P0707 – Transmission Range Sensor Low Input

Description

The ECM detects a low voltage signal from the transmission range sensor.

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Symptoms

  • No start
  • Wrong gear display
  • Harsh shifting

Causes

  • Short to ground
  • Faulty sensor
  • Wiring issues

Diagnosis

  • Monitor sensor voltage
  • Inspect wiring
  • Check alignment

Repair

  • Repair wiring
  • Replace sensor

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