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Code P073E

Quick reference

P073E at a glance

Plain-language meaning
This means the car has trouble going backwards. It's like when you try to walk backwards but your legs won't move.
Urgency
High – This issue can prevent the vehicle from being driven safely.
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

This means the car has trouble going backwards. It's like when you try to walk backwards but your legs won't move.

Explanation

The transmission control module (TCM) is unable to engage the reverse gear.

Technical description

The P073E code indicates that the transmission control module (TCM) has detected an inability to engage the reverse gear. This could be due to mechanical issues within the transmission, problems with the shift solenoids, or electronic control issues.

Symptoms

• Vehicle will not move in reverse

• Check Engine Light is on

• Unusual noises when attempting to engage reverse

Common Causes

• Faulty shift solenoid

• Transmission fluid level or quality issues

• Mechanical failure in the transmission

Glossary

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

Shift Solenoid: An electromechanical device that controls the flow of transmission fluid.

Diagnosis steps

• Check transmission fluid level and quality

• Inspect shift solenoids for proper operation

• Conduct a visual inspection of the transmission for mechanical issues

Repair procedures

• Replace or repair faulty shift solenoid

• Change or top up transmission fluid

• Repair or replace damaged transmission components

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

• Regularly check and maintain transmission fluid levels

• Schedule 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 a thorough diagnosis

Warranty information

Check if your vehicle's powertrain warranty covers transmission repairs.

Historical data

This code is often associated with vehicles that have high mileage or have not had regular transmission maintenance.

Urgency level

High – This issue can prevent the vehicle from being driven safely.

Testing conditions

• Vehicle in park or neutral

• Engine running

Component location

The transmission is located between the engine and the drive shaft, usually beneath the vehicle.

FAQs

Q: Can I drive my car with the P073E code?
A: It's not recommended to drive with this code as it can lead to further damage.

Q: How can I prevent this issue?
A: Regular maintenance and checking transmission fluid levels can help prevent this issue.

Optional diagnostic gear

Tools that may help diagnose P073E

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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