B0089high severityBody
SRS Control Module Voltage High
on 2011 Hyundai Tucson 2.0L I4 · 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
- 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.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0005
Driver Knee Airbag Deployment Circuit