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Jeep
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2018
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Grand Cherokee Trackhawk
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Repair and Diagnosis
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Engine Performance
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System
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6.2L - DTCS P0443 To P0685
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DTC Troubleshooting
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P0591-Speed Control Switch 2 Performance
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Set Condition
Set Condition
The Steering Control Module (SCM) has detected that a non-permissable combination has occurred in the Speed Control Switch.