C28 error code gsxr. Feb 24, 2024 · Messing with the STVA is just going to cause mor...
C28 error code gsxr. Feb 24, 2024 · Messing with the STVA is just going to cause more issues. Start by inspecting the TPS connector for corrosion or loose pins. May 3, 2010 · 2004 GSXR 600 13000 miles OK, here's what happened. but I also have a c28 showing now. In dealer mode it shows C29 which means throttle position sensor malfunction. I follow the directions according to the link which the white connection was still plugged up to the Servo and splice the other two wires B/R & R/B. any ideas? i did a serach already and really only found one thread about it, and it ended with the suggestion of taking it to the dealer for some sort of warranty Dec 2, 2007 · Obviously, I didn't fix the C28 code, so the light is still on, which blows ass. You need to test the resistance values of the sensor and make sure it's linear. Me and a few other bikes went riding this evening. How do I get the light off? I detached the sensors, but as I expected, that didn't fix it. Suzuki GSX-R 1000 Service Manual / Engine / Engine general information and diagnosis / Diagnostic information and procedures / DTC “c28” (p1655): secondary throttle valve actuator (stva) malfunction Learn the Tools, Tips and Tricks to permanently fix the notorious C28 code associated with the Secondary Throttle Valve Actuator (STVA). My theory is that with the known regulator/rectifier issues, there's some spikes or dips that are damaging the stepper control on the ECU. It's a little black box connected to the throttle body, should have a 4 wire harness coming out of it. The C28 error code on a 2004 Suzuki GSXR 750 typically indicates a problem with the throttle position sensor (TPS) or its wiring. Buy a meter. Nov 18, 2006 · The C28 code alot of times is from a bad sensor, or the unit is out of adjustment from the TPS. You can tell when it gives the code, there is a floating bar next to it, you want the bar to adjust to the middle while showing C00 therefor you know the TPS is in correct adjustment. . Dec 16, 2004 · This is weird, after riding my 2002 GSXR-1000 over 19,000 miles I get the F1 code C46. Never mistake education for intelligence. You'll need one anyway to set the new sensor to the correct position. The problem is that FI light stays on. I shut the bike off and re May 10, 2015 · I loved my 06 GSXR 750 but between regulator rectifiers, stators, set valves, and now this, they almost seem part italian. Aug 25, 2010 · My Definitve solution to c28 code or STVA fix Jump to Latest 4K views 2 replies 3 participants last post by ars0n750 Aug 25, 2010 A May 3, 2010 · 2004 GSXR 600 13000 miles OK, here's what happened. went back out and started the bike as normal, however this time the red indicator light stayed on and FI starting flashing. Prop up the tank, on the right side of the throttle body (under the airbox) is the STV motor. Mar 2, 2012 · The main reason to test is because the more recent C28 codes on the k6-7 bikes have been caused by the ECU. (code 46 or something) . Mar 26, 2025 · C28 and c29 codes c28 c29 help gsxr stva Jump to Latest 797 views 15 replies 3 participants last post by Kabarra Mar 26, 2025 K Oct 23, 2013 · I have recently purchased a gsxr 750 2007 , it has a power commander installed , when I start t the fault code C28 comes up , it's the secondary throttle valve actuator , is this serious , or does it have something to do with the power commander , any help would be appreciated . Code is gone which I tested this after for over 1 hour. It's likely your sensor has an internal short or a dead spot. My bike has aftermarket exhaust and secondary throttle valve actuator has been removed. There has got to be a way to jumper the sensor so that I can turn that damn light off, but not disable it in case something else were to go wrong. Pulled over and got something to eat. Throttle positin sensor itself seems to be working nicely while Aug 25, 2010 · My Definitve solution to c28 code or STVA fix Jump to Latest 4K views 2 replies 3 participants last post by ars0n750 Aug 25, 2010 A. Oct 25, 2008 · well got 2 codes, but i took care of the exhaust servo no problem. I shut the bike off and re Jan 10, 2010 · Bike throwing an FI code? Here's how to put it in dealer mode to find that code 1- remove seat 2- locate the dealer terminal (white 6 prong box with black dust cap) This will be located next to or behind the fuse box (under the subframe support truss) 3- remove dust cap and expose the Jan 11, 2009 · I have a Gsxr 600 k1. Oct 25, 2008 · First thing to check is the connector to make sure its together and making contact. Mar 10, 2008 · the warning light on my bike stays on - get the code reading C28 - anyone know how to remedy this problem - please Jun 22, 2010 · Im having the same problem my shop inpounded a 02 suzuki gsxr 1000 and i brought it i entered the dealer code and it comes up as _c29 some one said because it has a different exhaust on it micron is that true . uovqcgrrdnydpwlaybqccebunajckdwdjpgdevyblupml