SRS Control Module Voltage High
2008-2008 Dodge Charger 2.7L V6
The 2008 Dodge Charger is equipped with a 2.7L V6 engine. Below you'll find detailed b0089 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
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
- Check charging system voltage
- Test alternator output regulation
- Inspect ground connections
- Measure voltage at ACM
Repair Notes
Repair charging system. Replace alternator or voltage regulator if overcharging.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
B0089 on Other Vehicles
Common Questions
What does code B0089 mean on a 2008-2008 Dodge Charger?
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 Dodge Charger?
Common symptoms of B0089 include: Airbag warning light on, SRS codes set, Electronic component stress.
What causes B0089 on a 2008-2008 Dodge Charger?
Common causes of B0089 include: Overcharging alternator, Faulty voltage regulator, Poor ground causing voltage offset, Jump start damage.
Last updated: March 2026