P1813 Infiniti 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 Infiniti 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.
Code P1813 Infiniti Description
What are the Possible Causes of the DTC P1813 Infiniti?
- 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 Infiniti?
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 Infiniti 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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Frequently Asked Questions about P1813 Infiniti Code
1. What does the OBDII code P1813 mean for Infiniti vehicles?
Code P1813 indicates an issue with the 4WD Shift Switch, which is responsible for controlling the transfer case's mode selection in 4-wheel drive systems.
2. What are the common symptoms of the P1813 code in an Infiniti?
Symptoms may include the 4WD system not engaging or disengaging properly, the 4WD warning light illuminating, or difficulty shifting modes between 2WD and 4WD.
3. What causes the P1813 code to appear on an Infiniti?
Common causes include a faulty 4WD shift switch, wiring or connector issues in the 4WD system, or problems within the transfer case control module.
4. Can I continue driving my Infiniti with a P1813 code?
Yes, but the 4WD functionality may be compromised. It’s recommended to diagnose and repair the issue promptly to avoid potential drivetrain damage.
5. How is the P1813 code diagnosed?
A technician will typically use a scan tool to confirm the code, inspect the 4WD shift switch and its wiring for damage or corrosion, and check for proper operation of the transfer case control module.
6. How can I fix the P1813 code on my Infiniti?
Repairs may involve replacing the 4WD shift switch, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the transfer case control module.
7. How much does it cost to fix a P1813 code on an Infiniti?
The cost can vary depending on the exact issue but typically ranges from $150 to $500, including parts and labor.
8. Can a dead battery cause the P1813 code to appear?
A weak or dead battery can cause electrical issues that may trigger this code, but it’s not a primary cause. The 4WD system should still be inspected for faults.
9. Is the P1813 code specific to Infiniti vehicles?
While P1813 is a generic OBDII code, its description and application as "4WD Shift Switch" are specific to certain Infiniti models equipped with a 4WD system.
10. Can I reset the P1813 code without repairs?
Clearing the code with an OBDII scanner may temporarily remove it, but if the underlying issue isn’t resolved, the code will likely reappear.
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