Engine-CodesHonda – P0845 Honda

P0845 Honda Code - Problem in 3rd Clutch Pressure Switch Circuit

Quick Answer

The P0845 code in a Honda indicates a problem in the 3rd Clutch Pressure Switch Circuit. Common causes include Faulty 3rd Clutch Pressure Switch, Damaged wiring or connectors 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
P0845 Honda indicates Problem in 3rd Clutch Pressure Switch Circuit.
Common causes
Common causes include Faulty 3rd Clutch Pressure Switch, Damaged wiring or connectors 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 09, 2024
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Code P0845 Honda Description

The P0845 code in a Honda indicates a problem in the 3rd Clutch Pressure Switch Circuit. The 3rd Clutch Pressure Switch is a component in the transmission system that monitors the hydraulic pressure in the 3rd clutch circuit. This pressure switch sends signals to the vehicle's engine control module (ECM) to help regulate the operation of the transmission. When this pressure switch malfunctions or fails, it can disrupt the proper functioning of the transmission system, leading to a variety of issues.

OBDII Code P0845 Honda - Problem in 3rd Clutch Pressure Switch Circuit
P0845 Honda Code - Problem in 3rd Clutch Pressure Switch Circuit

Common Causes of P0845 Honda

  1. Faulty 3rd Clutch Pressure Switch
  2. Damaged wiring or connectors in the circuit
  3. Low transmission fluid levels
  4. Malfunctioning ECM

Symptoms of P0845 Honda

  1. Harsh or delayed shifting
  2. Slipping gears
  3. Difficulty engaging gears
  4. Poor acceleration
  5. Reduced fuel efficiency

How to Fix P0845 Honda

  1. Begin by diagnosing the issue using a scan tool to retrieve the specific diagnostic trouble code (DTC) and pinpoint the problem.
  2. Inspect the wiring and connectors in the 3rd Clutch Pressure Switch circuit for any damage or corrosion. Repair or replace as needed.
  3. Check the transmission fluid level and condition. Top up or replace the fluid if necessary.
  4. Test the 3rd Clutch Pressure Switch for proper operation. Replace if found to be faulty.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0845 Honda

The cost of repairing a P0845 code in a Honda can vary depending on the exact cause of the issue and the extent of the repairs needed. On average, the parts for this repair could range from $50 to $150, while labor costs may range from $100 to $300. Overall, the total repair cost could fall between $150 and $450. 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 specific repair shop chosen. It's advisable to obtain quotes from different repair shops to ensure a competitive price. Additionally, the time spent diagnosing and repairing the issue may impact the final cost, as auto repair shops typically charge between $80 and $150 per hour for labor.

Tech Notes for P0845 Honda









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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 P0845 Honda Code

No Frequently Asked Questions about P0845 Honda Code found.

Discuss the causes and fixes for P0845 Honda OBDII Code

  • I have replaced both second gear and the 3rd gear switchs. Still throwing CEL and will not go into 4th or overdrive.. What is going on?

  • Let me check if I can find more information. What model and year is your Honda?