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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (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 variant/trim than selected.
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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