2005 Saturn Relay AWDFACTORY OEM SERVICE PROCEDURE

Body Control Module (BCM)

Battery Voltage

Display indicates battery voltage. Measured in volts.

Brake Applied Output

Displays indicates ON when the brake switch is depressed.

BTSI Solenoid

Display indicates ON when the shift lock control solenoid is ON.

Ignition 1 Signal

Display indicates ON when the ignition 1 input circuit of the module receives a battery signal from the ignition switch.

Remote Start

Display indicates the current status of the remote start request.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.

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