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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Vehicle Access System) >> Diagnostic Information and Procedures >> DTC B3140, B3145, B3150, or B3155 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Driver Door Lock Switch Lock Signal B3150 00 1 1 -
Driver Door Lock Switch Unlock Signal B3140 00 1 1 -
Passenger/Cargo Door Lock Switch Lock Signal B3155 00 2, 3 2, 3 B3150 59
Passenger/Cargo Door Lock Switch Unlock Signal B3145 00 2, 3 2, 3 -
Rear Cargo Door Lock Switch Ground - 3 - -
Driver Door Lock Switch Ground - 1 - -
Passenger Door Lock Switch Ground - 3 - -
1. Driver Door Lock Switch Malfunction
2. Cargo Door Lock Switch Malfunction
3. Passenger Lock Switch Malfunction