Tag
#traction control
4 posts in Car Diagnostics blog about "traction control" — OBD-II diagnostics, DTC codes, repair. ← All posts
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C0035 to C0050: wheel speed sensor codes by corner
The code names the corner, which means the diagnosis starts at one wheel instead of four. Everything after that is inspection rather than deduction.
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Traction control cutting in on dry roads: a sensor, not the weather
The lamp flickers and the engine cuts power on a dry straight road. The system is not malfunctioning — it is reacting to data that is wrong.
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ABS and traction lights on together: one sensor, three warnings
Several lamps arriving at once looks like several faults. It almost never is — they share one data source, and finding which wheel is lying takes ten minutes.
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C1201: the chassis code that points back at the engine
C1201 is stored by the ABS or stability module to say it has stood down because the engine has a fault. Chasing it directly wastes time — the real code is in another module.