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Corvette
C5 Forum
I Need My Buddy Graham…Service Active Handling
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<blockquote data-quote="nascar03" data-source="post: 110767" data-attributes="member: 43"><p>Murray..</p><p> I did a google search about 'active handling warming up'</p><p>I found all sorts of reasons...!</p><p></p><p><em><u>I've gotten this message twice today, followed a couple minutes later by "Warm-up Complete". I've never seen this before. Anyone know what's up? Is this normal?</u></em></p><p></p><p><em><u>According to stories on the forum, if you turn the <a href="http://www.ebay.com/sch/i.html?_nkw=wheel" target="_blank">wheel</a> immediately after starting the car, you'll get the message. Never saw it, but I've heard it several times here.</u></em></p><p></p><p><em><u>Usually I'll get the message say mid day leaving for lunch. It's nasty hot out too. A few times I've seen it in the winter months, but its rare.</u></em></p><p><em><u></u></em></p><p><em><u>That's intetesting. This is my second C5 and I've never seen it before today. Both times I was pulling out from parking while turning the <a href="http://www.ebay.com/sch/i.html?_nkw=wheel" target="_blank">wheel</a>, so that might be it. Thanks!</u></em></p><p></p><p><em><u>Yeah same here, pulling out of the parking lot at work at very low speed and some 90° turns.</u></em></p><p></p><p><em><u>Upon startup, Active Handling needs to "calibrate" itself while you drive straight w/ no significant <a href="http://www.ebay.com/sch/i.html?_nkw=steering" target="_blank">steering</a> angle input. When you start off w/ these slow, tight maneuvers, the process cannot yet complete. You'll notice that once you straighten out and drive w/o turning for a little bit, the "Warm Up Complete" message will come</u></em></p><p></p><p><em><u>If your ALIGNMENT is significantly off (<a href="http://www.ebay.com/sch/i.html?_nkw=steering" target="_blank">steering</a> wheel not straight when your driving straight down the road) it can cause it to come on a lot more frequently</u></em></p><p><em><u>Like it was stated previously, unless the EBTCM has a chance to calibrate the signals from the Steering Wheel Position Sensor (SWPS),, You will see that message.</u></em></p><p><em><u>If it comes on and stays on, or if you get a DTC and messages, then that would be an issue.</u></em></p><p></p><p><em><u>From the Service Manual</u></em></p><p><em><u>Traction Control and Active Handling System Indicator(s)</u></em></p><p><em><u>ACT HNDLG-WARMING UP</u></em></p><p><em><u>The IPC illuminates the ACT HNDLG-WARMING UP indicator in the message center when the following occurs:</u></em></p><p><em><u>The active handling option needs to be present in order for this indicator to appear. The EBCM detects that the engine is on and the vehicle speed is at 6 mph (10 km/h) or below. The IPC receives a class 2 message from the EBCM. The DIC will display this message for 3.5 seconds and then turn off. A chime will sound will this message is displayed. </u></em></p><p><em><u>When this message is displayed the traction control and active handling system indicator turns on. </u></em></p><p><em><u></u></em></p><p><em><u>WARM UP COMPLETE</u></em></p><p><em><u>The active handling option needs to be present in order for this indicator to appear. The IPC illuminates the WARM UP COMPLETE indicator in the message center when the EBCM has completed the functional check of the active handling system. The IPC receives a class 2 message from the EBCM. The DIC will display this message for 3.5 seconds and then turn off. A chime will sound will this message is displayed.</u></em></p><p></p><p>I would put the new SWPS in my glove box and believe that I have solved the problem.</p><p>Keep checking for codes.</p><p>I hope you can gain back the feeling of confidence in your ride.</p><p></p><p>Graham</p></blockquote><p></p>
[QUOTE="nascar03, post: 110767, member: 43"] Murray.. I did a google search about 'active handling warming up' I found all sorts of reasons...! [I][U]I've gotten this message twice today, followed a couple minutes later by "Warm-up Complete". I've never seen this before. Anyone know what's up? Is this normal?[/U][/I] [I][U]According to stories on the forum, if you turn the [URL='http://www.ebay.com/sch/i.html?_nkw=wheel']wheel[/URL] immediately after starting the car, you'll get the message. Never saw it, but I've heard it several times here.[/U][/I] [I][U]Usually I'll get the message say mid day leaving for lunch. It's nasty hot out too. A few times I've seen it in the winter months, but its rare. That's intetesting. This is my second C5 and I've never seen it before today. Both times I was pulling out from parking while turning the [URL='http://www.ebay.com/sch/i.html?_nkw=wheel']wheel[/URL], so that might be it. Thanks![/U][/I] [I][U]Yeah same here, pulling out of the parking lot at work at very low speed and some 90° turns.[/U][/I] [I][U]Upon startup, Active Handling needs to "calibrate" itself while you drive straight w/ no significant [URL='http://www.ebay.com/sch/i.html?_nkw=steering']steering[/URL] angle input. When you start off w/ these slow, tight maneuvers, the process cannot yet complete. You'll notice that once you straighten out and drive w/o turning for a little bit, the "Warm Up Complete" message will come[/U][/I] [I][U]If your ALIGNMENT is significantly off ([URL='http://www.ebay.com/sch/i.html?_nkw=steering']steering[/URL] wheel not straight when your driving straight down the road) it can cause it to come on a lot more frequently Like it was stated previously, unless the EBTCM has a chance to calibrate the signals from the Steering Wheel Position Sensor (SWPS),, You will see that message. If it comes on and stays on, or if you get a DTC and messages, then that would be an issue.[/U][/I] [I][U]From the Service Manual Traction Control and Active Handling System Indicator(s) ACT HNDLG-WARMING UP The IPC illuminates the ACT HNDLG-WARMING UP indicator in the message center when the following occurs: The active handling option needs to be present in order for this indicator to appear. The EBCM detects that the engine is on and the vehicle speed is at 6 mph (10 km/h) or below. The IPC receives a class 2 message from the EBCM. The DIC will display this message for 3.5 seconds and then turn off. A chime will sound will this message is displayed. When this message is displayed the traction control and active handling system indicator turns on. WARM UP COMPLETE The active handling option needs to be present in order for this indicator to appear. The IPC illuminates the WARM UP COMPLETE indicator in the message center when the EBCM has completed the functional check of the active handling system. The IPC receives a class 2 message from the EBCM. The DIC will display this message for 3.5 seconds and then turn off. A chime will sound will this message is displayed.[/U][/I] I would put the new SWPS in my glove box and believe that I have solved the problem. Keep checking for codes. I hope you can gain back the feeling of confidence in your ride. Graham [/QUOTE]
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I Need My Buddy Graham…Service Active Handling
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