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2025
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Grand Cherokee L Summit
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Repair and Diagnosis
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Engine Performance
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System
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3.6L - DTCS B1810 To B25C8
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DTC Troubleshooting
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B23BB Stop/Start Disable Switch 1 Circuit Open
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Set Condition
Set Condition
The Powertrain Control Module (PCM) receives a message over the CAN BUS from the Electronic Shift Module (ESM) that there is a fault with the Stop/Start Disable Switch.