Theft Deterrent Indicator Lamp Circuit
2013-2019 Cadillac XTS 3.6L V6
Description
Malfunction in the theft deterrent system indicator lamp circuit. The security light in the dash does not operate correctly.
Symptoms
- Security light always on
- Security light never illuminates
- Light does not flash when system is armed
- Cannot determine system status
Common Causes
- Burnt out indicator LED
- Instrument cluster fault
- BCM indicator output failure
- Wiring issue
Diagnostic Steps
- Check indicator lamp operation
- Test BCM indicator output
- Inspect cluster wiring
- Check instrument cluster
Repair Notes
Replace indicator lamp/LED in cluster or repair wiring.
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
- B0009Rear Center Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
B0122 on Other Vehicles
Cadillac ATS
2013-2019 2.0L Turbo I4
Cadillac ATS
2013-2019 2.5L I4
Cadillac ATS-V
2016-2019 3.6L Twin-Turbo V6
Cadillac CT4
2020-2024 2.0L Turbo I4
Cadillac CT4
2020-2024 2.7L Turbo I4
Cadillac CT4-V
2020-2024 2.7L Turbo I4
Cadillac CT4-V Blackwing
2022-2024 3.6L Twin-Turbo V6
Cadillac CT5
2020-2024 2.0L Turbo I4
Common Questions
What does code B0122 mean on a 2013-2019 Cadillac XTS?
B0122 stands for "Theft Deterrent Indicator Lamp Circuit". Malfunction in the theft deterrent system indicator lamp circuit. The security light in the dash does not operate correctly.
What are the symptoms of B0122 on a Cadillac XTS?
Common symptoms of B0122 include: Security light always on, Security light never illuminates, Light does not flash when system is armed, Cannot determine system status.
What causes B0122 on a 2013-2019 Cadillac XTS?
Common causes of B0122 include: Burnt out indicator LED, Instrument cluster fault, BCM indicator output failure, Wiring issue.