Back to 2014 Subaru BRZ

2014 SUBARU BRZ

2.0L H4AWDMANUALgas
Repairs0Labor595Torque5878Fluid10DTC903Battery0Maintenance0Recalls0
B0089high severityBody

SRS Control Module Voltage High

on 2014 Subaru BRZ 2.0L H4 · AWD

What this code means

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

Symptoms

  • Airbag warning light on
  • SRS codes set
  • Electronic component stress

Common causes

  • Overcharging alternator
  • Faulty voltage regulator
  • Poor ground causing voltage offset
  • Jump start damage

Diagnostic steps

  1. Check charging system voltage
  2. Test alternator output regulation
  3. Inspect ground connections
  4. Measure voltage at ACM

Repair notes

Repair charging system. Replace alternator or voltage regulator if overcharging.

Other Body codes on this vehicle

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