LEMON Manuals
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Grand Cherokee SRT-8
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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(Front Control Module (FCM) - Electrical Diagnostics)
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DTC Troubleshooting
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B10B4-Cabin Heater 1 Control Circuit Low
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Possible Causes
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Possible Causes
Possible Causes
(A15) FUSED ASD RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE
(K360) PTC NO. 1 RELAY CONTROL CIRCUIT SHORTED TO GROUND
(K360) PTC NO. 1 RELAY CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
PTC NO. 1 RELAY
FRONT CONTROL MODULE (FCM)