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Home >> Cadillac >> 2013 >> Escalade Hybrid, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Cooling System) >> Diagnostic Information and Procedures >> DTC P0480, P0481, or P0482 (with HP2) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different variant/trim than selected.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Relay Coil Ignition P0480, P0481, P0482 P0480, P0481, P0482 - -
Fan Low Relay Switch B+ 1 2 - -
Fan Mid 1 Relay Switch B+ 1 4 - -
Fan Mid 2 Relay Switch B+ 5 6 - -
Fan HI Relay Switch B+ 5 8 - -
Fan Control Relay Switch 9 1 7 -
Fan Low Relay Control P0480 P0480 P0480 -
Fan Mid 1 Relay Control P0481 4 P0481 -
Fan Mid 2 Relay Control P0481 6 P0481 -
Fan HI Relay Control P0482 P0482 P0482 -
Fan Control Relay Control P0481 1 P0481 -
Fan Low Relay Controlled Output 1 2 3 -
Fan Mid 1 Relay Controlled Output 1 4 3 -
Fan Mid 2 Relay Controlled Output 5 6 7 -
Fan HI Relay Controlled Output 5 8 7 -
Fan Control Relay Controlled Output 9 10 7 -
  1. Left fan inoperative
  2. Left fan inoperative at low and high speed
  3. Both fans always ON at low speed
  4. Left fan inoperative at medium speed
  5. Right fan inoperative at medium and high speed
  6. Right fan inoperative at medium speed
  7. Right fan always ON
  8. Right fan inoperative at high speed
  9. Left fan operates at high speed only
  10. Both fans inoperative at low speed, or left fan inoperative at medium and high speed