P06F3 — Reductant Control Module Internal Temperature Sensor Circuit High

What Does P06F3 Mean?

P06F3 is a diagnostic trouble code indicating: Reductant Control Module Internal Temperature Sensor Circuit High. This code relates to the computer and output circuits system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P06F3

⚠️ Check Engine Light (MIL) illuminated
⚠️ Reductant Control Module Internal Temperature Sensor reading stuck at maximum value
⚠️ Related system operating erratically or in default mode
⚠️ Multiple system malfunctions

Common Causes

🔍 Short to voltage in Reductant Control Module Internal Temperature Sensor wiring harness
🔍 Corroded or water-damaged Reductant Control Module Internal Temperature Sensor connector
🔍 Faulty Reductant Control Module Internal Temperature Sensor outputting maximum voltage
🔍 Damaged wiring rubbing against metal components
🔍 ECM/PCM internal fault (rare)

Frequently Asked Questions

What does P06F3 mean?

P06F3 indicates: Reductant Control Module Internal Temperature Sensor Circuit High. The vehicle's computer has detected that the Reductant Control Module Internal Temperature Sensor is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P06F3?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P06F3 for extended periods may cause additional problems.

How much does it cost to fix P06F3?

Repair costs for P06F3 typically range from $20 to $300, 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 Reductant Control Module Internal Temperature Sensor wiring for short to voltage
🔧 Clean or replace corroded Reductant Control Module Internal Temperature Sensor connector
🔧 Replace faulty Reductant Control Module Internal Temperature 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.

P06F3: Reductant Control Module Internal Temperature Sensor Circuit High