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Corvette
General Corvette Discussion
EBTCM, Repair or Replace
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<blockquote data-quote="RockyPM" data-source="post: 242942"><p>There are resistors that fail and can be replaced. Saw it on Wheeler Dealer's program. Googled and found this from another website. Hope it helps and if you don't want to attempt it yourself, find a local shop or electronics repair to do it.</p><p></p><p><strong>For 2001 and later C5's</strong></p><p></p><p>First, if you don’t already know how, you’ll want to <a href="http://www.stengel.net/diccodes.htm" target="_blank">Pull Your Codes</a></p><p></p><p>Next, I will direct you to the <a href="http://forums.corvetteforum.com/c5-tech/896875-important-electrical-information-long.html" target="_blank">Electrical Info Thread</a> where you should try to take care of any issues you could have in the ground points. (Thanks to Bill Curlee for the thread)</p><p></p><p>Once the grounds have been cleaned and taken care of we’ll move on to <a href="http://www.conceptualpolymer.com/Electronic%20Body%20Control%20Module.pdf" target="_blank">the removal of the EBCM.</a> I'm aware that step 7 says to send it to ABSfixer. Disregard that step and we'll proceed to the disassembly of the EBCM.</p><p></p><p>Items required:</p><p>Soldering Iron</p><p>Solder</p><p>De-Solder braid or pump</p><p>1 Phillips Screw Driver</p><p>Exacto Knife</p><p>Tube of Silicone Sealent</p><p></p><p>Now in order to remove the case I followed these steps:</p><p></p><p>1. remove 4 x screws</p><p>2. remove silicon from that hole on the back lower corner of the EBCM.</p><p>3. use a 2BA (or similar) 'thread tap' to cut a thread in that hole</p><p>4. screw matching thread screw/bolt into hole, (it misses pcb inside) until it touches cover plate (screw/bolt needs to be 3" long max).</p><p>5. carry on winding the screw in until it starts pushing the cover plate away enough to break that gasket seal and allow space to insert those flat blade screwdrivers and work around the remainder. (Thank You JerseyC5)</p><p></p><p>But if you’re like me you won’t have a tap to make a nice threaded hole. I was lucky and found a screw long enough and small enough to be threaded by hand. This is used to apply enough pressure so the back would separate. Refer to the image and said screw I used:</p><p></p><p>[IMG alt="Name: DSCN0070.jpg</p><p>Views: 18221</p><p>Size: 23.8 KB"]<a href="https://www.corvetteforum.com/forums/attachments/c5-tech/48152659d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-dscn0070.jpg[/IMG]" target="_blank">https://www.corvetteforum.com/forums/attachments/c5-tech/48152659d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-dscn0070.jpg[/IMG]</a></p><p></p><p>Once the EBCM is taken apart it will look this (Once again Thank You Bill Curlee):</p><p></p><p>[IMG alt="Name: C5EBTCMdisassembled9.jpg</p><p>Views: 17962</p><p>Size: 169.5 KB"]<a href="https://www.corvetteforum.com/forums/attachments/c5-tech/48152660d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled9.jpg[/IMG]" target="_blank">https://www.corvetteforum.com/forums/attachments/c5-tech/48152660d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled9.jpg[/IMG]</a></p><p></p><p>[IMG alt="Name: C5EBTCMdisassembled13.jpg</p><p>Views: 18549</p><p>Size: 182.7 KB"]<a href="https://www.corvetteforum.com/forums/attachments/c5-tech/48152661d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled13.jpg[/IMG]" target="_blank">https://www.corvetteforum.com/forums/attachments/c5-tech/48152661d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled13.jpg[/IMG]</a></p><p></p><p>[IMG alt="Name: C5EBTCMdisassembled6.jpg</p><p>Views: 17840</p><p>Size: 100.7 KB"]<a href="https://www.corvetteforum.com/forums/attachments/c5-tech/48152662d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled6.jpg[/IMG]" target="_blank">https://www.corvetteforum.com/forums/attachments/c5-tech/48152662d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled6.jpg[/IMG]</a></p><p></p><p></p><p><img src="http://img.photobucket.com/albums/v402/bill327/C5EBTCMdisassembled4.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>[IMG alt="Name: C5EBTCMdisassembled1.jpg</p><p>Views: 17505</p><p>Size: 167.9 KB"]<a href="https://www.corvetteforum.com/forums/attachments/c5-tech/48152663d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled1.jpg[/IMG]" target="_blank">https://www.corvetteforum.com/forums/attachments/c5-tech/48152663d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled1.jpg[/IMG]</a></p><p></p><p></p><p>[IMG alt="Name: C5EBTCMdisassembled12.jpg</p><p>Views: 17843</p><p>Size: 120.1 KB"]<a href="https://www.corvetteforum.com/forums/attachments/c5-tech/48152664d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled12.jpg[/IMG]" target="_blank">https://www.corvetteforum.com/forums/attachments/c5-tech/48152664d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled12.jpg[/IMG]</a></p><p></p><p>You may need some good lighting and possibly a magnifying glass to inspect the solder points of 5posts.</p><p></p><p>[IMG alt="Name: 6622041b.jpg</p><p>Views: 17878</p><p>Size: 43.0 KB"]<a href="https://www.corvetteforum.com/forums/attachments/c5-tech/48152665d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-6622041b.jpg[/IMG]" target="_blank">https://www.corvetteforum.com/forums/attachments/c5-tech/48152665d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-6622041b.jpg[/IMG]</a></p><p></p><p>This most likely, as with so many others on the Forum causing the C1214 code. You need to get a soldering iron and some solder to re-solder any point that looks questionable. Once done you will want to test the EBCM, so put the box back together WITHOUT sealant and temp install the EBCM in your C5. Clear any codes before starting your car and you should be ok to start her up and check for any DIC messages.</p><p></p><p>If you have no messages then you've successfully repaired your own EBCM. Remove the EBCM apply some silicone and put the box back together completely. Install the EBCM using the steps <a href="http://www.conceptualpolymer.com/Electronic%20Body%20Control%20Module.pdf" target="_blank">here</a> in reverse.</p><p></p><p></p><p>For replacing relay</p><p>If you suspect or may want to buy a new relay as a “just in case,” you’ll need to <a href="https://www.digikey.com/product-detail/en/te-connectivity-potter-brumfield-relays/ORWH-SH-112DN000/PB1321-ND/3318145" target="_blank">Go HERE</a>and place an order for a new relay (The relay PB1321-ND HAS BEEN SUPERCEDED BY N000ORWH-SH-112D, N000 & the link is current with this info). You’ll also need to remove the silicone that’s surrounding the relay like so</p><p></p><p>[IMG alt="Name: DSCN0077.jpg</p><p>Views: 17406</p><p>Size: 43.7 KB"]<a href="https://www.corvetteforum.com/forums/attachments/c5-tech/48152666d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-dscn0077.jpg[/IMG]" target="_blank">https://www.corvetteforum.com/forums/attachments/c5-tech/48152666d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-dscn0077.jpg[/IMG]</a></p><p></p><p>[IMG alt="Name: DSCN0078.jpg</p><p>Views: 17225</p><p>Size: 45.7 KB"]<a href="https://www.corvetteforum.com/forums/attachments/c5-tech/48152667d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-dscn0078.jpg[/IMG]" target="_blank">https://www.corvetteforum.com/forums/attachments/c5-tech/48152667d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-dscn0078.jpg[/IMG]</a></p><p></p><p>Be very careful to not cut anything around the relay or the Circuit Board. Once the silicone is removed de-solder the points and cut a small amount off of each post in order to lower the relay and slide it out.</p><p></p><p>Take the new relay and just like the relay you removed, you may have to cut some material off each post to get it to fit. Install the relay, solder the points and refer to the instructions for install above.</p><p></p><p>Hopefully this makes enough sense for you guys to follow. Again if you have any questions feel free to ask.</p><p></p><p>Thanks to everyone who helped me and to the members who had previous info on this stupid C1214 code.</p><p></p><p>nvusgt</p></blockquote><p></p>
[QUOTE="RockyPM, post: 242942"] There are resistors that fail and can be replaced. Saw it on Wheeler Dealer's program. Googled and found this from another website. Hope it helps and if you don't want to attempt it yourself, find a local shop or electronics repair to do it. [B]For 2001 and later C5's[/B] First, if you don’t already know how, you’ll want to [URL='http://www.stengel.net/diccodes.htm']Pull Your Codes[/URL] Next, I will direct you to the [URL='http://forums.corvetteforum.com/c5-tech/896875-important-electrical-information-long.html']Electrical Info Thread[/URL] where you should try to take care of any issues you could have in the ground points. (Thanks to Bill Curlee for the thread) Once the grounds have been cleaned and taken care of we’ll move on to [URL='http://www.conceptualpolymer.com/Electronic%20Body%20Control%20Module.pdf']the removal of the EBCM.[/URL] I'm aware that step 7 says to send it to ABSfixer. Disregard that step and we'll proceed to the disassembly of the EBCM. Items required: Soldering Iron Solder De-Solder braid or pump 1 Phillips Screw Driver Exacto Knife Tube of Silicone Sealent Now in order to remove the case I followed these steps: 1. remove 4 x screws 2. remove silicon from that hole on the back lower corner of the EBCM. 3. use a 2BA (or similar) 'thread tap' to cut a thread in that hole 4. screw matching thread screw/bolt into hole, (it misses pcb inside) until it touches cover plate (screw/bolt needs to be 3" long max). 5. carry on winding the screw in until it starts pushing the cover plate away enough to break that gasket seal and allow space to insert those flat blade screwdrivers and work around the remainder. (Thank You JerseyC5) But if you’re like me you won’t have a tap to make a nice threaded hole. I was lucky and found a screw long enough and small enough to be threaded by hand. This is used to apply enough pressure so the back would separate. Refer to the image and said screw I used: [IMG alt="Name: DSCN0070.jpg Views: 18221 Size: 23.8 KB"][URL]https://www.corvetteforum.com/forums/attachments/c5-tech/48152659d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-dscn0070.jpg[/IMG][/URL] Once the EBCM is taken apart it will look this (Once again Thank You Bill Curlee): [IMG alt="Name: C5EBTCMdisassembled9.jpg Views: 17962 Size: 169.5 KB"][URL]https://www.corvetteforum.com/forums/attachments/c5-tech/48152660d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled9.jpg[/IMG][/URL] [IMG alt="Name: C5EBTCMdisassembled13.jpg Views: 18549 Size: 182.7 KB"][URL]https://www.corvetteforum.com/forums/attachments/c5-tech/48152661d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled13.jpg[/IMG][/URL] [IMG alt="Name: C5EBTCMdisassembled6.jpg Views: 17840 Size: 100.7 KB"][URL]https://www.corvetteforum.com/forums/attachments/c5-tech/48152662d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled6.jpg[/IMG][/URL] [IMG]http://img.photobucket.com/albums/v402/bill327/C5EBTCMdisassembled4.jpg[/IMG] [IMG alt="Name: C5EBTCMdisassembled1.jpg Views: 17505 Size: 167.9 KB"][URL]https://www.corvetteforum.com/forums/attachments/c5-tech/48152663d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled1.jpg[/IMG][/URL] [IMG alt="Name: C5EBTCMdisassembled12.jpg Views: 17843 Size: 120.1 KB"][URL]https://www.corvetteforum.com/forums/attachments/c5-tech/48152664d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-c5ebtcmdisassembled12.jpg[/IMG][/URL] You may need some good lighting and possibly a magnifying glass to inspect the solder points of 5posts. [IMG alt="Name: 6622041b.jpg Views: 17878 Size: 43.0 KB"][URL]https://www.corvetteforum.com/forums/attachments/c5-tech/48152665d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-6622041b.jpg[/IMG][/URL] This most likely, as with so many others on the Forum causing the C1214 code. You need to get a soldering iron and some solder to re-solder any point that looks questionable. Once done you will want to test the EBCM, so put the box back together WITHOUT sealant and temp install the EBCM in your C5. Clear any codes before starting your car and you should be ok to start her up and check for any DIC messages. If you have no messages then you've successfully repaired your own EBCM. Remove the EBCM apply some silicone and put the box back together completely. Install the EBCM using the steps [URL='http://www.conceptualpolymer.com/Electronic%20Body%20Control%20Module.pdf']here[/URL] in reverse. For replacing relay If you suspect or may want to buy a new relay as a “just in case,” you’ll need to [URL='https://www.digikey.com/product-detail/en/te-connectivity-potter-brumfield-relays/ORWH-SH-112DN000/PB1321-ND/3318145']Go HERE[/URL]and place an order for a new relay (The relay PB1321-ND HAS BEEN SUPERCEDED BY N000ORWH-SH-112D, N000 & the link is current with this info). You’ll also need to remove the silicone that’s surrounding the relay like so [IMG alt="Name: DSCN0077.jpg Views: 17406 Size: 43.7 KB"][URL]https://www.corvetteforum.com/forums/attachments/c5-tech/48152666d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-dscn0077.jpg[/IMG][/URL] [IMG alt="Name: DSCN0078.jpg Views: 17225 Size: 45.7 KB"][URL]https://www.corvetteforum.com/forums/attachments/c5-tech/48152667d1501528106-how-to-repair-ebcm-avoiding-costly-repairs-through-absfixer-or-fleabay-dscn0078.jpg[/IMG][/URL] Be very careful to not cut anything around the relay or the Circuit Board. Once the silicone is removed de-solder the points and cut a small amount off of each post in order to lower the relay and slide it out. Take the new relay and just like the relay you removed, you may have to cut some material off each post to get it to fit. Install the relay, solder the points and refer to the instructions for install above. Hopefully this makes enough sense for you guys to follow. Again if you have any questions feel free to ask. Thanks to everyone who helped me and to the members who had previous info on this stupid C1214 code. nvusgt [/QUOTE]
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