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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1539 (Engine Cooling System - Non-Hybrid) >> Diagnostic Information and Procedures >> DTC P0480 or P0481 (without HP2) >> Typical Scan Tool Data

Typical Scan Tool Data

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
FC Relay 1, and FC Relay 2 and 3 Ckt Open, Short Gnd, and Short Volts Test Status

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Component Commanded OFF
Parameter Normal Range:  The following illustrates the normal parameter state with no circuit conditions:
  • Component OFF - OK for Open/Short Gnd test and Not Run for Short to Volts test
  • Component ON - Not Run for Open/Short Gnd test and OK for Short to Volts test
Ignition Voltage Circuit - Fault -
Fan Low Relay Control Circuit Fault Fault -
Fan Control and FAN HI Relay Control Circuit Fault Fault Not Run
Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Component Commanded ON
Parameter Normal Range:  The following illustrates the normal parameter state with no circuit conditions:
  • Component OFF - OK for Open/Short Gnd test and Not Run for Short to Volts test
  • Component ON - Not Run for Open/Short Gnd test and OK for Short to Volts test
Ignition Voltage Circuit Not Run Not Run -
Fan Low Relay Control Circuit Not Run Not Run Fault
Fan Control and FAN HI Relay Control Circuit Not Run Not Run Fault
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