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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P040B - P204D)) >> Diagnostic Information And Procedures >> DTC P1176 Or P1177: Fuel Pump Driver Control Module 5V Reference 1-2 Circuit >> Circuit/System Description

Circuit/System Description

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The Fuel Pump Driver Control Module has 2 internal 5V reference circuits. Each internal reference circuit provides external 5V reference circuits to one sensor. A short to ground or short to voltage on one external 5V reference circuit can affect the component connected to the same internal 5V reference circuit.

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