B0088high severityBody
SRS Control Module Voltage Low
on 2008 Audi RS4 4.2L V8 · 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
- Check battery voltage
- Inspect battery terminal connections
- Measure voltage at ACM connector
- Check ground circuit resistance
- Test charging system
Repair notes
Repair battery connections or ACM power circuit. Charge or replace battery if low.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open