Powertrain Control Module (PCM)
WARNING: This page is about a different car, the 2005 Pontiac G6. However, it is still accessible from the selected car via links, so may be relevant.
- Initial Brake Apply Signal
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Displays Applied or Released status of the brake switch.
- TCC Brake Switch
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Displays Open or Closed status of the TCC Brake switch.
- TR Sw. A/B/C/P
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Displays LOW or HI for the state of each of the four inputs from the IMS. LOW displayed indicates a low voltage signal (0 volts) being monitored at the PCM. HI displayed indicates a high voltage signal (B+) being monitored at the PCM.