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 P0C2E

Quick reference

P0C2E at a glance

Plain-language meaning
This code means that the car's computer is getting a signal from the electric pump that helps move the transmission fluid, and the signal is too high. It's like the pump is shouting too loudly to the computer.
Urgency
Moderate – It's important to address this issue soon to prevent further transmission damage.
Difficulty
Moderate
System
Sensor 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 the car's computer is getting a signal from the electric pump that helps move the transmission fluid, and the signal is too high. It's like the pump is shouting too loudly to the computer.

Explanation

The P0C2E code indicates that the feedback signal from the electric or auxiliary transmission fluid pump control module is higher than expected.

Technical description

The electric/auxiliary transmission fluid pump is responsible for maintaining fluid pressure in the transmission system, especially in hybrid or electric vehicles. The control module monitors the pump's operation, and if the feedback signal is higher than the pre-set threshold, it triggers the P0C2E code. This could be due to electrical issues, such as a short circuit or a faulty sensor.

Symptoms

• Check Engine Light is on

• Transmission may not shift properly

• Unusual noises from the transmission

• Reduced fuel efficiency

Common Causes

• Faulty electric/auxiliary transmission fluid pump

• Short circuit in the pump's wiring

• Faulty control module

• Sensor malfunction

Glossary

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

OBD-II: On-Board Diagnostics, a system that monitors vehicle performance and reports issues.

Diagnosis steps

• Use an OBD-II scanner to confirm the P0C2E code

• Inspect the wiring and connectors for damage or corrosion

• Test the electric transmission fluid pump for proper operation

• Check the control module for faults

Repair procedures

• Repair or replace damaged wiring or connectors

• Replace the electric/auxiliary transmission fluid pump if faulty

• Replace the control module if necessary

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools

Estimated repair cost

$200 - $800

Difficulty level

Moderate

Commonly affected vehicles

• Toyota Prius

• Chevrolet Volt

• Ford Fusion Hybrid

Preventive measures

• Regular maintenance checks

• Ensure proper fluid levels

• Avoid overloading the vehicle

Error code type

Sensor Issue

User experience recommendations

• Do not ignore the Check Engine Light

• Consult a professional mechanic if unsure

• Avoid driving long distances until the issue is fixed

Warranty information

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

Historical data

This code is more common in hybrid and electric vehicles due to their reliance on electric pumps for transmission fluid circulation.

Urgency level

Moderate – It's important to address this issue soon to prevent further transmission damage.

Testing conditions

• Vehicle must be at operating temperature

• Transmission fluid levels should be checked

Component location

The electric/auxiliary transmission fluid pump is typically located near the transmission or within the transmission housing.

FAQs

Q: Can I drive with the P0C2E code?
A: It's not recommended to drive for long periods with this code, as it may lead to transmission damage.

Q: How can I prevent this code from appearing?
A: Regular maintenance and ensuring the transmission fluid is at the correct level can help prevent this issue.

Optional diagnostic gear

Tools that may help diagnose P0C2E

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
🌙