OBD Guide

P212D

Throttle Position Sensor/Switch G Circuit High

P212D is an OBD-II diagnostic trouble code meaning: Throttle Position Sensor/Switch G Circuit High. 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 idling
  • Dips during acceleration
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Reduced engine power

Causes

  • Throttle position sensor G malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Sensor power problems
  • Engine ECU malfunction

How to Fix

  1. Check the integrity of the wiring and connectors of the sensor
  2. Measure resistance and voltage at the sensor
  3. Clean the contacts of the sensor connector
  4. Replace throttle position sensor G if necessary
  5. Check and, if necessary, reflash the ECU

Related codes

Error P212D by Vehicle Brand

FAQ

What does the P212D code mean?

P212D is an OBD-II diagnostic trouble code that indicates: Throttle Position Sensor/Switch G Circuit High

What causes a P212D error code?

The most common causes of P212D include: Throttle position sensor G malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Sensor power problems.

How do I fix a P212D diagnostic trouble code?

To fix P212D: Check the integrity of the wiring and connectors of the sensor. Measure resistance and voltage at the sensor. Clean the contacts of the sensor connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P212D?

Limited driving only, diagnose soon

How much does it cost to fix P212D?

The estimated repair cost for P212D is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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