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Wont crank U0140 code - 2007 GMC Yukon

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2010 Caddy DTS, occasional no crank no start condition. New battery,checked cleaned computer connections under air filter and under passenger kick panel (BCM). Disconnecting battery solves problem.


Do you know what U code's Are ? Do you have service info. ? Any module on the vehicle can cause a no start , GMLAN Hi & Lo .
2016 Traverse No start GM Lan A sensor that is on the 5 volt ref. circuit could bring down the Data bus . Your best bet , take your vehicle to a guy like in the video . Before you repalce parts you don't need , plus the BCM would need to be programmed . Anti-theft system - key's would need to be programmed too.

Sep 16, 2018 | Cars & Trucks

1 Answer

Dtc code u0140


how to hard reset dtc gt5c

Dec 19, 2013 | Cars & Trucks

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Trouble codes C0305 C0327 U0100 U0101 U0140


co327 is a code for your transfer case encoder motor and the U codes are communication codes. Most likely cause is the encoder motor needs replacement

Feb 11, 2012 | 2007 GMC Yukon

1 Answer

Code: U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE What does this mean?


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.

Aug 24, 2010 | Jeep Liberty Cars & Trucks

5 Answers

Dodge Gr Caravan error codes U0155, U110C, U0140


you are incorrect on your code read. u0155 is lost comm with IPC, u110c is no fuel read, u0140 lost comm with BCM and can all be fixed with a new BCM.

Dec 19, 2009 | 2005 Dodge Grand Caravan

1 Answer

Codes - U0140, U0155, U110C


2005 town and country code U110C this problem?

Sep 23, 2009 | 2005 Chrysler Town & Country

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