P0225Fuel & Air

Throttle/Pedal Position Sensor C Circuit

P0225 means the PCM detected a general fault in throttle or pedal position sensor C circuit. Some systems use three sensor signals, and a fault or disagreement triggers this code.

🚗 Limited. A fault in the third throttle sensor can cause reduced power or limp mode, so drive carefully.
MEDIUM
severity
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🎯 Top Causes, Ranked by Likelihood

#1Faulty throttle position sensor C$100-$350
35%
A failed third sensor triggers the circuit fault.
#2Damaged wiring or connector$100-$250
30%
Open or shorted wiring breaks the signal.
#3Poor connector or corrosion$20-$100
20%
A corroded connector interrupts the circuit.
#4Faulty throttle body or pedal assembly$250-$650
15%
An integrated sensor failure requires assembly replacement.

🩺 Common Symptoms

💰 Repair Cost: DIY vs Shop

DIY Cost
$20-$650
Shop Cost
$100-$800

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose P0225

1Inspect the sensor C connector and wiring
2Check the reference voltage and ground
3Compare all sensor signals with a scan tool
4Replace the sensor or assembly if faulty

❓ Frequently Asked Questions

Can I drive with P0225?
Only carefully. A throttle sensor fault can trigger limp mode. Repair it soon.
What is sensor C?
Some electronic throttle or pedal systems use three position signals for redundancy. Sensor C is the third signal the PCM monitors.
How much to fix P0225?
A sensor or wiring repair is $100-$350, while a full assembly can reach $650.

🔗 Related Codes

P0226P0227P0228P0220P0222
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