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Posted on Aug 24, 2010
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Code: U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE What does this mean?

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ZJ Limited

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  • Jeep Master 17,989 Answers
  • Posted on Aug 24, 2010
ZJ Limited
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U0140 Lost Communication With Body Control Module

This generic "U" trouble code applies to all car makers and indicates a problem between the PCM and the body control module. This is likely the result of a problem in the data link between the two modules.

Is the U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE also set?
YES: Follow the diagnostics for U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE
Perform the POWERTRAIN VERIFICATION TEST. See: Verification Tests\Powertrain Verification Test
NO: Replace and program the Powertrain Control Module.
Perform the POWERTRAIN VERIFICATION TEST. See: Verification Tests\Powertrain Verification Test

Good luck.

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Read more at: https://www.obd-codes.com/u0140
Copyright OBD-Codes.com

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BTW, the VE forum at "Just Commodores" website has a wealth of information for the do it yourselfer. Join up & use the search box.
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