What are the symptoms of P0728?

Inconsistent or incorrect gear shifts, Intermittent transmission limp mode, Unstable RPM gauge, Intermittent check engine light

What causes code P0728?

Loose or damaged wiring to the sensor circuit, Faulty connector or corrosion, Defective crankshaft position sensor (intermittent), Fault in the Transmission Control Module (TCM) or Powertrain Control Module (PCM)

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Fault Code P0728

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

P0728

Engine Speed Input Circuit Intermittent

Severity: High

Code P0728 indicates an intermittent fault in the engine speed input circuit. The engine speed signal appears and disappears intermittently, causing instability in transmission function.

Part Details

Part Name

Crankshaft Position Sensor

Reference P/N (OEM)

N/A

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

Estimated Cost

₪300 - ₪1,000

Engine Location

Near the crankshaft

Symptoms

Inconsistent or incorrect gear shifts
Intermittent transmission limp mode
Unstable RPM gauge
Intermittent check engine light

Possible Causes

1Loose or damaged wiring to the sensor circuit
2Faulty connector or corrosion
3Defective crankshaft position sensor (intermittent)
4Fault in the Transmission Control Module (TCM) or Powertrain Control Module (PCM)