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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (ENGINE CONTROLS - 6.6L - DIAGNOSIS (DTCs P0402-P2636)) >> DTC P2510 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
IMPORTANT:
  • Always perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
  • An open fault in any engine control module (ECM) relay circuit will cause a no crank, no start condition and no communication with the scan tool.
DTC P2510

ECM Circuits Short to Ground Open Short to Voltage
IGN Relay Control P25101 2 2
IGN 1 Voltage 2 2 P25101
Battery Voltage P2510, P2610 P2510, P2610 -
1 DTC will set only after the ECM powers down
2 These circuit faults will cause a loss of communication with the scan tool and a no crank, no start condition.