OBD Guide

P1892

Throttle Position Sensor PWM Signal High

P1892 is an OBD-II diagnostic trouble code meaning: Throttle Position Sensor PWM Signal High. 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

  • Unstable 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 the sensor connector
  • Problems with the ECU
  • Mechanical damage to the throttle valve

How to Fix

  1. Check the continuity of the throttle position sensor circuit
  2. Inspect the sensor connectors for oxidation or damage.
  3. Check the resistance of the throttle position sensor
  4. Replace the throttle position sensor if necessary
  5. Test the operation of the ECU

Related codes

Error P1892 by Vehicle Brand

FAQ

What does the P1892 code mean?

P1892 is an OBD-II diagnostic trouble code that indicates: Throttle Position Sensor PWM Signal High

What causes a P1892 error code?

The most common causes of P1892 include: Throttle Position Sensor Malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the ECU.

How do I fix a P1892 diagnostic trouble code?

To fix P1892: Check the continuity of the throttle position sensor circuit. Inspect the sensor connectors for oxidation or damage.. Check the resistance of the throttle position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1892?

Limited driving only, diagnose soon

How much does it cost to fix P1892?

The estimated repair cost for P1892 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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