OBD Guide

P0829

5-6 Shift

P0829 is an OBD-II diagnostic trouble code meaning: 5-6 Shift. Common causes: shift solenoids malfunction, low or contaminated transmission fluid. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Delays when switching to 5th or 6th gear
  • Jerks when shifting gears
  • The gearbox goes into emergency mode
  • Increased fuel consumption

Causes

  • Shift solenoids malfunction
  • Low or contaminated transmission fluid
  • Mechanical damage inside the gearbox
  • Problems with the hydraulic system
  • Malfunction of the transmission control unit

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnostics of gear shift solenoids
  3. Check the gearbox hydraulic system
  4. Replacing or repairing damaged transmission components
  5. Transmission control unit software update

Related codes

Error P0829 by Vehicle Brand

FAQ

What does the P0829 code mean?

P0829 is an OBD-II diagnostic trouble code that indicates: 5-6 Shift

What causes a P0829 error code?

The most common causes of P0829 include: Shift solenoids malfunction; Low or contaminated transmission fluid; Mechanical damage inside the gearbox; Problems with the hydraulic system.

How do I fix a P0829 diagnostic trouble code?

To fix P0829: Check the level and condition of the transmission fluid. Diagnostics of gear shift solenoids. Check the gearbox hydraulic system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0829?

Yes, but get it checked soon

How much does it cost to fix P0829?

The estimated repair cost for P0829 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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