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2014
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Wrangler Unlimited Sahara, Standard Trans
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Repair and Diagnosis
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Transmission
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Automatic Trans
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(Transmission Control Module (TCM) - Electrical Diagnostics)
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DTC Troubleshooting
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P1631-TCM Internal- Processor Clock Performance
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Set Condition
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Set Condition
If the TCM detects an error with the controllers internal clock.