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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