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 P27E0

Quick reference

P27E0 at a glance

Plain-language meaning
This code means that a part of your car that controls the pressure of fluid in the transmission is getting too much electrical power. It's like when a light bulb is too bright because it's getting too much electricity.
Urgency
Moderate – Addressing this issue promptly can prevent further transmission damage.
Difficulty
Moderate
System
Transmission Control Issue
Tools mentioned
OBD-II scanner, Multimeter, Basic hand tools

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

Laymans terms

This code means that a part of your car that controls the pressure of fluid in the transmission is getting too much electrical power. It's like when a light bulb is too bright because it's getting too much electricity.

Explanation

The P27E0 code indicates that the transmission control module (TCM) has detected a high voltage condition in the circuit controlling the pressure control solenoid T.

Technical description

The pressure control solenoid T is responsible for regulating hydraulic pressure in the transmission. When the TCM detects that the voltage in the control circuit is higher than expected, it triggers the P27E0 code. This could be due to a short circuit, a faulty solenoid, or an issue with the TCM itself.

Symptoms

• Transmission slipping

• Harsh or erratic shifting

• Illuminated check engine light

Common Causes

• Short circuit in the wiring

• Faulty pressure control solenoid T

• Malfunctioning transmission control module (TCM)

Glossary

Transmission Control Module (TCM): A computer that controls the automatic transmission.

Solenoid: An electromechanical device used to control fluid flow in the transmission.

Diagnosis steps

• Use an OBD-II scanner to confirm the code.

• Inspect the wiring and connectors for damage or corrosion.

• Test the pressure control solenoid T for proper operation.

Repair procedures

• Repair or replace damaged wiring or connectors.

• Replace the faulty pressure control solenoid T.

• Reprogram or replace the transmission control module if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools

Estimated repair cost

$200 - $600

Difficulty level

Moderate

Commonly affected vehicles

• Ford F-150

• Chevrolet Silverado

• Toyota Camry

Preventive measures

• Regular transmission fluid changes

• Routine inspection of wiring and connectors

• Avoiding aggressive driving habits

Error code type

Transmission Control Issue

User experience recommendations

• If the check engine light is on, have the vehicle inspected as soon as possible.

• Avoid driving the vehicle if you experience transmission slipping or harsh shifting.

Warranty information

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

Historical data

This code has been associated with vehicles experiencing transmission issues due to electrical faults in the control circuit.

Urgency level

Moderate – Addressing this issue promptly can prevent further transmission damage.

Testing conditions

• Engine at operating temperature

• Vehicle in drive

Component location

The pressure control solenoid T is located inside the transmission, typically accessible by removing the transmission pan.

FAQs

Q: Can I drive with a P27E0 code?
A: It's not recommended to drive with this code as it can lead to transmission damage.

Q: How do I reset the check engine light after fixing the issue?
A: Use an OBD-II scanner to clear the code after repairs are completed.

Optional diagnostic gear

Tools that may help diagnose P27E0

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
🌙