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Wrangler Sahara, Standard Trans
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Different car
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Section 123 (Body Control Module (BCM) - DTCS B1812-2A To U1433-24)
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DTC Troubleshooting
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U0101-00-Lost Communication With TCM
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Possible Causes
Possible Causes
WARNING:
This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
TRANSMISSION CONTROL MODULE (TCM) POWERS AND GROUNDS
TRANSMISSION CONTROL MODULE (TCM)
CAN C BUS (+) CIRCUIT OPEN
CAN C BUS (-) CIRCUIT OPEN