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2009 Chevrolet Cobalt LS 2.2L BUS Communication
Posted to GM Driveability on 6/22/2013 16 Replies

We got a real "Head Scratcher" here...We have a customer with this Cobalt that seems to be loosing communication on the serial data line while driving but cannot duplicate. Scan for codes - found several Comminucation BUS codes in history of BCM (U2100, U2105,...

16 Replies Received (View Replies)

  Related Documents & Media  2009 Chevrolet Cobalt LS

 
Message Closed w/Summary

car Vehicle Data

2009 Chevrolet Cobalt LS

VIN 1G1AR55H29
Engine2.2 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsBus Communication
OccursIntermittently

Trouble Codes

B1325Device Power 1 Circuit Voltage below Threshold
U2100Controller Area Network Bus Communication
U2105Lost Communication With Engine Control System
U2106Lost Communication With Transmission Control System
U2111Lost Communication w/Steering Control Module
U2129Lost Communication w/Remote Function Actuation
Message Closed w/Summary

car Vehicle Data

2009 Chevrolet Cobalt LS

VIN 1G1AR55H29
Engine2.2 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsBus Communication
OccursIntermittently

Trouble Codes

B1325Device Power 1 Circuit Voltage below Threshold
U2100Controller Area Network Bus Communication
U2105Lost Communication With Engine Control System
U2106Lost Communication With Transmission Control System
U2111Lost Communication w/Steering Control Module
U2129Lost Communication w/Remote Function Actuation