OBD Guide

C05F1

Rear Drive Shaft Speed Sensor Circuit High

C05F1 is an OBD-II diagnostic trouble code meaning: Rear Drive Shaft Speed Sensor Circuit High. Common causes: rear propeller shaft speed sensor malfunction, open or short circuit in wiring. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Incorrect ABS operation
  • Problems with the stabilization system
  • Unusual noises from the rear of the car

Causes

  • Rear propeller shaft speed sensor malfunction
  • Open or short circuit in wiring
  • Poor contact or corrosion in connectors
  • Circuit Grounding Problems
  • ECU malfunction

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Measure the sensor resistance (compare with manufacturer’s standards)
  3. Check circuit grounding
  4. Replace rear propeller shaft speed sensor if necessary
  5. Scan the system for other errors

Related codes

Error C05F1 by Vehicle Brand

FAQ

What does the C05F1 code mean?

C05F1 is an OBD-II diagnostic trouble code that indicates: Rear Drive Shaft Speed Sensor Circuit High

What causes a C05F1 error code?

The most common causes of C05F1 include: Rear propeller shaft speed sensor malfunction; Open or short circuit in wiring; Poor contact or corrosion in connectors; Circuit Grounding Problems.

How do I fix a C05F1 diagnostic trouble code?

To fix C05F1: Check the integrity of the sensor wiring and connectors. Measure the sensor resistance (compare with manufacturer’s standards). Check circuit grounding. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C05F1?

Limited driving only, diagnose soon

How much does it cost to fix C05F1?

The estimated repair cost for C05F1 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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