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C0245 — Wheel Speed Sensor Frequency Error
CautionABSLimp to the next safe stop
Seen on: Heavy Truck
Wheel Speed Sensor Frequency Error. Common causes: WSS pulse frequency incorrect.
Don't risk it — get a diesel tech on the truck.
Your code rides along, so nearby mechanics see the fault before they quote you.
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.
Throwing this code right now?
Find a mechanic or related guides
General diagnostic guidance for diesel engines (Cummins, Detroit, PACCAR, Volvo, Mack and more). Not a substitute for a scan-tool diagnosis on your specific truck.