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Wrangler Sahara, Standard Trans
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Section 69 (Body Control Module (BCM) - DTCS B1830-11 To U1433-24)
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Diagnosis And Testing
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U0100-00-Lost Communication With ECM/Pcm
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Possible Causes
Possible Causes
WARNING:
This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
POWERTRAIN CONTROL MODULE (PCM) POWERS AND GROUNDS
POWERTRAIN CONTROL MODULE (PCM)
CAN C BUS (+) CIRCUIT OPEN
CAN C BUS (-) CIRCUIT OPEN