No 3rd or 4th gear!!!!
#1
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No 3rd or 4th gear!!!!
Took my car to MTI today for some dyno tuning...and for some odd reason, the tranny I traded my th350 setup for last weekend doesn't shift out of second for anything! It threw a total of 5 codes and I'm wondering if anyone has any experience with this.
Codes P0740 Torque converter clutch circuit
P0748 Pressure Control Solenoid
P1860 TCC PWM Solenoid Circuit
PO785 Shift timing solenoid
P0753 Shift solenoid A Electrical
I was told prior to getting this tranny that it didn't want shift from 1-2 until a new Speed sensor was install. That supposidley cleared up the problem. According to Jayson at MTI, using a tech II, he was getting reading to and from the pcm..and therefore my wiring harness is fine. It's something going on inside the tranny it's self.
Any thoughts/suggestions?
Codes P0740 Torque converter clutch circuit
P0748 Pressure Control Solenoid
P1860 TCC PWM Solenoid Circuit
PO785 Shift timing solenoid
P0753 Shift solenoid A Electrical
I was told prior to getting this tranny that it didn't want shift from 1-2 until a new Speed sensor was install. That supposidley cleared up the problem. According to Jayson at MTI, using a tech II, he was getting reading to and from the pcm..and therefore my wiring harness is fine. It's something going on inside the tranny it's self.
Any thoughts/suggestions?
#3
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I had a similar situation after I went with a higher stall converter. When I cleared the codes I regained 3rd and 4th. Of course, that won't take care of the underlying issue but you might get your gears back.
#6
Originally Posted by Q
Took my car to MTI today for some dyno tuning...and for some odd reason, the tranny I traded my th350 setup for last weekend doesn't shift out of second for anything! It threw a total of 5 codes and I'm wondering if anyone has any experience with this.
Codes P0740 Torque converter clutch circuit
P0748 Pressure Control Solenoid
P1860 TCC PWM Solenoid Circuit
PO785 Shift timing solenoid
P0753 Shift solenoid A Electrical
I was told prior to getting this tranny that it didn't want shift from 1-2 until a new Speed sensor was install. That supposidley cleared up the problem. According to Jayson at MTI, using a tech II, he was getting reading to and from the pcm..and therefore my wiring harness is fine. It's something going on inside the tranny it's self.
Any thoughts/suggestions?
Codes P0740 Torque converter clutch circuit
P0748 Pressure Control Solenoid
P1860 TCC PWM Solenoid Circuit
PO785 Shift timing solenoid
P0753 Shift solenoid A Electrical
I was told prior to getting this tranny that it didn't want shift from 1-2 until a new Speed sensor was install. That supposidley cleared up the problem. According to Jayson at MTI, using a tech II, he was getting reading to and from the pcm..and therefore my wiring harness is fine. It's something going on inside the tranny it's self.
Any thoughts/suggestions?
#7
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Thanks for the replies....I'll get it up in the air and check out that harness tomorrow morning. The thing is, it starts off in second and stays there. The only time it'll hit first is when you have the selector in 1 and move it up to 2 or D. Then and only then does a gear change happen. It pretty brutal too.
Oh and Mason, check your PM's
Oh and Mason, check your PM's
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#8
Originally Posted by Q
Took my car to MTI today for some dyno tuning...and for some odd reason, the tranny I traded my th350 setup for last weekend doesn't shift out of second for anything! It threw a total of 5 codes and I'm wondering if anyone has any experience with this.
Codes P0740 Torque converter clutch circuit
P0748 Pressure Control Solenoid
P1860 TCC PWM Solenoid Circuit
PO785 Shift timing solenoid
P0753 Shift solenoid A Electrical
I was told prior to getting this tranny that it didn't want shift from 1-2 until a new Speed sensor was install. That supposidley cleared up the problem. According to Jayson at MTI, using a tech II, he was getting reading to and from the pcm..and therefore my wiring harness is fine. It's something going on inside the tranny it's self.
Any thoughts/suggestions?
Codes P0740 Torque converter clutch circuit
P0748 Pressure Control Solenoid
P1860 TCC PWM Solenoid Circuit
PO785 Shift timing solenoid
P0753 Shift solenoid A Electrical
I was told prior to getting this tranny that it didn't want shift from 1-2 until a new Speed sensor was install. That supposidley cleared up the problem. According to Jayson at MTI, using a tech II, he was getting reading to and from the pcm..and therefore my wiring harness is fine. It's something going on inside the tranny it's self.
Any thoughts/suggestions?
#9
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Ok..I unplugged the harness...and it went into third via autotap! Upon looking at the plug end...it had some gunk on it. I took an air hose and blew the end of the plug harness and into the tranny connector part. Plugged everything back up and viola! I have all gears and lock up. I guess the dirt and grime didn't allow for a complete connection. Thanks for the tips/info!
Q
Q
#10
4l60e
Originally Posted by Q
Took my car to MTI today for some dyno tuning...and for some odd reason, the tranny I traded my th350 setup for last weekend doesn't shift out of second for anything! It threw a total of 5 codes and I'm wondering if anyone has any experience with this.
Codes P0740 Torque converter clutch circuit
P0748 Pressure Control Solenoid
P1860 TCC PWM Solenoid Circuit
PO785 Shift timing solenoid
P0753 Shift solenoid A Electrical
I was told prior to getting this tranny that it didn't want shift from 1-2 until a new Speed sensor was install. That supposidley cleared up the problem. According to Jayson at MTI, using a tech II, he was getting reading to and from the pcm..and therefore my wiring harness is fine. It's something going on inside the tranny it's self.
Any thoughts/suggestions?
Codes P0740 Torque converter clutch circuit
P0748 Pressure Control Solenoid
P1860 TCC PWM Solenoid Circuit
PO785 Shift timing solenoid
P0753 Shift solenoid A Electrical
I was told prior to getting this tranny that it didn't want shift from 1-2 until a new Speed sensor was install. That supposidley cleared up the problem. According to Jayson at MTI, using a tech II, he was getting reading to and from the pcm..and therefore my wiring harness is fine. It's something going on inside the tranny it's self.
Any thoughts/suggestions?
Last edited by 97F1R408; 09-04-2005 at 03:29 PM. Reason: more
#11
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Any reason why this might happen on a completly stock car? I haven't had a chance to run the codes yet, but my car will not shift into 3rd at all. I have 1 and 2 just fine, but NO 3 or 4. Help please!