ezOBD2 - Free OBD2 Code Lookup and Check Engine Light Diagnostic Tool

Find Your OBD2 Code Fast

Type the code from your scanner to get causes, symptoms, and fixes.

Code P073D

Quick reference

P073D at a glance

Plain-language meaning
The car's computer is having trouble putting the transmission into neutral, which is like when you have a toy car that won't stop rolling even when you want it to.
Urgency
High – This issue can lead to further transmission damage if not addressed promptly.
Difficulty
Moderate
System
Transmission Issue
Tools mentioned
OBD-II scanner, Transmission fluid dipstick, Basic hand tools

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

Laymans terms

The car's computer is having trouble putting the transmission into neutral, which is like when you have a toy car that won't stop rolling even when you want it to.

Explanation

The transmission control system is unable to shift the transmission into the neutral position.

Technical description

The P073D code is triggered when the transmission control module (TCM) detects that the transmission cannot be shifted into neutral. This could be due to a mechanical issue within the transmission, a problem with the shift solenoids, or an electrical issue affecting the TCM.

Symptoms

• Vehicle cannot be shifted into neutral

• Transmission warning light on

• Abnormal transmission behavior

Common Causes

• Faulty shift solenoid

• Transmission fluid level is low or dirty

• Mechanical failure in the transmission

Glossary

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

Shift Solenoid: An electro-hydraulic valve that controls the flow of transmission fluid.

Diagnosis steps

• Check transmission fluid level and condition.

• Inspect shift solenoids for proper operation.

• Use a scan tool to check for additional transmission codes.

Repair procedures

• Replace faulty shift solenoid.

• Change or top up transmission fluid.

• Repair or replace transmission components as needed.

Tools required

• OBD-II scanner

• Transmission fluid dipstick

• Basic hand tools

Estimated repair cost

$300 - $1500

Difficulty level

Moderate

Commonly affected vehicles

• Ford F-150

• Chevrolet Silverado

• Toyota Camry

Preventive measures

• Regular transmission fluid changes

• Routine transmission inspections

• Avoid aggressive driving habits

Error code type

Transmission Issue

User experience recommendations

• Avoid driving the vehicle until repaired.

• Consult a professional mechanic for diagnosis.

Warranty information

Check if the vehicle's powertrain warranty covers transmission issues.

Historical data

The P073D code has been associated with vehicles that have higher mileage or have been used in heavy-duty conditions.

Urgency level

High – This issue can lead to further transmission damage if not addressed promptly.

Testing conditions

• Vehicle at operating temperature

• Vehicle stationary with engine running

Component location

The transmission is located between the engine and the drive wheels, usually under the vehicle.

FAQs

Q: Can I drive my car with a P073D code?
A: It's not recommended as it may cause further damage to the transmission.

Q: How can I prevent getting a P073D code?
A: Regular maintenance of your transmission, including fluid changes, can help prevent this code.

Optional diagnostic gear

Tools that may help diagnose P073D

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.

View on Amazon
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
🌙