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Code P2DAE

Quick reference

P2DAE at a glance

Plain-language meaning
This code means that the car's computer is getting a signal that says the sensor checking the temperature of one of the car's electric motors is too low. It's like a thermometer saying it's colder than it really is.
Urgency
Moderate – It is important to address this issue to prevent potential damage to the drive motor.
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 that says the sensor checking the temperature of one of the car's electric motors is too low. It's like a thermometer saying it's colder than it really is.

Explanation

The P2DAE code is triggered when the Powertrain Control Module (PCM) detects a low voltage signal from the Drive Motor A Temperature Sensor B. This sensor monitors the temperature of the drive motor to ensure it operates within safe limits.

Technical description

The Drive Motor A Temperature Sensor B is responsible for providing the PCM with accurate temperature readings of the drive motor. A low circuit signal indicates that the sensor might be malfunctioning, or there could be an issue with the wiring or connections, leading to inaccurate temperature readings.

Symptoms

• Check Engine Light is on

• Reduced vehicle performance

• Possible overheating of the drive motor

Common Causes

• Faulty Drive Motor A Temperature Sensor B

• Wiring issues or poor electrical connections

• Faulty PCM

Glossary

PCM: Powertrain Control Module

OBD-II: On-Board Diagnostics, second generation

Diagnosis steps

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

• Inspect the wiring and connections to the temperature sensor.

• Test the sensor for proper operation using a multimeter.

Repair procedures

• Repair or replace damaged wiring or connectors.

• Replace the Drive Motor A Temperature Sensor B if faulty.

• Reprogram or replace the PCM if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools

Estimated repair cost

$100 - $500

Difficulty level

Moderate

Commonly affected vehicles

• Chevrolet Volt

• Toyota Prius

• Nissan Leaf

Preventive measures

• Regularly inspect and maintain vehicle wiring.

• Ensure sensors are clean and properly connected.

• Perform routine vehicle diagnostics.

Error code type

Sensor Issue

User experience recommendations

• Do not ignore the Check Engine Light.

• Have the vehicle inspected by a professional if unsure.

• Monitor vehicle performance for any changes.

Warranty information

Check with the vehicle manufacturer for specific warranty coverage on sensors and electrical components.

Historical data

This code has been associated with hybrid and electric vehicles where motor temperature monitoring is crucial for performance and safety.

Urgency level

Moderate – It is important to address this issue to prevent potential damage to the drive motor.

Testing conditions

• Vehicle at operating temperature

• Drive motor engaged

Component location

The Drive Motor A Temperature Sensor B is typically located near the drive motor, often mounted on or near the motor housing.

FAQs

Q: Can I drive with a P2DAE code?
A: It's not recommended to drive for extended periods with this code, as it could lead to motor damage.

Q: How can I reset the Check Engine Light?
A: After repairs, the Check Engine Light can be reset using an OBD-II scanner.

Optional diagnostic gear

Tools that may help diagnose P2DAE

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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