C0040-29

C0040-29-BRAKE PEDAL SWITCH-SIGNAL INVALID

For a complete wiring diagram, refer to the Wiring Information.

Theory of Operation

When the Powertrain Control Module (PCM) is sending Signal not available or is not performing the signal Parity or Toggle correctly for the Brake Switch Status signal the ABS module sets this DTC.

- When Monitored:
Ignition Switch ON.

When Set:
When the Powertrain Control Module (PCM) brake signal is not correct for 300 mSec.





POWERTRAIN CONTROL MODULE (PCM) DTCS PRESENT
1. With the scan tool, read PCM Brake DTCs.

Are there any PCM Brake DTCs present?

Yes

- Perform the appropriate diagnostic procedure. Testing and Inspection.

No

- Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test.