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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 113 (Engine Controls And Fuel - 4.3L (LV1) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P0685-P0687, P0689, P0690, or P1682 >> 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
B+ - Relay Coil P0689, P1682 P0685, P0689, P1682, P16A7, P16AF - -
B+ - Relay Switch P0689, P1682 P0685, P0689, P1682, P16A7, P16AF - -
Ignition - Component - Terminal 87 P0689, P1682 P0689, P1682, P16A7, P16AF P0690, P16B3 -
Control - Relay Coil P0686, P0690 P0685, P0689, P1682, P16A7, P16AF P0685, P0687, P0689, P1682* -
*Internal control module or component damage may occur if the circuit shorts to B+.
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