Engine-CodesGeneric – P1846

P1846 Code - Automatic Transmission Fluid Pressure Switch 6

Quick Answer

The P1846 code refers to an issue with the Automatic Transmission Fluid Pressure Switch 6. Common causes include Faulty Automatic Transmission Fluid Pressure Switch 6, Wiring or electrical issues related to the switch, Low transmission fluid level. 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
P1846 indicates Automatic Transmission Fluid Pressure Switch 6.
Common causes
Common causes include Faulty Automatic Transmission Fluid Pressure Switch 6, Wiring or electrical issues related to the switch, Low transmission fluid level.
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 06, 2024
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Code P1846 Description

The P1846 code refers to an issue with the Automatic Transmission Fluid Pressure Switch 6. This switch is responsible for monitoring and controlling the pressure of the transmission fluid within the transmission system. When this switch malfunctions or fails, it can lead to improper pressure regulation, which can have a significant impact on the vehicle's performance.

OBDII Code P1846 - Automatic Transmission Fluid Pressure Switch 6
P1846 Code - Automatic Transmission Fluid Pressure Switch 6

Common Causes of P1846

  1. Faulty Automatic Transmission Fluid Pressure Switch 6
  2. Wiring or electrical issues related to the switch
  3. Low transmission fluid level
  4. Contaminated or degraded transmission fluid
  5. Mechanical problems within the transmission system

Symptoms of P1846

  1. Check engine light is illuminated
  2. Harsh shifting between gears
  3. Transmission slipping
  4. Decreased fuel efficiency
  5. Transmission overheating

How to Fix P1846

  1. Diagnose the issue by using a scan tool to retrieve the specific code and test the Automatic Transmission Fluid Pressure Switch 6.
  2. Inspect the wiring and connections related to the switch for any damage or corrosion.
  3. Check the transmission fluid level and condition, topping off or replacing if necessary.
  4. Replace the Automatic Transmission Fluid Pressure Switch 6 if it is found to be faulty.
  5. Clear the code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1846

The cost of repairing the Automatic Transmission Fluid Pressure Switch 6 can vary depending on the make and model of the vehicle, as well as the labor rates in your area. On average, you can expect to pay between $150 and $300 for parts and labor. It's advisable to contact local auto repair shops for a more accurate estimate based on your specific vehicle and location.

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Code P1846 Information for Specific Makes

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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