Duramax Diesels Forum Truck of the Week
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Old 02-26-2016, 03:43 PM
N2BRK N2BRK is offline
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Default Lock up box and tps error

I bought the box used from a member here a few weeks ago. I love it! But this morning I popped a P2138. I reset it and nothing came back yet. Any ideas on this?

Thanks!!
Wally
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Old 02-26-2016, 04:39 PM
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Which box

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Old 02-26-2016, 05:10 PM
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2138 and 2140 will be thrown any time the box is used. Typically they are ghost codes and will not set the light.
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Old 02-26-2016, 05:56 PM
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Quote:
Originally Posted by Awenta View Post
Which box
Title says BT

Quote:
Originally Posted by mike diesel View Post
2138 and 2140 will be thrown any time the box is used. Typically they are ghost codes and will not set the light.
The codes associated with the box are 1271 and 1272 unless the 6 speed box is different.

OP double check all of your connections, solder the connections too don't use the t-taps.
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Old 02-26-2016, 08:03 PM
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Thanks. Yep it's the 6 speed BT box. My truck flashed an Engine Power Reduced message at me this morning, which prompted me checking codes. Most connections are soldered, but I did use tap ins on the TPS and ground to the BCM.
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Old 02-26-2016, 08:05 PM
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It's the first hiccup since I installed a few weeks ago. I'm away from home on business until Sunday, so I can't do much right now.
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Old 02-27-2016, 06:49 AM
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Just fired up again. First since yesterday morning. Threw the code again right away. Damn
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Old 02-27-2016, 06:58 AM
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Interesting. Keeps throwing it. Box not coming on either. I'd better check fuse and connections when I get home
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Old 02-27-2016, 08:11 AM
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It's throwing the code when you start the truck or when you use the box or arm the box?
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Old 02-27-2016, 12:41 PM
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Start the truck and before I make it a block or so, it throws. I did not try to arm. Last time I noticed no light, so I tried to arm and nothing happened.
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Old 02-27-2016, 12:41 PM
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Temps are so low lately, that the trans would be too cold to arm even if I tried
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Old 02-27-2016, 05:36 PM
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Uh oh. Now it's every time that I stop. I made it through my appointments tonight with one hand on the wheel and one on the clear dtc codes button hope to make it home.
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Old 02-27-2016, 07:20 PM
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I decided to try for home tonight instead of tomorrow. Each stop it limped. Anything more than light throttle it limped. At least I'm home. Hopefully I can find something tomorrow.
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Old 02-27-2016, 07:36 PM
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On of these codes is a throttle code, if you unplug the box what happens
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Old 02-28-2016, 09:19 AM
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Unugged it all. P2761. Going to just unplug controller next I guess
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