Engine-CodesInfiniti – P0825 Infiniti

P0825 Infiniti Code - Lever Switch Circuit

Quick Answer

The P0825 code in Infiniti vehicles indicates a problem with the lever switch circuit. Common causes include Faulty transmission range switch: The most common cause of the P0825 code is a malfunctioning transmission range switch, which may need to be replaced, Wiring issues: Loose or damaged wiring connections to the transmission range switch can trigger this code, Corroded connectors: Corrosion on the connectors of the transmission range switch can disrupt the circuit and cause the code to appear. 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
P0825 Infiniti indicates Lever Switch Circuit.
Common causes
Common causes include Faulty transmission range switch: The most common cause of the P0825 code is a malfunctioning transmission range switch, which may need to be replaced, Wiring issues: Loose or damaged wiring connections to the transmission range switch can trigger this code, Corroded connectors: Corrosion on the connectors of the transmission range switch can disrupt the circuit and cause the code to appear.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0825 Infiniti Description

The P0825 code in Infiniti vehicles indicates a problem with the lever switch circuit. This code typically points to an issue with the transmission range switch, also known as the gear position sensor. The transmission range switch is responsible for telling the vehicle's computer which gear the transmission is in, allowing the engine to adjust its performance accordingly. When this switch malfunctions, it can lead to incorrect gear selection, resulting in poor vehicle performance, rough shifting, and even transmission failure.

OBDII Code P0825 Infiniti - Lever Switch Circuit
P0825 Infiniti Code - Lever Switch Circuit

Common Causes of P0825 Infiniti

  1. Faulty transmission range switch: The most common cause of the P0825 code is a malfunctioning transmission range switch, which may need to be replaced.
  2. Wiring issues: Loose or damaged wiring connections to the transmission range switch can trigger this code.
  3. Corroded connectors: Corrosion on the connectors of the transmission range switch can disrupt the circuit and cause the code to appear.
  4. Software issues: Sometimes, the vehicle's computer system may need to be reprogrammed to address the P0825 code.

Symptoms of P0825 Infiniti

  1. Difficulty shifting gears: You may experience difficulty shifting gears, such as the transmission getting stuck in one gear or not shifting at all.
  2. Incorrect gear display: The gear indicator on the dashboard may show the wrong gear, even when you are in a different gear.
  3. Engine stalling: The engine may stall when shifting gears, especially when coming to a stop.
  4. Check Engine Light: The Check Engine Light may illuminate on the dashboard, indicating a problem with the transmission range switch.

How to Fix P0825 Infiniti

  1. Diagnose the issue: Use a professional OBD-II scanner to read the code and determine the exact cause of the problem.
  2. Inspect wiring and connectors: Check the wiring harness and connectors leading to the transmission range switch for any signs of damage or corrosion.
  3. Replace the transmission range switch: If the switch is faulty, it will need to be replaced with a new one to resolve the issue.
  4. Clear the code: After completing the repair, clear the code from the vehicle's computer system to reset the Check Engine Light.
  5. Test drive: Take the vehicle for a test drive to ensure that the issue has been fully resolved and that the transmission is functioning correctly.

Cost to Fix P0825 Infiniti

The cost of repairing a P0825 code in an Infiniti vehicle can vary depending on the specific model and the extent of the damage. On average, you can expect to pay between $200 and $500 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can fluctuate, so it's advisable to check with local mechanics for a more accurate estimate.

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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.

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