Engine-CodesGeneric – P212E

P212E Code - Throttle Position Sensor/Switch 'G' Circuit Intermittent

Quick Answer

The P212E diagnostic trouble code (DTC) indicates a problem with the Throttle Position Sensor/Switch 'G' Circuit being intermittent. Common causes include Wiring harness damage or corrosion, Faulty TPS sensor, Loose or damaged connectors. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P212E indicates Throttle Position Sensor/Switch 'G' Circuit Intermittent.
Common causes
Common causes include Wiring harness damage or corrosion, Faulty TPS sensor, Loose or damaged connectors.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P212E Description

The P212E diagnostic trouble code (DTC) indicates a problem with the Throttle Position Sensor/Switch 'G' Circuit being intermittent. The throttle position sensor (TPS) is a crucial component of the vehicle's electronic throttle control system. It monitors the position of the throttle pedal and sends signals to the engine control module (ECM) to adjust the throttle opening accordingly. The 'G' circuit refers to a specific circuit within the TPS that may be experiencing intermittent connectivity issues.

OBDII Code P212E - Throttle Position Sensor/Switch 'G' Circuit Intermittent
P212E Code - Throttle Position Sensor/Switch 'G' Circuit Intermittent

Common Causes of P212E

  1. Wiring harness damage or corrosion
  2. Faulty TPS sensor
  3. Loose or damaged connectors
  4. ECM malfunction
  5. Environmental factors such as moisture or heat affecting the circuit

Symptoms of P212E

  1. Erratic throttle response
  2. Engine hesitation or surging
  3. Stalling or rough idling
  4. Sudden acceleration without driver input
  5. Reduced fuel efficiency

How to Fix P212E

  1. Begin by conducting a visual inspection of the wiring harness and connectors for any signs of damage or corrosion. Repair or replace any damaged components.
  2. Test the TPS sensor using a multimeter to ensure it is functioning correctly. Replace the sensor if necessary.
  3. Check the connectors for proper fit and tightness. Clean or replace any loose or damaged connectors.
  4. Clear the DTC using a scan tool and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, consult a professional mechanic for further diagnosis and potential ECM replacement.

Cost to Fix P212E

The typical repair costs for addressing a P212E code can vary depending on the specific cause of the issue. In general, replacing a faulty TPS sensor can cost between $50 and $200, while repairing wiring harnesses or connectors may range from $100 to $300. Labor costs can add an additional $80 to $150 per hour, with the total repair bill potentially amounting to $200 to $500 or more. It is advisable to consult with a local auto repair shop for a more accurate estimate based on your vehicle make and model. Labor rates at dealerships or in metropolitan areas may be higher, while independent shops may offer more competitive pricing.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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