TCS LED ON, DSC Blinking
A somewhat less-than-casual search here has turned up nothing useful.
My TCS and DSC lights are on continuously since the second day of my passed weekend track excursion. Well, nearly continuously - They were not on for the second drive this afternoon to the gas station. Then they came back. The DSC light is blinking. The ABS light is off and the start-up sequence is normal. The steering angle sensor is calibrated and I swapped my brakes back to my street setup and it made no difference. Fluids are OK and the wheel speed sensor harnesses and connectors look fine. No blown fuses. I haven't "tested" the DSC/TCS/ABS, but I presume they are inoperative. Everything else about the car is totally normal and there are no weird noises or smells. A battery-pull did nothing and I'm not sure why the lights were off for the one, short drive. They are on right at start-up otherwise. Anyone run into this before? I'll probably have to go to the dealer to get the codes read since they aren't reported as a normal part of CAN/OBD. |
my first thought was steering angle sensor but you've covered that. have had the steering wheel off for any reason?
or what about the yaw sensor... no its called somethign else hold on |
the "combined sensor" located under the rear console. its teh yaw input for the system. if there's no info from it because its disconnected etc...
guess only. i dont have the table to look up the other non OBD codes |
Wheel wasn't off.
I usually do the 20-second button press before I go on track, but somewhere along the line (after a handful of sessions) it failed before I could even press the button. The combined sensor is on my checklist for tomorrow. Thanks for the suggestion. The button itself is on that list as well. |
Hey did you end up finding out what the problem was? It seems that im also having the same problem.
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Nah. I'm pretty sure it is the combined sensor as Zoom suggested, but I don't really care enough to fix it right now.
It's just another thing that I would have to play with when I go on track, so it being inoperative is a bit of a blessing. |
It's gonna be a "C" code.
Just repaired an RX8 with the C1293 code. DSC and TCS lights were both on. Turned out to be a cut and shorted 3rd brake light power wire. That only took 3 hours and 7 fuses to figure out. Code was due to the electrical short in the brake light circuit. C1291 - Open Brake Lamp Switch Contacts During Deceleration C1292 - Brake Fluid Pressure Sensor Circuit C1293 - Code C1291 Set in Previous Ignition Cycle C1294 - Brake Lamp Switch Circuit Always Active C1295 - Brake Lamp Switch Circuit Open C1296 - Brake Fluid Pressure Sensor Circuit C1297 - PCM Indicated Brake Extended Travel Switch Failure |
Yeah, I've had that one before when I had a bulb out.
This one is flashing one, solid on the other. Sometimes only one on, the other off. No drivetrain codes stored. |
yup same with mine my tcs is solid and the dsc is blinking
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https://www.rx8club.com/series-i-trouble-shooting-95/have-abs-dcs-tcs-issues-lights-staying-202843/
See anything I really should add to my list besides Easy's cut and shorted 3rd brake light power wire? Zoom...............little more info on exactly where "combined sensor" and or connector is please? Some reason I'm not getting what rear console means. |
Sub, incase I need this... my traction control has randomly failed before and I had to restart my car to make it work again...
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Mazurfer- its under the cupholders in the rear seat. i dont have access to the manuals right now cause im on my instant on browser. so i cant grab the pic for you
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Got it thanks! I thought that's what you meant, but wasn't sure.
I found it in the electrical manual. |
Originally Posted by Easy_E1
(Post 3860664)
It's gonna be a "C" code.
Just repaired an RX8 with the C1293 code. DSC and TCS lights were both on. Turned out to be a cut and shorted 3rd brake light power wire. That only took 3 hours and 7 fuses to figure out. Code was due to the electrical short in the brake light circuit. C1291 - Open Brake Lamp Switch Contacts During Deceleration C1292 - Brake Fluid Pressure Sensor Circuit C1293 - Code C1291 Set in Previous Ignition Cycle C1294 - Brake Lamp Switch Circuit Always Active C1295 - Brake Lamp Switch Circuit Open C1296 - Brake Fluid Pressure Sensor Circuit C1297 - PCM Indicated Brake Extended Travel Switch Failure i just swapped the 3rd brake light and have the same issue. i tapped the wires pre-harness for power/ground. |
I have had am Issue similar when those lights come on at random if feels like a clutch slipping. This would happen when trying get up to 100mph. I check the connections rest and they would go away. I ran check codes and nothing comes up neither. So I scratch my head like wtf. With the lights coming ok the dash for no reason. This wouldnt happend all time just at random only.
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Originally Posted by dondo
(Post 3872780)
how'd you fix it?
i just swapped the 3rd brake light and have the same issue. i tapped the wires pre-harness for power/ground. |
Originally Posted by dondo
(Post 3872903)
so I put the 3rd brake like back to stock and it stopped.. not sure what the issue with the aftermarket one is..
https://www.rx8club.com/showthread.php?t=202843 #11 if I read your question right? |
yeah that's what another forum member said but they recommended 10-25 ohm. you say 150 ohm.
i'm going to give that a shot. thanks! |
Let me know..............I pulled that number from a couple of threads where people used the 150ohm and had success.
I just tried to condense all possibilities into one thread. |
Your thread is awesome ;)
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