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2025
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Grand Cherokee Altitude, AWD
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Different car
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Section 57 (Hybrid Control Processor Module (HCP) - DTCS P0602-00 To P062C-00)
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DTC Troubleshooting
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P0602-00 Control Module Programming Error/Not Programmed
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Set Condition
Set Condition
WARNING:
This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
The Hybrid Control Processor (HCP) has detected an internal error.