • Low battery voltage
  • Corroded battery terminals
  • Faulty ACM power supply circuit
  • High-resistance connection in power feed

Diagnostic steps

  1. Check battery voltage
  2. Inspect battery terminal connections
  3. Measure voltage at ACM connector
  4. Check ground circuit resistance
  5. Test charging system

Repair notes

Repair battery connections or ACM power circuit. Charge or replace battery if low.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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