OBD Guide

P1366

Top Dead Center Sensor 2 Intermittent Interruption

P1366 is an OBD-II diagnostic trouble code meaning: Top Dead Center Sensor 2 Intermittent Interruption. Common causes: damaged wiring or poor contact in the tdc sensor circuit 2, malfunction of the tdc sensor itself 2. Estimated repair cost: $17–56.

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

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Difficulty starting the engine
  • Check Engine Light Flashing

Causes

  • Damaged wiring or poor contact in the TDC sensor circuit 2
  • Malfunction of the TDC sensor itself 2
  • Problems with the sensor connector
  • Short circuit in the sensor circuit
  • ECU malfunction (rare)

How to Fix

  1. Check the integrity of the wiring and contacts in the TDC sensor circuit 2
  2. Check the resistance and performance of the TDC sensor 2
  3. Clean sensor connector contacts
  4. Replace TDC sensor 2 if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error P1366 by Vehicle Brand

FAQ

What does the P1366 code mean?

P1366 is an OBD-II diagnostic trouble code that indicates: Top Dead Center Sensor 2 Intermittent Interruption

What causes a P1366 error code?

The most common causes of P1366 include: Damaged wiring or poor contact in the TDC sensor circuit 2; Malfunction of the TDC sensor itself 2; Problems with the sensor connector; Short circuit in the sensor circuit.

How do I fix a P1366 diagnostic trouble code?

To fix P1366: Check the integrity of the wiring and contacts in the TDC sensor circuit 2. Check the resistance and performance of the TDC sensor 2. Clean sensor connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1366?

Yes, but get it checked soon

How much does it cost to fix P1366?

The estimated repair cost for P1366 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat