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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 94 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (3 Of 3)) >> Diagnostic Information and Procedures >> DTC P2687-P2689 >> Typical Scan Tool Data

Typical Scan Tool Data

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.
Fuel Heater Relay Control Circuit High Voltage Test Status

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Ignition = On
Parameter Normal Range:  Not Run/OK
Ignition - Relay Coil Not Run/OK Not Run/OK Not Run/OK
Control - Relay Coil Not Run/OK Not Run/OK Malfunction
Fuel Heater Relay Control Circuit Low Voltage Test Status

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Ignition = On
Parameter Normal Range:  Not Run/OK
Ignition - Relay Coil Not Run/OK Not Run/OK Not Run/OK
Control - Relay Coil Malfunction Not Run/OK Not Run/OK
Fuel Heater Relay Control Circuit Open Test Status

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Ignition = On
Parameter Normal Range:  Not Run/OK
Ignition - Relay Coil Not Run/OK Not Run/OK Not Run/OK
Control - Relay Coil Not Run/OK Malfunction Not Run/OK