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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Engine Controls And Fuel - 6.0L (L96) - DTC P0351 To DTC P2636 And Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> DTC P2632, P2633, P2634: Fuel Transfer Pump Relay Control Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

DTC P2632 

The engine control module detects the secondary fuel pump relay control circuit is open for greater than 2.5 s.

DTC P2633 

The engine control module detects the secondary fuel pump relay control circuit is shorted to ground for greater than 2.5 s.

DTC P2634 

The engine control module detects the secondary fuel pump relay control circuit is shorted to voltage for greater than 2.5 s.

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