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2021
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Cherokee Trailhawk
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Repair and Diagnosis
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Engine Performance
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System
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3.2L - DTCS B104D To P0072
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DTC Troubleshooting
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B23BC-Stop/Start Disable Switch 1 Circuit Performance
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Set Condition
Set Condition
The Powertrain Control Module (PCM) receives a message over the Controlled Area Network (CAN) C BUS from the Body Control Module (BCM) that there is a fault with the Stop/Start Disable Switch.