Passenger Presence System Replacement - Front

2005 Chevrolet Tahoe 4WD V8-5.3L VIN TSECTION Passenger Presence System Replacement - Front


INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM REPLACEMENT - FRONT

REMOVAL PROCEDURE

CAUTION: Replace the passenger presence system as a complete assembly to prevent possible injury to the occupant. The bladder, the pressure sensor, the seat cushion, and the control module are assembled and calibrated as a unit. Using only some of the components in the service kit will cause the passenger presence system to operate improperly.




1. Remove the seat cushion trim cover and pad.
2. Disconnect the electrical connectors.
3. Remove the bolts that retain the electronic control unit (ECU) (1) from the bottom of the passenger seat cushion frame.
4. Remove the pressure switch (2) from the bottom of the passenger seat cushion frame.




5. Remove the push-in retainers (1) that hold the bladder to the seat cushion frame.
6. Remove the inflatable restraint passenger presence system from the seat.

INSTALLATION PROCEDUREs




1. Install the inflatable restraint passenger presence system to the seat.
2. Install the push-in retainers (1) that hold the bladder to the seat cushion frame.




3. Install the pressure sensor (2) to the bottom of the passenger seat cushion frame.
4. Install the bolts that retain the (ECU) (1) to the bottom the passenger seat cushion frame.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the bolts to 2 N.m (18 lb in).

5. Connect the electrical connectors.
6. Install the seat cushion trim cover and pad.
7. Re-zero the inflatable restraint passenger presence system. Refer to Passenger Presence System Programming and Setup in Programming and Setup.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.