OBD Guide

P212B

Throttle Position Sensor/Switch G Circuit Range/Performance

P212B is an OBD-II diagnostic trouble code meaning: Throttle Position Sensor/Switch G Circuit Range/Performance. Common causes: throttle position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Rough engine idling
  • Dips during acceleration
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Reduced engine power

Causes

  • Throttle Position Sensor Malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Mechanical throttle problems
  • Problems with the engine ECU

How to Fix

  1. Check the condition of the throttle position sensor
  2. Check the integrity of wiring and connectors
  3. Clean throttle body
  4. Replace the throttle position sensor if necessary
  5. Check and, if necessary, replace the engine ECU

Related codes

Error P212B by Vehicle Brand

FAQ

What does the P212B code mean?

P212B is an OBD-II diagnostic trouble code that indicates: Throttle Position Sensor/Switch G Circuit Range/Performance

What causes a P212B error code?

The most common causes of P212B include: Throttle Position Sensor Malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Mechanical throttle problems.

How do I fix a P212B diagnostic trouble code?

To fix P212B: Check the condition of the throttle position sensor. Check the integrity of wiring and connectors. Clean throttle body. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P212B?

Limited driving only, diagnose soon

How much does it cost to fix P212B?

The estimated repair cost for P212B is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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