What are the symptoms of P2748?

Inconsistent shifting, Limp Mode activated, Check Engine light on, Poor transmission performance

What causes code P2748?

Faulty input/turbine speed sensor B, Short to ground in the sensor circuit, Faulty or loose wiring, Problem with Powertrain Control Module (PCM) or Transmission Control Module (TCM)

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Fault Code P2748

Code meaning, symptoms, possible causes, part number, and estimated cost.

P2748

Input/Turbine Speed Sensor B Circuit Low

Severity: Medium

This code indicates a low voltage or a lower-than-expected reading in the input/turbine speed sensor B circuit. This may point to a wiring or sensor issue.

Part Details

Part Name

Input/Turbine Speed Sensor B

Reference P/N (OEM)

N/A

General part number for this fault code — not necessarily for your specific vehicle

Estimated Cost

₪250 - ₪900

Engine Location

Transmission

Symptoms

Inconsistent shifting
Limp Mode activated
Check Engine light on
Poor transmission performance

Possible Causes

1Faulty input/turbine speed sensor B
2Short to ground in the sensor circuit
3Faulty or loose wiring
4Problem with Powertrain Control Module (PCM) or Transmission Control Module (TCM)