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Home >> GMC >> 2005 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Diagnostic Information and Procedures >> Scan Tool Output Controls

Scan Tool Output Controls

Hybrid Control Module (HCM)

Scan Tool Output Control Additional Menu Selection(s) Description
Auxiliary Coolant Pump Relay HPCM Commands the auxiliary coolant pump relay ON and OFF.
Instrument Cluster

Scan Tool Output Control Additional Menu Selection(s) Description
Special Functions Lamp Test Command the instrument cluster to illuminate all lamps in the cluster.
Special Functions IPC Gages Command the instrument cluster to sweep all gages.
Special Functions Segment Tests Command the instrument cluster message center to display all segments.
Starter Generator Control Module (SGCM)

Scan Tool Output Control Additional Menu Selection(s) Description
SGCM Fan Speed SGCM Commands the SGCM coolant fan ON and OFF. 0% for OFF and 100% for ON.
SGCM Pump Speed SGCM Commands the SGCM coolant pump ON and OFF.