OBD Guide

P2766

Input/Turbine Shaft Speed Sensor B Circuit Range/Performance

P2766 is an OBD-II diagnostic trouble code meaning: Input/Turbine Shaft Speed Sensor B Circuit Range/Performance. Common causes: turbine speed sensor fault b, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Incorrect gear shifting
  • Check Engine Light Illuminates
  • Reduced transmission efficiency
  • Possible jerking when changing gears
  • Increased fuel consumption

Causes

  • Turbine speed sensor fault B
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Mechanical damage to the wiring harness
  • Torque converter problems

How to Fix

  1. Check the condition of the sensor connector and wiring
  2. Check resistance and sensor signal
  3. Inspect the wiring harness for damage
  4. If necessary, replace turbine speed sensor B
  5. Check the condition of the torque converter

Related codes

Error P2766 by Vehicle Brand

FAQ

What does the P2766 code mean?

P2766 is an OBD-II diagnostic trouble code that indicates: Input/Turbine Shaft Speed Sensor B Circuit Range/Performance

What causes a P2766 error code?

The most common causes of P2766 include: Turbine speed sensor fault B; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Mechanical damage to the wiring harness.

How do I fix a P2766 diagnostic trouble code?

To fix P2766: Check the condition of the sensor connector and wiring. Check resistance and sensor signal. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2766?

Yes, but get it checked soon

How much does it cost to fix P2766?

The estimated repair cost for P2766 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat