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Grand Cherokee L Laredo, RWD
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Repair and Diagnosis
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Heating, Ventilation & A/C (HVAC)
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HVAC Control Systems
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Heating & Air Conditioning (ATC) - DTCS B1059-87 To B10E8-12
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DTC Troubleshooting
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B10C8-11-Blower Motor Control Feedback Circuit-Circuit Short To Ground
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Set Condition
Set Condition
Blower Motor Pulse Width Modulated (PWM) duty cycle is 0% for more than 5 seconds. (This is how the Electronic Control Unit (ECU) detects a short to ground.)