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2009 GMC Savana 2500 4.8L No Start, Cuts out, Stall
Posted to GM Driveability on 8/10/2017 5 Replies

van came in on tow truck after stalling a few times with the customer and then finally not restarting. once the van seemingly cools down it starts. the ecm, bcm & tcm showed up with the loss of communication with ebcm code (U0121) and when I intermittently get...

5 Replies Received (View Replies)

  Related Documents & Media  2009 GMC Savana 2500

 
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car Vehicle Data

2009 GMC Savana 2500

VIN 1GTGG29C49
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start, Cuts Out, Stall
OccursHot, Idle, Intermittently

Trouble Codes

U0121Lost Communication With Antilock Brake System Module
U0140Lost Communication With Body Control Module
Message Closed

car Vehicle Data

2009 GMC Savana 2500

VIN 1GTGG29C49
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start, Cuts Out, Stall
OccursHot, Idle, Intermittently

Trouble Codes

U0121Lost Communication With Antilock Brake System Module
U0140Lost Communication With Body Control Module