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International Automotive Technicians Network
Posted to Technical Tips Forum on 10/11/2019 20 Replies

I had an unusual thing happen after I replaced the battery on my 2011 Chevrolet Avalanche. The details are as follows:

2011 Chevrolet Avalanche 5.3L (but applies to many 2005-2011 GM cars & trucks)

Problem:After the battery was replaced on my truck the digital clock section of the radio/navigation display disappeared! I had no clock! When I went to the clock adjustment section of the display the clock digits icon was missing; there was no way to adjust the clock because it was literally missing.

Cause:Internal display software glitch (as explained by a friend who is a GM factory rep.) There is a GM PI document (#PIT5652E) that explains how to restore the clock function on the display. I performed the procedure & the clock returned! I have replaced many batteries on GM trucks over the years and I never had this problem occur. I have the document in PDF format so if anyone would like it email me.

Douglas Andrew, Jr.
Doug's Automotive Repair Service Inc.
Miami, Florida, USA

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