U1064 - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 General Tech Q&A > General

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Old 11-15-2010, 03:10 PM
PCG PCG is offline
Junior Member
2006 Chevy TrailBlazer LS
Sand Beige Metallic 4.2L I6 2WD
Join Date: Nov 2010
Location: GA
Posts: 1

Hi. Great forum.

I've searched and can't find any type of resolution for a U1064 code. I'm hoping someone can help.

My brother brought his TB to me with some issues: poor idle and sometimes not starting. He had a P0106, P0455, P0506, P2119 and U1064. I replaced the ignition switch, gas cap and cleaned the throttle body. He told me that it was running and idling much better.

However, I received a call today that the security light has flashed a few times and now the car will not crank. The electronics seems to be going crazy.

I'm going to scan the car this evening and expect to see the U1064 code again - Body control module/loss of communication with DIM. Any ideas ?

Thanks for any input.
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Old 01-16-2013, 07:56 PM
08 trailb 08 trailb is offline
Junior Member
2008 Chevy TrailBlazer LS
Light Pewter Metallic 4.2L I6 4X4
Join Date: Mar 2012
Location: kentucky
Posts: 8
I got the same code and more C0455,C0196,U1064, U1017,U1026
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Old 01-16-2013, 09:02 PM
moostadon moostadon is offline
Junior Member
2005 Chevy TrailBlazer LT EXT
Magnetic Red Metallic 5.3L V8 4X4
Join Date: Dec 2011
Location: west olive ,mi
Posts: 14
id say either there is a break in a wire in the steering collum for the vats system that goes to the pcm for the security system,or the pcm is dying its self
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