C0245 — Wheel Speed Sensor Frequency Error

What it means: Wheel Speed Sensor Frequency Error.

How serious / can you keep driving: Caution. Limp to the next safe stop.

Check first: Verify tone ring tooth count matches ABS module configuration

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Mr. Fix It Truck & Trailer Repair☎ Call
0.0 mi away — based in Baltimore, MD · (443) 680-6789
Pasadena Diesel Repair☎ Call
0.0 mi away — based in Baltimore, MD · (410) 544-3888
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0.0 mi away — based in Baltimore, MD · (443) 591-3631

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CautionBrakes, ABS & StabilityLimp to the next safe stop

Seen on: Heavy Truck

What C0245 means

Wheel Speed Sensor Frequency Error. Common causes: WSS pulse frequency incorrect.

How serious is it?

Caution. Limp to the next safe stop.

Most likely causes

WSS pulse frequency incorrect
Wrong tone ring tooth count
sensor miscalibration

First moves (roadside)

Verify tone ring tooth count matches ABS module configuration

FAQ

What does C0245 mean?

Wheel Speed Sensor Frequency Error. Common causes: WSS pulse frequency incorrect.

How serious is C0245?

Caution — Limp to the next safe stop.

What's the most likely cause of C0245?

The most common cause is: WSS pulse frequency incorrect. Other possibilities include Wrong tone ring tooth count; sensor miscalibration.

Can I keep driving with C0245?

Limp to the next safe stop. When in doubt, get a qualified mobile diesel tech on the truck before continuing.

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Related codes

Codes that commonly appear alongside C0245, or share the same subsystem.

Same symptom: ABS or stability lamp

Other codes behind a lit ABS or stability lamp — the ones that turn an inspection into an out-of-service order.

Right rear wheel speed erratic (SPN 792 FMI 2) · Brakes, ABS & Stability
Right rear wheel speed abnormal (SPN 792 FMI 8) · Brakes, ABS & Stability
Left tag/pusher wheel speed erratic (SPN 793 FMI 2) · Brakes, ABS & Stability
Right tag/pusher wheel speed erratic (SPN 794 FMI 2) · Brakes, ABS & Stability
ATC (automatic traction control) diff brake — not responding (SPN 974 FMI 7) · Brakes, ABS & Stability
Left Front Wheel Speed Sensor Circuit Low (C0031) · Brakes, ABS & Stability

All Brakes, ABS & Stability codes

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