C0558 is a chassis (manufacturer-defined) code indicating that the ABS/EBCM module has detected a wheel speed sensor signal at the right rear wheel that does not match the expected characteristics for that position. The 'Incorrect Component Installed' description means the module has identified a mismatch in the signal pattern or part identification, not necessarily a hard electrical failure.
The most common cause is a sensor that does not match the vehicle's specifications, such as a sensor salvaged from a different position, axle, or model year, or an aftermarket part with a different resistance or signal output.
After brake, hub, or axle work, sensors from the front and rear or from left and right sides can be interchanged. The module expects a specific signal profile for each corner and will flag the mismatch.
Water intrusion, broken wire insulation, or a poor connector can alter the signal reaching the module enough to make it appear as the wrong component. Resistance changes from corrosion are a common root cause.
Rust, debris, missing teeth, or physical damage to the tone ring on the hub or axle will produce an irregular signal that the module can interpret as the wrong type of sensor input.
A sensor that is not fully seated, has a loose mount, or has a worn O-ring/spacer can sit too far from the tone ring, weakening and distorting the signal so it fails the module's validation check.
Although drivers are sometimes advised to replace the ABS control module for this code, an internal module failure is the least likely cause. The module should be suspected only after the sensor, wiring, connector, tone ring, and air gap have all been verified good.
Almost never. In the vast majority of cases, C0558 is caused by a wrong, swapped, damaged, or poorly connected sensor, or by a tone ring or wiring issue. The ABS module is replaced as a last resort, only after every other cause has been ruled out by direct inspection and testing.
Yes. The brakes function normally without ABS intervention. The trade-off is that the anti-lock, traction control, and stability control systems will be disabled until the fault is corrected, which can matter in slippery conditions or emergency stops.
Yes. Generic P or C codes for wheel speed sensors typically indicate an open circuit, short, or implausible signal. C0558 specifically points to a component mismatch, meaning the module believes the wrong sensor is installed, which is why verifying the correct part is the first diagnostic step.
In many cases the code must be cleared manually with a scan tool after the repair, even if the underlying problem is fixed. Some vehicles will self-clear after a number of drive cycles with no fault detected, but this is not guaranteed.