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Jeep
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2011
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Wrangler Rubicon, Standard
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Repair and Diagnosis
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Transmission
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Transmission Control Systems
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(Transmission Control Module (TCM) - Electrical Diagnostics - Nag1 Automatic Transmission)
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DTC Troubleshooting
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P1644-Incorrect Variant/Configuration
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When Monitored:
When Monitored:
Continuously with the ignition on.