P1829 critical

Manufacturer-specific (Chrysler/generic: Transfer-Case Shift Relay Coil Open Circuit). NOTE: this is NOT the Nissan CVT step-motor code — that is P1777/P1778.

The P1829 code means the vehicle's onboard diagnostic system has detected: Manufacturer-specific (Chrysler/generic: Transfer-Case Shift Relay Coil Open Circuit). NOTE: this is NOT the Nissan CVT step-motor code — that is P1777/P1778.. This is a critical severity code.

My Garage →
Keep driving?
No — stop driving
DIY difficulty
hard
Estimated cost
Varies — depends on the specific component this manufacturer-specific code points to on your vehicle. Diagnose before buying parts.

Manufacturer-specific code. P1829 is a manufacturer-specific DTC, so its exact definition can differ by make, model, and year. Use the meaning above as a general guide, and always confirm it against your vehicle manufacturer's official service information (or a make-specific scan tool) before diagnosing or replacing parts.

What Are the Symptoms of P1829?

  • Check Engine or a related warning light on
  • Exact symptoms depend on the specific system this code covers for your make
  • A make-specific scan reveals which subsystem and circuit is involved

What Causes P1829? (Most Likely First)

  • A fault in the specific component or circuit this code monitors (the exact part varies by manufacturer) High
  • Damaged wiring, a corroded connector, or a poor ground in that circuit Moderate
  • A related sensor or control module reporting or causing the fault Moderate

Can I Still Drive with P1829?

No — stop driving. P1829 is rated critical severity. Continuing to drive in this state risks further damage — get it looked at before your next trip.

Frequently Asked Questions

Does P1829 mean the same thing on every vehicle?

No. P1829 is a manufacturer-specific diagnostic trouble code, so its exact meaning varies by make, model, and year. Always confirm it against your vehicle manufacturer's service information before diagnosing or replacing parts.

What does P1829 most likely indicate?

Manufacturer-specific (Chrysler/generic: Transfer-Case Shift Relay Coil Open Circuit). NOTE: this is NOT the Nissan CVT step-motor code — that is P1777/P1778.. Treat this as a general guide and verify the specifics for your vehicle.

Mechanics Guide Step-by-step diagnosis

How Do You Diagnose P1829?

  1. Confirm your exact make, model, and year first — P1829 is manufacturer-specific and can mean different things across brands.

  2. Read P1829 with an enhanced/make-specific scan tool and check your manufacturer's official service information for the precise definition and procedure.

  3. Inspect the wiring, connectors, and grounds for the indicated circuit before replacing any part.

Which Vehicles Commonly Get P1829?

  • 2013-2023 Nissan Altima
  • 2014-2024 Nissan Rogue
  • 2012-2022 Nissan Sentra
  • 2015-2025 Nissan Pathfinder

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