OBD Guide

P212A

Throttle Position Sensor/Switch G Circuit

P212A is an OBD-II diagnostic trouble code meaning: Throttle Position Sensor/Switch G Circuit. Common causes: throttle position sensor g 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

  • Unstable engine operation at idle
  • Acceleration problems
  • Check Engine light comes on
  • Reduced engine power
  • Jerking when pressing the gas pedal

Causes

  • Throttle position sensor G malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Problems with the electronic control unit

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for corrosion
  3. Check the resistance of the throttle position sensor
  4. Replace the faulty sensor if necessary
  5. Reset error code after repair

Related codes

Error P212A by Vehicle Brand

FAQ

What does the P212A code mean?

P212A is an OBD-II diagnostic trouble code that indicates: Throttle Position Sensor/Switch G Circuit

What causes a P212A error code?

The most common causes of P212A include: Throttle position sensor G malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P212A diagnostic trouble code?

To fix P212A: Check the integrity of the sensor circuit. Inspect connectors and contacts for corrosion. Check the resistance of the throttle position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P212A?

Limited driving only, diagnose soon

How much does it cost to fix P212A?

The estimated repair cost for P212A is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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