C05F3: Rear Drive Shaft Speed Sensor Circuit

Severity

High

System

Chassis

Last reviewed: Jan 1, 0001 Last updated: Jan 1, 0001

Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.

Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

What Does C05F3 Mean?

C05F3 is a diagnostic trouble code indicating: Rear Drive Shaft Speed Sensor Circuit. This code relates to the chassis system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of C05F3

⚠️ Check Engine Light (MIL) illuminated
⚠️ Erratic Rear Drive Shaft Speed Sensor readings
⚠️ Related system operating intermittently
⚠️ ABS or stability control warning light

Common Causes

🔍 Wiring issue in Rear Drive Shaft Speed Sensor circuit (damaged, chafed, or corroded)
🔍 Faulty Rear Drive Shaft Speed Sensor connector or terminal
🔍 Failed Rear Drive Shaft Speed Sensor
🔍 ECM/PCM connection issue

Frequently Asked Questions

What does C05F3 mean?

C05F3 indicates: Rear Drive Shaft Speed Sensor Circuit. The vehicle's computer has detected that the Rear Drive Shaft Speed Sensor is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code C05F3?

Only short distances if absolutely necessary. C05F3 affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix C05F3?

Repair costs for C05F3 typically range from $100 to $400, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect and repair Rear Drive Shaft Speed Sensor wiring and connectors
🔧 Replace faulty Rear Drive Shaft Speed Sensor

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

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