P2834 moderate

Gear Shift Fork 1 Position Circuit High

The P2834 code means the vehicle's onboard diagnostic system has detected: Gear Shift Fork 1 Position Circuit High. This is a moderate severity code.

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Keep driving?
No — stop driving
DIY difficulty
hard
Estimated cost
$300 - $1,200 (parts and labor)
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Common Symptoms

  • Transmission warning light on
  • Delayed gear engagement
  • Check Engine Light on
  • Rough shifting

Probable Causes (Ranked by Likelihood)

  • Open circuit in shift fork 1 sensor wiring Very High
  • Failed shift fork 1 position sensor High
  • Disconnected sensor connector Moderate
  • TCM power supply issue Low

Frequently Asked Questions

What does high circuit mean?

A high circuit code means the signal voltage is above the expected maximum, usually due to an open wire or disconnected sensor.

Can I reset this code and drive?

Resetting the code without repair is not recommended as the transmission cannot properly control gear engagement.

How urgent is this repair?

This should be repaired promptly to prevent transmission damage from improper gear engagement.

Mechanics Guide Step-by-step diagnosis

Step-by-Step Diagnostic Procedure

  1. Scan for DTCs and note freeze frame conditions

  2. Check sensor connector for damage or disconnection

  3. Measure sensor signal voltage at TCM

  4. Inspect wiring for open circuits

Sources 1

This page is built from documented references. Verify against your own service info before repair work.

  • SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)

Commonly Affected Vehicles

  • 2012-2020 Ford Focus (PowerShift)
  • 2010-2018 Volkswagen Jetta DSG
  • 2013-2020 Hyundai Elantra DCT
  • 2015-2020 Kia Soul DCT

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