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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1310 (Wiper System & Washer System) >> Diagnostic Information and Procedures >> Windshield Washer Solvent Heater Malfunction >> Circuit/System Testing >> Heated Washer Fluid Indicator Malfunction

Heated Washer Fluid Indicator Malfunction

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the X2 harness connector at the windshield washer solvent heater.
  2. Verify the heated washer fluid pending message is not displayed on the DIC.
    • If the message is displayed, test the signal circuit terminal 2 for a short to ground. If the circuit tests normal, replace the IPC.
  3. Ignition ON, install a 3A fused jumper wire between the signal circuit terminal 2 and ground. Verify the heated washer fluid pending message is displayed on the DIC.
    • If the message is not displayed, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the IPC.
  4. If all circuits test normal, test or replace the windshield washer solvent heater.
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