C0658

Code

Generic C — Chassis

Right Front Wheel Speed Sensor B Circuit/Open

Brand: Generic

Type: C — Chassis

Views: UK: 22 EN: 25 RU: 25

AI status

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Page language: EN

Causes

Open or shorted wiring between sensor and ABS module
Corroded, loose, or damaged sensor connector
Failed wheel speed sensor (passive or active)
Damaged or missing tone/ring reluctor teeth or excessive air gap
Intermittent wiring damage from suspension movement, road debris, or repairs
Faulty ABS/traction control module or poor ground at module (less common)

Symptoms

ABS warning lamp illuminated
Traction control/stability lamp illuminated or system disabled
Reduced/no ABS or traction control functionality
Inconsistent or no wheel speed reading for right-front on diagnostic scanner
Possible pulsation under braking if ABS intermittently engages

What to check

Connect a scan tool: confirm C0658 stored and view live wheel speed PID for right-front
Inspect right-front sensor and wiring harness for damage, corrosion, pin push-out, and secure routing
Visually check tone/reluctor ring on hub/drive flange for missing teeth, heavy rust, or debris
Backprobe connector and measure sensor resistance (if passive) or supply/reference (if active) per vehicle spec
Check for continuity and shorts to ground/power between sensor connector and ABS module connector
Wiggle harness and operate suspension while watching live data to find intermittent faults

Signal parameters

Passive (inductive) sensors: typical DC resistance ~200–2,000 ohms (vehicle-specific)
Passive sensors produce AC voltage that increases with wheel speed (typical 0.1–2.0 VAC at low speeds up to several VAC at higher speeds)
Active (Hall/magnetic) sensors: 0–5 V square wave or switched 12 V/ground reference depending on design
Pulse frequency proportional to wheel speed; no pulses (open) or constant voltage (short to power/ground) indicates fault
Connector reference/supply voltage (active sensor): typically 5 V or 12 V reference—compare to manufacturer spec

Diagnostic algorithm

Read and record freeze frame and live data with a scanner; confirm only right-front wheel speed is missing/erratic.
Visually inspect right-front sensor, connector, tone ring, and wiring routing for physical damage, contamination, or loose connectors.
With ignition off, disconnect the sensor connector; inspect pins for corrosion, bending, or pushed-out terminals. Repair connector if damaged.
Measure sensor resistance at the sensor pins (multimeter). Compare to vehicle spec; infinite/very high = open.
Check for short to battery/ground: measure resistance from sensor signal/power pins to battery positive and chassis ground.
Reconnect and backprobe harness at connector; with ignition on (engine off), measure reference/supply voltage to active sensors and signal while slowly rotating wheel by hand. For passive sensors, use AC voltage measurement or oscilloscope while rotating wheel.
Wiggle test wiring and suspension components while watching live data for intermittent changes.
Inspect tone ring/reluctor for damage or missing teeth; clean or replace if contaminated or damaged.
If wiring and tone ring are good but sensor shows no/incorrect signal, replace the right-front wheel speed sensor.
After repair, clear codes and perform a road test to confirm correct wheel speed reading and that ABS/traction functions are restored.

Likely causes

Connector pushed out or bent pins at right-front sensor
Sensor lead chafed where it passes over control arm or through hub
Corroded connector causing high resistance or open circuit
Sensor failed internally (water ingress, magnetized element or electronics failed)
Reluctor ring cracked, missing teeth, or contaminated with rust/debris

Fault status

⚠️ Status

Controller detected an open or interrupted circuit on the right-front wheel speed sensor (sensor B). The fault is set when the expected wheel speed signal is absent or out-of-range; this will typically illuminate ABS/traction warning lights and may inhibit related safety functions until repaired.

🟡 Repair difficulty: Medium

⏱️ Diagnostic time: 0.5-2.0 hours

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