FixVault
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Jeep
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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 P054C To P1129
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DTC Troubleshooting
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P0606-Internal Control Processor
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Set Condition
Set Condition
When the Powertrain Control Module (PCM) recognizes an internal failure to communicate or the CMP and CKP Sensor count periods are too short.