Mike's Workshop Manuals
: Service manuals for every vehicle
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Jeep
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2021
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Cherokee High Altitude, Automatic T/Case Control
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Repair and Diagnosis
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Accessories & Equipment
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Cruise Control Systems
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(Active Cruise Control (Acc) Module - Electrical Diagnostics)
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DTC Troubleshooting
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P1666-00-Cruise Control Module Internal
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Set Condition
Set Condition
An internal hardware failure has been detected.