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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 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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.

P0685, P0686, P0687 

Control Circuit = Commanded state does not match the actual state - Greater than 2 s

P0689 

Engine Controls Ignition Relay Feedback Signal = Commanded state does not match the actual state - Greater than 5 s

P0690 

Engine Controls Ignition Relay Feedback Signal = Commanded state does not match the actual state - Greater than 5 s

P1682 

The following parameters are not within 3 V of each other:

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