Mike's Workshop Manuals
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Jeep
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2018
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Wrangler Unlimited Moab
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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) - DTCS P1D91-00 To U1477-00
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DTC Troubleshooting
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P1DAA-00-Trans Temp Undetermined
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Set Condition
Set Condition
A malfunction is detected by any combination of two transmission temperature sensors indicating a failure.