All codes/C05F0

C05F0

Rear Drive Shaft Speed Sensor Circuit Low

High severity

Rear drive shaft speed sensor signal voltage below expected range. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.

Rear drive shaft speed sensor signal voltage below expected range. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.

Common causes

  • Signal wire shorted to ground

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $90-550

  • Connector pins corroded - high contact resistance

    Less common, but worth ruling out after the more likely causes.

    low

    Typical part cost: $90-550

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does C05F0 mean?

C05F0 means "Rear Drive Shaft Speed Sensor Circuit Low". It is a generic OBD-II code that points to a fault in the chassis.

What are the most common causes of C05F0?

signal wire shorted to ground; connector pins corroded - high contact resistance; harness chafing through insulation — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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