C0658 code meaning
Right Front Wheel Speed Sensor B Circuit/Open
What C0658 means
C0658 reports an open in the wiring of right front sensor B, so the module sees no supply current on that channel. Sensor B is the redundant partner found mainly in brake systems built for automated driving; ABS normally keeps running on sensor A, where an open would show as C0506. Audi's patent for such a pair gives each sensor its own data line to the controller, so that one broken line cannot remove both signals, and suggests a passive inductive sensor as the second one because it works without any supply. For the anti-lock function itself, UN Regulation 13-H demands that every electrical fault, external wiring included, lights the yellow warning. Check plug, cable and sensor. No carmaker publishes C0658; GM's old PIP5094 list uses the number for something else.
C0658 at a glance
- Check engine lightUsually not
- Emissions testNot an emissions code
- Limp modePossible
- Repair difficultyMedium
- Typical labor0.5 to 2 hours
- Clears after repairWhen cleared with a scanner
Symptoms of C0658
- Warning for brake or driver assistance system
- Redundant braking or automated driving not available
Common causes of C0658
- Most likelyBroken or torn sensor cable, often near the steering knuckle
- PossibleConnector not latched, corroded or with spread terminals
- Less likelySensor B interrupted internally
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Rf wss bSensor wiring
What each part of C0658 means
| C | Chassis system: brakes, ABS, steering and suspension. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| 58 | The exact fault in that area. |
What to do next
- Note C0658 and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about C0658
What does C0658 mean?
C0658 means "Right Front Wheel Speed Sensor B Circuit/Open". C0658 reports an open in the wiring of right front sensor B, so the module sees no supply current on that channel. It is a generic code, so it means the same on every make.
Is it safe to drive with C0658?
Drive gently and only to a workshop. With C0658 the car can go into limp mode (reduced power) to protect itself.
Will C0658 fail an emissions test?
C0658 is not an emissions code, so on its own it usually does not fail an emissions test. Other stored codes or a lit check engine light still can.
How hard is C0658 to fix?
Difficulty: medium. A typical repair takes 0.5 to 2 hours of work. This is a job for a workshop.
Will C0658 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.