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2022
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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 B1F10-11 To B2107-16
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DTC Troubleshooting
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B1F12-13-Rear Left Heater Control 2-Circuit Open
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Set Condition
Set Condition
The Comfort Rear Seat Module (CRSM) detects that the Left Rear Seat Back Heater Control circuit current is below 0.5 amps for more than 2 seconds.