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Grand Cherokee SRT
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6.4L - DTCS P2172 To U1440
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DTC Troubleshooting
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U0405-Implausible Data Received From Cruise Control Module
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Set Condition
Set Condition
The Powertrain Control Module receives an implausible Speed Control message over the Bus from the Cruise Control Module via the Steering Column Control Module for 0.5 seconds.