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96 gmc sonoma truck will barely pull out in drive or OD
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boo12kp
New User
Oct 24, 2011, 10:57 AM
Post #1 of 4
(2191 views)
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96 gmc sonoma truck will barely pull out in drive or OD
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I have a 1996 gmc sonoma,4.3 v-6 auto trans.Reverse,1st and 2nd gear are normal.. but will barely pull out in drive or OD it has 89,000 miles on it what can be the problem i can put it into 2 nd and pulls out fine then i can shift it into drive and OD and it shifts just fine it just not getting enough power to pull out from a complete stop
(This post was edited by boo12kp on Oct 24, 2011, 1:40 PM)
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Discretesignals
Ultimate Carjunky
/ Moderator
Oct 25, 2011, 5:03 AM
Post #2 of 4
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Re: 96 gmc sonoma truck will barely pull out in drive or OD
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Check engine light on? See if there are any trouble codes being stored in the PCM.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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boo12kp
New User
Oct 25, 2011, 7:19 AM
Post #3 of 4
(2125 views)
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Re: 96 gmc sonoma truck will barely pull out in drive or OD
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Yes the check engine light is on the code is p1886 the shiftB solenoid failed is it a wiring problem to the PCM or is it the PCM bad or do I have to pull the plate to change the solenoid itself?
(This post was edited by boo12kp on Oct 25, 2011, 7:28 AM)
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Discretesignals
Ultimate Carjunky
/ Moderator
Oct 25, 2011, 6:34 PM
Post #4 of 4
(2112 views)
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Re: 96 gmc sonoma truck will barely pull out in drive or OD
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That code means the VCM (vehicle control module) is seeing either 0 volts or 12 volts when it commands the 3-2 solenoid. The power to the solenoid is shared by the other solenoids in the transmission. Power missing to the transmission or a short in the wiring before the solenoids can set that code.
Start off by checking the Trans fuse in the IP fuse block. Inspect the fuse and make sure it isn't blown. Also check for power at the fuse using a volt meter with the engine running.
Without power to the transmission, the transmission defaults into second gear which explains the slow take off.
Just curious, but in the instrument cluster is the PRNDL display working?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Oct 25, 2011, 6:39 PM)
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