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08-23-2011, 08:42 PM
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#1
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V6 Member
Join Date: Oct 2010
Location: St. Augustine
Name: John
Age: 34
Posts: 242
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Electronic Throttle Control Light??
Was sitting in drive through today and the truck starts revving up to about 5 grand. I threw it in park and cut it off. Cranked it back up and it ran fine. Took it to advanced and they couldn't find any codes. The only light that came on when this happened was the ETC (Lightning Bolt). Any ideas?
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08-23-2011, 08:45 PM
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#2
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Florida Chapter Vice President
Join Date: Jan 2011
Location: FL
Name: Daniel
Age: 36
Posts: 3,354
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Hmm, have you ever cleaned out the throttle body? It might have gotten stuck open. Either that or the Idle control Motor inside the thing is giving out.
Here is my DIY on cleaning the TB, it takes about an hour tops. Easy thing to eliminate.
http://www.semopar.com/showthread.php?t=1178
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2013 Chrysler 300C
2010 Avenger (REVENGE)
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08-23-2011, 09:18 PM
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#3
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Turbo Member
Join Date: Feb 2011
Location: Virginia/Philippines
Name: PI_greg
Posts: 1,370
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My guess you were pushing on the gas pedal while getting money out of your pocket. I would try resetting the PCM to see if you can get a fresh code. good luck.
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PI_greg 2003 SXT-Hemi, SS/T rims, 275/60-17, AeroForce, w/wideband, 6.1 ignition, K&N-77 CAI, Fastman TB, eFan, 180 stat, TMR, HD OEM Trans Cooler, SC3865/PSC1, Dual window switch/ high idle mod, Edge, Crazy Spartan (112 lsa), 2800, DTT 4:10, TCI Floor Shifter, Shift lite, Pacesetter Ceramic LT's, Magna Spun Cats/SI/DO Muffler, Mcgaughys 2/4.5 spindle kit, Monroe shocks, Caltracs, Aeon springs bumps, SRT-10 gage pillar, air horn
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08-23-2011, 10:37 PM
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#4
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V6 Member
Join Date: Oct 2010
Location: St. Augustine
Name: John
Age: 34
Posts: 242
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I wasnt. Foot was on the brake, had already paid was waiting on food. Truck didnt surge or anything just the RPM's shot up. Ran rough for a couple minutes after I restarted it but cleared up once I got on US1. Will clean the TB tomorrow after work, had already planned on it. Hoping its nothing worse than that.
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08-23-2011, 11:24 PM
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#5
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Newb
Join Date: Apr 2011
Location: Southern Alberta
Name: Danny
Age: 61
Posts: 71
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Agree with Daniel and Greg's Ideas on a possible remedy. Lightning Bolt for me is Limp Mode and 1500 RPM....LOl..
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 Crazy Spartan Cam, 6.1 rods, springs, oil pump. Pro-Sport UD Damper, e-fan, Ported TB, AEM Brute Force CAI, PWR Wire, Hooker SC headers, Flo-Tech Y pipe, SC 3865, NGK 2315's, HD cooler w/shift kit w/resistor in, TMR Delete, TCI Breakaway 2600 TC, Magnaflow 18", custom tailpipes, Auburn LSD, 4.56 gears, duratrac 285's, 2' lift, SRT-10 Hood. Awaiting Install: PSC 1-003 B&M Shifter, Cab Lights.
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08-23-2011, 11:47 PM
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#6
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SRT Member
Join Date: Nov 2010
Location: Oklahoma
Name: Colton
Age: 29
Posts: 1,513
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Not a Ram... But my mom's Chrysler 300 used to do that. She would just be going down the road and that light came on and threw it into limp mode. Pretty weird...
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08-24-2011, 07:19 AM
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#7
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V6 Member
Join Date: Oct 2010
Location: St. Augustine
Name: John
Age: 34
Posts: 242
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I did reset the PCM before I left advanced. Still no codes given. I just hope this dont happen going down the highway. Runaway Ram.
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08-24-2011, 07:37 AM
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#8
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Banned
Join Date: Feb 2011
Age: 47
Posts: 494
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........
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Last edited by ORT; 09-14-2012 at 08:55 PM.
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08-24-2011, 09:07 AM
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#9
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Turbo Member
Join Date: Feb 2011
Location: Virginia/Philippines
Name: PI_greg
Posts: 1,370
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I use a piggyback tuner on my truck that modifies the MAP signal to richen or lean the tune. This works in conjunction with the PCM and the goal is to minimize the short trim numbers. If the tune drives the MAP value outside the pre-determined parameters it will throw the lighting bolt. Also if you manually push on the butterfly, again you can get a lighting bolt. The lighting bolt most often will put the truck into limp mode. When the ignition is first turned on the PCM closes the TB completely and registers the value. This self calibration, establishes a value for the PCM to then adjust the idle motor to maintain a PCM determined idle. The primary inputs are the MAP, O2 sensors, Crank sensor, TPS/ICM. Controlled by the APPS (acellerator pedal position sensor). if anythig gets out of sync in this loop it'll cause the engine to run erratic and you will get a lighting bolt. Dirty TB, loose plug, water, broken wire, component failure and bad fuel can be the problem. Good luck
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PI_greg 2003 SXT-Hemi, SS/T rims, 275/60-17, AeroForce, w/wideband, 6.1 ignition, K&N-77 CAI, Fastman TB, eFan, 180 stat, TMR, HD OEM Trans Cooler, SC3865/PSC1, Dual window switch/ high idle mod, Edge, Crazy Spartan (112 lsa), 2800, DTT 4:10, TCI Floor Shifter, Shift lite, Pacesetter Ceramic LT's, Magna Spun Cats/SI/DO Muffler, Mcgaughys 2/4.5 spindle kit, Monroe shocks, Caltracs, Aeon springs bumps, SRT-10 gage pillar, air horn
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08-24-2011, 05:46 PM
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#10
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V6 Member
Join Date: Oct 2010
Location: St. Augustine
Name: John
Age: 34
Posts: 242
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Got her clean. It was BLACK. But now its making a weird noise when turning key to on position. Runs fine though? Heres a cell phone picture. Kinda hard to see how nasty it was.
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2001 Dodge Ram
Linear Mode
