OEM Restraints System Part Replacement Search


2021 Subaru WRX/WRX STI

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DISABLE PROCEDURE AND TIME (Always Check Service Manual)

1. Turn the ignition switch to OFF.
2. Disconnect the ground cable from the battery.
3. Wait at least 60 seconds or more before starting work

NOTE:
For models other than STI model, disconnect the ground terminal from battery sensor.

REV: 04/2021

PARTS THAT MUST BE REPLACED FOLLOWING A DEPLOYMENT

1. DRIVER’S AIRBAG MODULE ASSEMBLY
1. Frontal collision (driver’s airbag module assembly activated)
(1) Replace the following parts with new ones.
• Airbag control module [MODULE,AIRBAG CONTROL]
• Driver’s airbag module [AIRBAG,STEERING WHEEL]
• Knee airbag module
• Passenger’s airbag module (if deployed) [AIRBAG,INSTRUMENT PNL]
• Side airbag module (if deployed) [AIRBAG,FRONT SEAT]
• Curtain airbag module (both sides / if deployed)
• Seat belt pretensioner (right and left)
• Lap seat belt pretensioner (passenger’s side only)
• Front sub sensor (right and left) [AIRBAG SENSOR,FRONT]
• Instrument panel assembly (because it is integrated with passenger’s airbag module) (if passenger’s airbag module is deployed)
• Steering wheel
• Column assembly • steering
• Roll connector
• Pad assembly • front seat backrest (if the side airbag is deployed)
• Frame assembly • front seat cushion (if the side airbag is deployed)
• Frame assembly • front seat backrest (if the side airbag is deployed)
• Cover COMPL • front seat backrest (if the side airbag is deployed)
• Trim panel • roof assembly (if the curtain airbag is deployed)
• Trim panel of each pillar (if the curtain airbag is deployed)

2. KNEE AIRBAG MODULE
1. Frontal collision (knee airbag module activated)
(1) Replace the following parts with new ones.
• Airbag control module [MODULE,AIRBAG CONTROL]
• Driver’s airbag module
• Knee airbag module [AIRBAG,KNEE BOLSTER]
• Passenger’s airbag module (if deployed) [AIRBAG,INSTRUMENT PNL]
• Side airbag module (if deployed) [AIRBAG,FRONT SEAT]
• Curtain airbag module (both sides / if deployed)
• Seat belt pretensioner (right and left)
• Lap seat belt pretensioner (passenger’s side only)
• Front sub sensor (right and left) [AIRBAG SENSOR,FRONT]
• Instrument panel assembly (because it is integrated with passenger’s airbag module) (if passenger’s airbag module is deployed)
• Steering wheel
• Column assembly • steering
• Roll connector
• Pad assembly • front seat backrest (if the side airbag is deployed)
• Frame assembly • front seat cushion (if the side airbag is deployed)
• Frame assembly • front seat backrest (if the side airbag is deployed)
• Cover COMPL • front seat backrest (if the side airbag is deployed)
• Trim panel • roof assembly (if the curtain airbag is deployed)
• Trim panel of each pillar (if the curtain airbag is deployed)

3. PASSENGER’S AIRBAG MODULE
1. Frontal collision (passenger’s airbag module activated)
(1) Replace the following parts with new ones.
• Airbag control module [MODULE,AIRBAG CONTROL]
• Driver’s airbag module
• Knee airbag module
• Passenger’s airbag module [AIRBAG,INSTRUMENT PNL]
• Side airbag module (if deployed) [AIRBAG,FRONT SEAT]
• Curtain airbag module (both sides / if deployed)
• Seat belt pretensioner (right and left)
• Lap seat belt pretensioner (passenger’s side only)
• Front sub sensor (right and left) [AIRBAG SENSOR,FRONT]
• Instrument panel assembly (because it is integrated with passenger’s airbag module)
• Steering wheel
• Column assembly • steering
• Roll connector
• Pad assembly • front seat backrest (if the side airbag is deployed)
• Frame assembly • front seat cushion (if the side airbag is deployed)
• Frame assembly • front seat backrest (if the side airbag is deployed)
• Cover COMPL • front seat backrest (if the side airbag is deployed)
• Trim panel • roof assembly (if the curtain airbag is deployed)
• Trim panel of each pillar (if the curtain airbag is deployed)

4. SIDE AIRBAG MODULE
1. Side impact (side airbag module activated)
(1) Replace the following parts with new ones.
• Airbag control module [MODULE,AIRBAG CONTROL]
• Satellite safing sensor [AIRBAG SENSOR,FLOOR MTD]
• Cover • satellite safing
• Front door impact sensor [AIRBAG SENSOR,FRT DOOR]
• Plate • door (collision side)
• Seat belt pretensioner (collision side / if deployed)
• Lap seat belt pretensioner (passenger’s seat only) (collision side)
• Side airbag module (collision side) [AIRBAG,FRONT SEAT]
• Side airbag sensor (collision side) [AIRBAG SENSOR,SIDE]
• Curtain airbag module (collision side)
• Curtain airbag sensor (collision side) [AIRBAG SENSOR,QTR PANEL]
• Pad assembly • front seat backrest (collision side)
• Frame assembly • front seat backrest (collision side)
• Frame assembly • front seat cushion (collision side)
• Cover COMPL • front backrest (collision side)
• Trim panel • roof assembly (collision side)
• Trim panel for each pillar (collision side)

5. CURTAIN AIRBAG MODULE
1. Side impact or roll over (curtain airbag module activated)
(1) Replace the following parts with new ones.
• Airbag control module [MODULE,AIRBAG CONTROL]
• Satellite safing sensor [AIRBAG SENSOR,FLOOR MTD]
• Cover • satellite safing
• Side airbag module (collision side)
• Curtain airbag module (collision side) [AIRBAG,ROOF]
• Seat belt pretensioner (if deployed)
• Lap seat belt pretensioner (passenger’s seat only) (if triggered or damaged)
• Front door impact sensor (collision side) [AIRBAG SENSOR,FRT DOOR]
• Side airbag sensor (collision side) [AIRBAG SENSOR,SIDE]
• Curtain airbag sensor (collision side) [AIRBAG SENSOR,QTR PANEL]
• Pad assembly • front seat backrest (collision side)
• Frame assembly • front backrest (collision side)
• Frame assembly • front seat cushion (collision side)
• Cover COMPL • front backrest (collision side)
• Trim panel • roof assembly (collision side) [HEADLINER,ROOF]
• Trim panel for each pillar (collision side)
• Airbag bracket (model with sunroof) (collision side)

PARTS THAT MUST BE INSPECTED AND REPLACED IF DAMAGED

1. DRIVER’S AIRBAG MODULE ASSEMBLY
1. Frontal collision (driver’s airbag module assembly activated)
Visually inspect the following items and replace any damaged part with a new one.
• Steering wheel
• Steering gearbox
• Beam COMPL • steering
• Instrument panel harness and connector on body side
2. Frontal collision (driver’s airbag module not activated)
Visually inspect the following items and replace any damaged or cracked part with a new one. Specially inspect the damage of airbag module body, mounting bracket and harness connector.
• Driver’s airbag module
• Knee airbag module
• Passenger’s airbag module
• Seat belt pretensioner (right and left)
• Lap seat belt pretensioner (passenger’s side only)
• Front sub sensor (right and left)
• Instrument panel assembly (because it is integrated with passenger’s airbag module)
3. No frontal collision
Visually inspect the airbag modules for damage or contamination and replace any faulty part with a new one

2. KNEE AIRBAG MODULE
1. Frontal collision (knee airbag module activated)
Visually inspect the following items and replace any damaged part with a new one.
• Steering wheel
• Beam COMPL • steering
• Instrument panel harness and connector on body side
2. Frontal collision (knee airbag module not activated)
Visually inspect the following items and replace any damaged or cracked part with a new one. Specially inspect the damage of airbag module body, mounting bracket and harness connector.
• Driver’s airbag module
• Knee airbag module
• Passenger’s airbag module
• Seat belt pretensioner (right and left)
• Lap seat belt pretensioner (passenger’s side only)
• Front sub sensor (right and left)
• Instrument panel assembly (because it is integrated with passenger’s airbag module)
3. No frontal collision
Visually inspect the airbag modules for damage or contamination and replace any faulty part with a new one.

3. PASSENGER’S AIRBAG MODULE
1. Frontal collision (passenger’s airbag module activated)
Visually inspect the following items and replace any damaged part with a new one.
• Steering wheel
• Steering gearbox
• Beam COMPL • steering
• Instrument panel harness and connector on body side
2. Frontal collision (passenger’s airbag module not activated)
Visually inspect the following items and replace any damaged or cracked part with a new one.
Specially inspect the damage of airbag module body, mounting bracket and harness connector.
• Driver’s airbag module
• Knee airbag module
• Passenger’s airbag module
• Seat belt pretensioner (right and left)
• Lap seat belt pretensioner (passenger’s side only)
• Front sub sensor (right and left)
• Instrument panel assembly (because it is integrated with passenger’s airbag module)
3. No frontal collision
Visually inspect the airbag modules for damage or contamination and replace any faulty part
with a new one.

4. SIDE AIRBAG MODULE
1. Side impact (side airbag module activated)
Visually inspect the following items and replace any damaged part (collision side) with a new one.
• Headrest assembly
• Bushing • lock headrest
• Slide rail assembly • OUT
• Slide rail assembly • INN
• Cover • hinge front seat
• Knob • lifter
• Lever • reclining
• Side airbag harness and connector on body side
2. Side impact (side airbag module not activated)
Visually inspect the following items and replace any damaged or cracked part (collision side) with a new one.
Specially inspect the damage of airbag module body, mounting bracket and harness connector.
• Pad assembly • front seat backrest
• Frame assembly • front backrest
• Cover COMPL • front backrest
• Satellite safing sensor
• Cover • satellite safing
• Front door impact sensor
• Side airbag module
• Side airbag sensor
• Curtain airbag module
• Curtain airbag sensor
3. No side impact
Visually inspect the airbag modules for contamination and replace any faulty part with a new one.

5. CURTAIN AIRBAG MODULE
1. Side impact or roll over (curtain airbag module activated)
Visually inspect the following items and replace any damaged part (collision side) with a new one.
• Assist rail • front and rear
• Bracket • assist rail front and rear
• Curtain airbag harness and connector on body side
2. Side impact (curtain airbag module not activated)
Visually inspect the following items and replace any damaged or cracked part (collision side) with a new one.
Specially inspect the damage of airbag module body, mounting bracket and harness connector.
• Trim panel • roof assembly
• Trim panel for each pillar
• Curtain airbag module
• Satellite safing sensor
• Cover • satellite safing
• Front door impact sensor
• Side airbag sensor
• Curtain airbag sensor
3. No side impact
Visually inspect the airbag covers for damage or contamination and replace any faulty part with a new one.

Additional Information


*This matrix does not currently contain all production vehicles sold in the United States. Please refer back to this page frequently to ensure the most up-to-date information. The following charts were developed in cooperation with AudaExplore, a Solera company. The contents are based on the information available at the time of publication. To ensure that the most recent information is used, always refer to the vehicle maker's technical information before working with airbags and other passive restraint systems.


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