OBD Guide

P1224

Throttle Position Sensor 2 Circuit High Input

P1224 is an OBD-II diagnostic trouble code meaning: Throttle Position Sensor 2 Circuit High Input. Common causes: malfunction of throttle position sensor no. 2, 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

  • Check Engine light comes on
  • Loss of engine power
  • Unstable idling
  • Jerks during acceleration
  • The car goes into emergency mode

Causes

  • Malfunction of throttle position sensor No. 2
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with power or grounding of the sensor
  • Malfunction of the engine control unit (rare)

How to Fix

  1. Check the integrity of the wiring and connectors of the sensor
  2. Check the voltage and resistance of the TPS2 sensor
  3. Clean the contacts of the sensor connector
  4. Replace throttle position sensor No. 2 if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error P1224 by Vehicle Brand

FAQ

What does the P1224 code mean?

P1224 is an OBD-II diagnostic trouble code that indicates: Throttle Position Sensor 2 Circuit High Input

What causes a P1224 error code?

The most common causes of P1224 include: Malfunction of throttle position sensor No. 2; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with power or grounding of the sensor.

How do I fix a P1224 diagnostic trouble code?

To fix P1224: Check the integrity of the wiring and connectors of the sensor. Check the voltage and resistance of the TPS2 sensor. Clean the contacts of the sensor connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1224?

Limited driving only, diagnose soon

How much does it cost to fix P1224?

The estimated repair cost for P1224 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat