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Code P0782

Quick reference

P0782 at a glance

Plain-language meaning
This code means that the car's computer has detected a problem when the car tries to shift from 2nd gear to 3rd gear. It's like when you're trying to change gears on a bicycle and the chain doesn't move smoothly.
Urgency
High – Ignoring this issue can lead to further transmission damage.
Difficulty
Moderate
System
Transmission Issue
Tools mentioned
OBD-II scanner, Transmission fluid dipstick, Multimeter

This summary uses the existing diagnostic information shown in full below.

Laymans terms

This code means that the car's computer has detected a problem when the car tries to shift from 2nd gear to 3rd gear. It's like when you're trying to change gears on a bicycle and the chain doesn't move smoothly.

Explanation

The transmission control module (TCM) has detected an issue with the shift from 2nd to 3rd gear, which could be due to mechanical or electrical problems.

Technical description

P0782 indicates that there is a malfunction in the automatic transmission during the shift from 2nd gear to 3rd gear. This can be caused by issues such as a faulty shift solenoid, low transmission fluid, or internal transmission problems.

Symptoms

• Harsh shifting or slipping between 2nd and 3rd gear

• Transmission stuck in gear

• Check Engine Light illuminated

Common Causes

• Faulty shift solenoid

• Low or dirty transmission fluid

• Internal transmission failure

Glossary

Transmission: A system in a vehicle that transmits power from the engine to the wheels.

Solenoid: An electromechanical device that controls the flow of fluid or air.

Diagnosis steps

• Check transmission fluid level and condition

• Scan for additional transmission codes

• Test shift solenoid operation

Repair procedures

• Replace faulty shift solenoid

• Change transmission fluid and filter

• Rebuild or replace transmission if necessary

Tools required

• OBD-II scanner

• Transmission fluid dipstick

• Multimeter

Estimated repair cost

$300 - $2,500

Difficulty level

Moderate

Commonly affected vehicles

• Honda Accord

• Ford F-150

• Toyota Camry

Preventive measures

• Regularly check and change transmission fluid

• Avoid aggressive driving

• Perform regular transmission maintenance

Error code type

Transmission Issue

User experience recommendations

• Avoid driving the vehicle until repaired to prevent further damage

• Consult a professional mechanic for diagnosis

Warranty information

Transmission repairs may be covered under powertrain warranty if the vehicle is still under coverage.

Historical data

P0782 has been a common code for vehicles with automatic transmissions, often associated with solenoid or fluid issues.

Urgency level

High – Ignoring this issue can lead to further transmission damage.

Testing conditions

• Vehicle must be driven to reproduce the shifting issue

• Transmission at operating temperature

Component location

The shift solenoids are located inside the transmission, accessible by removing the transmission pan.

FAQs

Q: Can I drive with a P0782 code?
A: It's not recommended as it can cause further damage to the transmission.

Q: How do I reset the P0782 code?
A: Fix the underlying issue, then use an OBD-II scanner to clear the code.

Optional diagnostic gear

Tools that may help diagnose P0782

THINKCAR ThinkScan Bidirectional diagnostic tool illustration

High-End · Full-system diagnostics

THINKCAR ThinkScan Bidirectional

A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.

Network faults often require full-system access instead of a generic code reader alone.

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Klein Tools MM325 diagnostic tool illustration

Universal · Digital multimeter

Klein Tools MM325

A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.

Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.

View on Amazon
WORKPRO Wiring Repair Kit diagnostic tool illustration

Universal · Wire connectors and repair kit

WORKPRO Wiring Repair Kit

Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.

Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.

View on Amazon

These are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.

Source: ezOBD2 diagnostic database
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