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Code P1825

Quick reference

P1825 at a glance

Plain-language meaning
This code means there's a problem with the car's system that keeps the gear shifter from moving unless the brake pedal is pressed. It's like when a toy won't work unless you press a button first.
Urgency
Moderate – It affects drivability but can be temporarily bypassed with the manual shift lock release.
Difficulty
Moderate
System
Transmission Control System
Tools mentioned
Multimeter, Screwdriver set, OBD-II scanner

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

Laymans terms

This code means there's a problem with the car's system that keeps the gear shifter from moving unless the brake pedal is pressed. It's like when a toy won't work unless you press a button first.

Explanation

The shift lock system is designed to prevent the vehicle from being shifted out of park unless the brake pedal is pressed. A malfunction indicates an issue with this safety feature.

Technical description

P1825 is a diagnostic trouble code (DTC) indicating a malfunction in the shift lock control system. This system uses sensors and actuators to ensure the gear selector cannot be moved out of park without the brake pedal being engaged. The code is triggered when the control module detects a fault in this system, which could be due to electrical issues, mechanical failures, or sensor malfunctions.

Symptoms

• Unable to shift out of park

• Shift lever feels stuck

• Warning light on the dashboard

Common Causes

• Faulty shift lock solenoid

• Damaged or faulty brake pedal switch

• Wiring issues or poor electrical connections

Glossary

Solenoid: An electromechanical device that converts electrical energy into mechanical movement.

Shift Lock: A safety feature that prevents the gear selector from being moved out of park unless the brake pedal is pressed.

Diagnosis steps

• Check for any blown fuses related to the shift lock system.

• Inspect the brake pedal switch for proper operation.

• Examine the shift lock solenoid and its wiring for damage or disconnection.

Repair procedures

• Replace the faulty shift lock solenoid.

• Repair or replace the brake pedal switch.

• Fix any damaged wiring or electrical connections.

Tools required

• Multimeter

• Screwdriver set

• OBD-II scanner

Estimated repair cost

$100 - $300

Difficulty level

Moderate

Commonly affected vehicles

• Toyota Camry

• Honda Accord

• Ford Focus

Preventive measures

• Regularly check and maintain the brake pedal switch.

• Inspect wiring connections for corrosion or damage.

• Ensure the shift lock solenoid is functioning properly.

Error code type

Transmission Control System

User experience recommendations

• Do not force the shifter, as it may cause further damage.

• Have the vehicle inspected by a professional if the problem persists.

Warranty information

Check with your vehicle manufacturer, as some components may be covered under warranty.

Historical data

This code has been associated with vehicles that have electronic shift lock systems, a feature introduced in the late 1990s to enhance safety.

Urgency level

Moderate – It affects drivability but can be temporarily bypassed with the manual shift lock release.

Testing conditions

• Vehicle parked on a level surface

• Ignition in the 'On' position

Component location

The shift lock solenoid is typically located near the gear shifter assembly, while the brake pedal switch is located near the brake pedal.

FAQs

Q: Can I drive with a P1825 code?
A: It's not recommended to drive with this code active, as it indicates a malfunction in a critical safety system.

Q: How do I manually release the shift lock?
A: Consult your vehicle's manual for instructions on using the manual shift lock release, often a small button or lever near the shifter.

Optional diagnostic gear

Tools that may help diagnose P1825

FOXWELL Multi-System Scanner diagnostic tool illustration

Pro · Four-system diagnostics

FOXWELL Multi-System Scanner

A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.

Chassis and ABS faults usually need a scanner that can read brake-system data directly.

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EPAuto 1/2" Torque Wrench diagnostic tool illustration

Universal · Torque wrench

EPAuto 1/2" Torque Wrench

Useful when reassembly torque matters for wheel, suspension, and under-hood fasteners.

Useful when wheel, hub, or suspension hardware needs correct reassembly torque.

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MaxxHaul Vehicle Ramps diagnostic tool illustration

Universal · Drive-on ramps

MaxxHaul Vehicle Ramps

Helpful for safer access underneath the vehicle during exhaust, EVAP, and underbody inspection work.

Helpful for safer access during underbody inspection work.

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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