Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2021TRANSIT-350 XL, 3.5L ENG VIN G, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 339 (SUPPLEMENTAL RESTRAINT SYSTEM (DESCRIPTION & OPERATION))
2021 Ford Transit-350 XL, 3.5L Eng VIN G, RWD
Section 339 (Supplemental Restraint System (Description & Operation))
2021 Ford Transit-350 XL, 3.5L Eng VIN G, RWDSECTION Section 339 (Supplemental Restraint System (Description & Operation))
WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Description And Operation
- Airbag and Seatbelt Pretensioner Supplemental Restraint System (SRS) - Component Location
- Airbag and Seatbelt Pretensioner Supplemental Restraint System (SRS) - Overview
- Airbag and Seatbelt Pretensioner Supplemental Restraint System (SRS) - System Operation and Component Description
- System Diagram - Supplemental Restraint System (SRS)
- Network Message Chart - Supplemental Restraint System (SRS)
- System Diagram - Occupant Classification System (OCS)
- Network Message Chart - Occupant Classification System (OCS)
- System Diagram - Extended Power Module [BECMB]
- Network Message Chart - Extended Power Module [BECMB]
- Supplemental Restraint System
- Component Description
- Front Impact Severity Sensor
- Occupant Classification System (OCS)
- Seatbelt Buckle Sensor
- Seat Position Sensor
- Side Impact Sensor - Front Door
- Side Impact Sensor - Second Row (SuperCab and SuperCrew only)
- Deployable Steering Column
- Driver Airbag
- Passenger Airbag
- Passenger Airbag Canister Vent
- Passenger Airbag Deactivation (PAD) Indicator
- Seatbelt Anchor and Pretensioner
- Seatbelt Inflator (SuperCrew only, if equipped)
- Seatbelt Retractor and Pretensioner
- Side Air Curtain
- Side Airbag
- Clockspring
- Extended Power Module [BECMB]
- Restraints Control Module (RCM)
- Diagnosis And Testing
- Airbag Supplemental Restraint System (SRS)
- Pinpoint Test A - DTC: B0001:11, B0001:12, B0001:13 and B0001:1A
- Pinpoint Test B - DTC: B0002:11, B0002:12, B0002:13 and B0002:1A
- Pinpoint Test C - DTC: B0005:11, B0005:12, B0005:13, B0005:1A
- Pinpoint Test D - DTC: B0010:11, B0010:12, B0010:13 and B0010:1A
- Pinpoint Test E - DTC: B0011:11, B0011:12, B0011:13, B0011:1A
- Pinpoint Test F - DTC: B0050:11, B0050:12, B0050:13, B0050:1D
- Pinpoint Test G - DTC: B0052:11, B0052:12, B0052:13, B0052:1D
- Pinpoint Test H - DTC: B0070:11, B0070:12, B0070:13, B0070:1A
- Pinpoint Test I - DTC: B0072:11, B0072:12, B0072:13, B0072:1A
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.