AutoCodes – Honda – P0843 2019 Honda CR-V

P0843 2019 Honda CR-V Code - Transmission Fluid Pressure Sensor/Switch 'A' Circuit High

Quick Answer

The Continuously Variable Transmission (CVT) driven pulley pressure sensor uses a strain gauge. Common causes include Faulty CVT Driven Pulley Pressure Sensor, CVT Driven Pulley Pressure Sensor harness is open or shorted, CVT Driven Pulley Pressure Sensor 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: P0843 2019 Honda CR-V indicates Transmission Fluid Pressure Sensor/Switch 'A' Circuit High.
Common causes: Common causes include Faulty CVT Driven Pulley Pressure Sensor, CVT Driven Pulley Pressure Sensor harness is open or shorted, CVT Driven Pulley Pressure Sensor 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 216

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 Jan 30, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0843 2019 Honda CR-V Description

The Continuously Variable Transmission (CVT) driven pulley pressure sensor uses a strain gauge. The output voltage changes depending on the driven pulley pressure. The Powertrain Control Module (PCM) sends a 5 V reference voltage to the sensor through a pull-up resistor. When the driven pulley pressure is low, the sensor resistance decreases and the PCM detects a low signal voltage. Conversely, when the driven pulley pressure is high, the sensor resistance increases, and the PCM detects a high signal voltage. If the CVT driven pulley pressure sensor signal voltage is a specified voltage for a set time, the PCM detects a malfunction and stores a Diagnostic Trouble Code (DTC).

OBDII Code P0843 2019 Honda CR-V - Transmission Fluid Pressure Sensor/Switch 'A' Circuit High - AutoCodes.com — P0843 2019 Honda CR-V Code - Transmission Fluid Pressure Sensor/Switch 'A' Circuit High

What does this mean?

What are the Possible Causes of the DTC P0843 2019 Honda CR-V?

Faulty CVT Driven Pulley Pressure Sensor
CVT Driven Pulley Pressure Sensor harness is open or shorted
CVT Driven Pulley Pressure Sensor circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0843 2019 Honda CR-V?

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 P0843 2019 Honda CR-V 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.

Need more information about the P0843 2019 Honda CR-V code?

Need more information on how to fix the P0843 2019 Honda CR-V code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0843 2019 Honda CR-V code diagnosed by a professional: Find a repair shop in your area

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 P0843 2019 Honda CR-V Code

1. What are the common symptoms of OBDII code P0843 in a 2019 Honda CR-V?

Symptoms may include harsh shifting, transmission slippage, decreased fuel efficiency, and the illumination of the Check Engine Light.

2. What does the OBDII code P0843 indicate in a 2019 Honda CR-V?

Code P0843 indicates a high voltage condition in the Transmission Fluid Pressure Sensor/Switch 'A' circuit of the transmission.

3. What are the possible causes of OBDII code P0843 in a 2019 Honda CR-V?

Potential causes include a faulty transmission fluid pressure sensor/switch, damaged wiring or connectors in the circuit, low transmission fluid levels, or a malfunctioning transmission control module.

4. How can I diagnose OBDII code P0843 in my 2019 Honda CR-V?

Diagnosis typically involves using a scan tool to retrieve the trouble code, inspecting the transmission fluid level and condition, testing the transmission fluid pressure sensor/switch, and checking the related wiring and connectors for any issues.

5. Can I continue driving my 2019 Honda CR-V with OBDII code P0843?

It is not recommended to continue driving with code P0843 present, as it can lead to further transmission damage and potential safety hazards. It is advisable to address the issue promptly.

6. Is it necessary to repair OBDII code P0843 in a 2019 Honda CR-V immediately?

While the vehicle may still be operable with this code, it is important to address the underlying issue promptly to prevent any potential transmission problems and ensure optimal vehicle performance.

7. How much does it typically cost to repair OBDII code P0843 in a 2019 Honda CR-V?

The cost of repairing code P0843 can vary depending on the exact cause of the issue. It may range from a simple sensor replacement to more extensive repairs involving the transmission system.

8. Can I reset OBDII code P0843 in my 2019 Honda CR-V using a scan tool?

Resetting the code with a scan tool may temporarily turn off the Check Engine Light, but it will not fix the underlying problem causing code P0843. It is recommended to diagnose and repair the issue to prevent code recurrence.

9. Is OBDII code P0843 a common issue in 2019 Honda CR-V vehicles?

While not extremely common, code P0843 can occur in 2019 Honda CR-V models due to various factors such as sensor failure, wiring issues, or low transmission fluid levels.

10. Can a DIY enthusiast repair OBDII code P0843 in a 2019 Honda CR-V?

Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to address simpler causes of code P0843, such as replacing the transmission fluid pressure sensor/switch. However, more complex issues may require professional assistance.