AutoCodes – Nissan – P1813 Nissan

P1813 Nissan Code - 4WD Shift Switch

Quick Answer

The 4WD shift switch allows the driver to select 2WD or 4WD and 4H or 4LO. Common causes include Faulty 4WD Shift Switch, 4WD Shift Switch harness is open or shorted, 4WD Shift Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1813 Nissan indicates 4WD Shift Switch.
Common causes: Common causes include Faulty 4WD Shift Switch, 4WD Shift Switch harness is open or shorted, 4WD Shift Switch circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 6,282

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 20, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1813 Nissan Description

The 4WD shift switch allows the driver to select 2WD or 4WD and 4H or 4LO. DTC P1813 will set if more than two switch inputs are simultaneously detected by the transfer control unit due to a short circuit in the 4WD shift switch.

OBDII Code P1813 Nissan - 4WD Shift Switch - AutoCodes.com — P1813 Nissan Code - 4WD Shift Switch

What does this mean?

What are the Possible Causes of the DTC P1813 Nissan?

Faulty 4WD Shift Switch
4WD Shift Switch harness is open or shorted
4WD Shift Switch circuit poor electrical connection

How to Fix the DTC P1813 Nissan?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1813 Nissan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.