
2009 Chevrolet Cobalt LS 2.2L BUS Communication
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,...
Summary posted 7/15/2013
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Message Closed w/Summary
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VIN | 1G1AR55H29 |
Engine | 2.2 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Bus Communication |
Occurs | Intermittently |
Trouble Codes
B1325 | Device Power 1 Circuit Voltage below Threshold |
U2100 | Controller Area Network Bus Communication |
U2105 | Lost Communication With Engine Control System |
U2106 | Lost Communication With Transmission Control System |
U2111 | Lost Communication w/Steering Control Module |
U2129 | Lost Communication w/Remote Function Actuation |
Message Closed w/Summary
Vehicle Data
2009 Chevrolet Cobalt LS
VIN | 1G1AR55H29 |
Engine | 2.2 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Bus Communication |
Occurs | Intermittently |
Trouble Codes
B1325 | Device Power 1 Circuit Voltage below Threshold |
U2100 | Controller Area Network Bus Communication |
U2105 | Lost Communication With Engine Control System |
U2106 | Lost Communication With Transmission Control System |
U2111 | Lost Communication w/Steering Control Module |
U2129 | Lost Communication w/Remote Function Actuation |