SRS Warning Lamp Circuit Malfunction
2002-2007 Buick Rendezvous 3.5L V6 🇨🇦
Description
The SRS airbag warning lamp circuit is malfunctioning. The lamp may be always on, always off, or not performing the bulb check properly.
Symptoms
- Airbag warning light stuck on
- Airbag light not illuminating during bulb check
- SRS fault stored
- Cannot determine if SRS system has other faults
Common Causes
- Burnt out airbag warning lamp bulb
- Wiring issue to instrument cluster
- Instrument cluster fault
- ACM lamp driver failure
Diagnostic Steps
- Check airbag warning lamp bulb
- Test lamp circuit voltage from ACM
- Inspect wiring to cluster
- Test cluster lamp driver
- Scan for additional SRS codes
Repair Notes
Replace warning lamp bulb or repair wiring. If ACM lamp driver is faulty, replace ACM.
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
B0086 on Other Vehicles
Common Questions
What does code B0086 mean on a 2002-2007 Buick Rendezvous?
B0086 stands for "SRS Warning Lamp Circuit Malfunction". The SRS airbag warning lamp circuit is malfunctioning. The lamp may be always on, always off, or not performing the bulb check properly.
What are the symptoms of B0086 on a Buick Rendezvous?
Common symptoms of B0086 include: Airbag warning light stuck on, Airbag light not illuminating during bulb check, SRS fault stored, Cannot determine if SRS system has other faults.
What causes B0086 on a 2002-2007 Buick Rendezvous?
Common causes of B0086 include: Burnt out airbag warning lamp bulb, Wiring issue to instrument cluster, Instrument cluster fault, ACM lamp driver failure.