OBD Guide
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P1725

NT Revolution Sensor Circuit Malfunction

P1725 is an OBD-II diagnostic trouble code meaning: NT Revolution Sensor Circuit Malfunction. Common causes: open or short circuit in the sensor circuit, nt speed sensor malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • Delays when shifting gears
  • Check Engine Light Is On
  • Unstable engine idling
  • Problems starting the engine

Causes

  • Open or short circuit in the sensor circuit
  • NT speed sensor malfunction
  • Poor contact in connectors
  • Transmission control module (TCM) malfunction
  • Wiring harness damage

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Test the NT speed sensor with a multimeter
  3. Clean connector contacts from oxidation
  4. Replace sensor if necessary
  5. Check Transmission Control Module (TCM) operation

Related codes

P1720P1726P1727

Error P1725 by Vehicle Brand

FordLincolnMercury

FAQ

What does the P1725 code mean?

P1725 is an OBD-II diagnostic trouble code that indicates: NT Revolution Sensor Circuit Malfunction

What causes a P1725 error code?

The most common causes of P1725 include: Open or short circuit in the sensor circuit; NT speed sensor malfunction; Poor contact in connectors; Transmission control module (TCM) malfunction.

How do I fix a P1725 diagnostic trouble code?

To fix P1725: Check the integrity of the sensor wiring and connectors. Test the NT speed sensor with a multimeter. Clean connector contacts from oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1725?

Yes, but get it checked soon

How much does it cost to fix P1725?

The estimated repair cost for P1725 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat