P212B — Throttle Position Sensor/Switch G Circuit Range/Performance

What Does P212B Mean?

P212B is a diagnostic trouble code indicating: Throttle Position Sensor/Switch G Circuit Range/Performance. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P212B

⚠️ Check Engine Light (MIL) illuminated
⚠️ Throttle Position Sensor/Switch G not operating within expected parameters
⚠️ Reduced efficiency or performance of related system
⚠️ Reduced engine performance

Common Causes

🔍 Throttle Position Sensor/Switch G degraded or contaminated
🔍 Mechanical wear or binding in Throttle Position Sensor/Switch G
🔍 Incorrect Throttle Position Sensor/Switch G installed (wrong part number)
🔍 Related system mechanical issue affecting Throttle Position Sensor/Switch G readings

Frequently Asked Questions

What does P212B mean?

P212B indicates: Throttle Position Sensor/Switch G Circuit Range/Performance. The vehicle's computer has detected that the Throttle Position Sensor/Switch G is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P212B?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P212B for extended periods may cause additional problems.

How much does it cost to fix P212B?

Repair costs for P212B typically range from $50 to $250, 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 clean Throttle Position Sensor/Switch G
🔧 Replace degraded Throttle Position Sensor/Switch G
🔧 Check for related mechanical issues affecting readings

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.

P212B: Throttle Position Sensor/Switch G Circuit Range/Performance