OBD Guide

P2768

Input/Turbine Shaft Speed Sensor B Circuit Intermittent

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Unstable operation of the gearbox
  • Delays when shifting gears
  • Switching to emergency mode of the gearbox
  • Check engine light comes on
  • Engine power drop

Causes

  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Turbine speed sensor fault B
  • Wiring harness damage
  • Problems with the transmission control module

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect the sensor connectors for oxidation or damage.
  3. Check resistance and sensor signal
  4. If necessary, replace the turbine speed sensor
  5. Check the operation of the gearbox after repair

Related codes

Error P2768 by Vehicle Brand