C003E — Rear Wheel Speed Sensor Supply

What Does C003E Mean?

C003E is a diagnostic trouble code indicating: Rear Wheel Speed Sensor Supply. This code relates to the chassis system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of C003E

⚠️ Check Engine Light (MIL) illuminated
⚠️ Rear Wheel Speed Sensor Supply not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ ABS or stability control warning light

Common Causes

🔍 Faulty Rear Wheel Speed Sensor Supply
🔍 Wiring or connector issue in Rear Wheel Speed Sensor Supply circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does C003E mean?

C003E indicates: Rear Wheel Speed Sensor Supply. The vehicle's computer has detected that the Rear Wheel Speed Sensor Supply is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code C003E?

Only short distances if absolutely necessary. C003E affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix C003E?

Repair costs for C003E 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 Rear Wheel Speed Sensor Supply and related wiring
🔧 Replace faulty Rear Wheel Speed Sensor Supply

1
Find your vehicle above
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2
Check for recalls
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

C003E: Rear Wheel Speed Sensor Supply