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2002 Chevrolet Silverado 3500 6.6L MIL Lamp on
Posted to GM Driveability on 2/28/2017 3 Replies

Hello and thanks for reading.

Have this truck that sets U1800, U2104 and U2105 every time you drive it. Sometimes takes several miles. Sometimes just idling. Also illuminates the MIL.

Symptom are showing up in the transmission shift quality. It is harsh but ...

3 Replies Received (View Replies)

  Related Documents & Media  2002 Chevrolet Silverado 3500

 
Message Closed w/Summary

car Vehicle Data

2002 Chevrolet Silverado 3500

VIN 1GCJC33152
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

U1800Lost Communication With Fuel Injector Control Module
U2104Controller Area Network Bus Reset Counter Overrun
U2105Lost Communication With Engine Control System
Message Closed w/Summary

car Vehicle Data

2002 Chevrolet Silverado 3500

VIN 1GCJC33152
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

U1800Lost Communication With Fuel Injector Control Module
U2104Controller Area Network Bus Reset Counter Overrun
U2105Lost Communication With Engine Control System