Engine-CodesHonda – P0842 2019 Honda CR-V

P0842 2019 Honda CR-V Code - Transmission Fluid Pressure Sensor/Switch 'A' Circuit Low

Quick Answer

The P0842 diagnostic trouble code for a 2019 Honda CR-V indicates a problem with the Transmission Fluid Pressure Sensor/Switch 'A' Circuit being too low. Common causes include Faulty transmission fluid pressure sensor/switch, Wiring issues in the circuit, Low transmission fluid levels. 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
P0842 2019 Honda CR-V indicates Transmission Fluid Pressure Sensor/Switch 'A' Circuit Low.
Common causes
Common causes include Faulty transmission fluid pressure sensor/switch, Wiring issues in the circuit, Low transmission fluid levels.
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 16, 2024
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Code P0842 2019 Honda CR-V Description

The P0842 diagnostic trouble code for a 2019 Honda CR-V indicates a problem with the Transmission Fluid Pressure Sensor/Switch 'A' Circuit being too low. This sensor is responsible for monitoring the fluid pressure within the transmission system. When the pressure is too low, it can lead to various issues with the transmission's performance and overall functionality.

OBDII Code P0842 2019 Honda CR-V - Transmission Fluid Pressure Sensor/Switch 'A' Circuit Low
P0842 2019 Honda CR-V Code - Transmission Fluid Pressure Sensor/Switch 'A' Circuit Low

Common Causes of P0842 2019 Honda CR-V

  1. Faulty transmission fluid pressure sensor/switch
  2. Wiring issues in the circuit
  3. Low transmission fluid levels
  4. Malfunctioning transmission control module
  5. Electrical issues within the transmission system

Symptoms of P0842 2019 Honda CR-V

  1. Harsh shifting between gears
  2. Delayed engagement when shifting gears
  3. Slipping gears
  4. Transmission overheating
  5. Illumination of the Check Engine Light

How to Fix P0842 2019 Honda CR-V

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to read the code and pinpoint the problem.
  2. Inspect the transmission fluid pressure sensor/switch and its wiring for any signs of damage or corrosion. Replace if necessary.
  3. Check the transmission fluid levels and top up if low. Inspect for any leaks that may be causing the low fluid levels.
  4. Test the transmission control module for any malfunctions and replace if needed.
  5. Clear the trouble code from the vehicle's computer system and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0842 2019 Honda CR-V

The typical repair costs for addressing the P0842 code on a 2019 Honda CR-V can vary depending on the specific cause of the issue. On average, the parts for this repair can range from $100 to $300, while the labor costs can range from $150 to $300. It's important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the repair shop's labor rates. It's recommended to obtain quotes from local auto repair shops for a more accurate cost 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.

Frequently Asked Questions about P0842 2019 Honda CR-V Code

1. What does the OBDII code P0842 mean on a 2019 Honda CR-V?

P0842 indicates a problem with the Transmission Fluid Pressure Sensor/Switch 'A' Circuit, specifically that the voltage detected is lower than the expected range.

2. What are the common symptoms of a P0842 code on a 2019 Honda CR-V?

Symptoms may include transmission slipping, harsh or erratic shifting, the transmission going into limp mode, and the illumination of the check engine light.

3. What causes the P0842 code on a 2019 Honda CR-V?

Common causes include a faulty transmission fluid pressure sensor, damaged or corroded wiring/connectors, low transmission fluid levels, or internal transmission issues.

4. Can low transmission fluid cause the P0842 code?

Yes, low or dirty transmission fluid can lead to incorrect pressure readings, triggering the P0842 code.

5. How do I diagnose the P0842 code on my 2019 Honda CR-V?

Start by checking the transmission fluid level and condition, inspect the wiring and connectors for damage or corrosion, and test the transmission fluid pressure sensor for proper function.

6. Is it safe to drive a 2019 Honda CR-V with a P0842 code?

Driving with a P0842 code is not recommended, as it can cause further damage to the transmission and lead to unsafe driving conditions.

7. What repairs might fix the P0842 code on a 2019 Honda CR-V?

Repairs may include replacing the transmission fluid pressure sensor, repairing or replacing damaged wiring or connectors, or performing a transmission fluid flush and refill.

8. How much does it cost to fix the P0842 code on a 2019 Honda CR-V?

The cost can vary, but replacing a transmission fluid pressure sensor typically ranges from $150 to $300, including parts and labor. Additional repairs for wiring or fluid issues may increase the cost.

9. Can a faulty transmission control module cause a P0842 code?

While less common, a malfunctioning transmission control module (TCM) can contribute to the P0842 code if it fails to correctly process sensor data.

10. How can I prevent the P0842 code from occurring on my 2019 Honda CR-V?

Regularly check and maintain proper transmission fluid levels, inspect wiring and connectors for damage, and follow the manufacturer’s recommended service intervals for transmission maintenance.

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