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Home/DTC Codes/Porsche/Boxster/2000-2004 2.7L H6/B0089
B0089

SRS Control Module Voltage High

2000-2004 Porsche Boxster 2.7L H6

High SeverityBodyGeneric (SAE)

Description

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.

Related Codes

B0085SRS Airbag Control Module Internal FaultB0088SRS Control Module Voltage Low

Other Body Codes

B0089 on Other Vehicles

Porsche 718 Boxster

2017-2024 2.0L H4 Turbo

Porsche 718 Boxster

2017-2024 2.0L Turbo H4

Porsche 718 Boxster GTS

2020-2024 4.0L H6

Porsche 718 Boxster S

2017-2024 2.5L Turbo H4

Porsche 718 Cayman

2017-2024 2.0L H4 Turbo

Porsche 718 Cayman

2017-2024 2.0L Turbo H4

Porsche 718 Cayman GT4

2019-2024 4.0L H6

Porsche 718 Cayman GTS

2020-2024 4.0L H6

Common Questions

What does code B0089 mean on a 2000-2004 Porsche Boxster?

B0089 stands for "SRS Control Module Voltage High". The SRS control module is receiving higher than specified operating voltage.

What are the symptoms of B0089 on a Porsche Boxster?

Common symptoms of B0089 include: Airbag warning light on, SRS codes set, Electronic component stress.

What causes B0089 on a 2000-2004 Porsche Boxster?

Common causes of B0089 include: Overcharging alternator, Faulty voltage regulator, Poor ground causing voltage offset, Jump start damage.

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