hard shift when cold or tow/haul mode

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April 25th, 2008, 9:05 AM

#11

mroakdale

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RE: hard shift when cold or tow/haul mode

There are no check engine light or codes stored

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April 26th, 2008, 11:06 AM

#12

mroakdale

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RE: hard shift when cold or tow/haul mode

Ok just got back from dealer they updated pcm with new software which included harsh shift 1-2 program, but it did not seem to change anything on my truck. any other ideas?

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