B1065critical severityBody
Seat Belt Pretensioner (Passenger Side) Circuit Open
on 2003 Infiniti FX45 4.5L V8 · AWD
What this code means
The SRS unit detects an open circuit in the passenger side seat belt pretensioner. No direct OBD P-code equivalent exists for this manufacturer-specific code.
Symptoms
- Airbag warning light on
- Passenger pretensioner disabled
- Open fault stored
Common causes
- Open wiring to pretensioner
- Loose or corroded connector
- Faulty pretensioner squib
- Damaged harness under seat
Diagnostic steps
- Scan SRS for B1065
- Inspect passenger pretensioner connector
- Measure squib circuit resistance
- Repair open circuit or replace pretensioner
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
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Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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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
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open
B0012
Driver Side Airbag Deployment Circuit Short to Ground
B0013
Driver Side Airbag Deployment Circuit Short to Battery