DTC P1380 - ELECTRONIC BRAKE CONTROL MODULE (EBCM) DTC ROUGH ROAD DATA UNSTABLE GMC Envoy I

Note. For circuit reference, see WIRING DIAGRAMS - 4.3L article.

Circuit Description

This test determines if ABS system is capable of detecting a rough road situation.

Conditions for setting DTC

1. Vehicle speed at least 1 MPH.
2. Engine speed less than 5800 RPM.
3. Engine load not greater than 90 percent.
4. DTC P0300 is set with MIL on.