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Code P2D37

Quick reference

P2D37 at a glance

Plain-language meaning
This code means there's a problem with the part of the car that charges the battery without plugging it in, like magic. It's not working right.
Urgency
Moderate – It is important to address this issue to ensure the vehicle charges properly and maintains its driving range.
Difficulty
Moderate
System
Charging System Issue
Tools mentioned
Multimeter, OBD-II scanner, Screwdriver set

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

Laymans terms

This code means there's a problem with the part of the car that charges the battery without plugging it in, like magic. It's not working right.

Explanation

The code indicates an issue with the inductive charging system for the hybrid or electric vehicle's battery. The system is not performing within the expected range.

Technical description

The P2D37 code is triggered when the vehicle's control module detects that the inductive charger input circuit is not operating within the expected parameters. This could be due to a malfunction in the inductive charging system, which is responsible for wirelessly charging the vehicle's battery.

Symptoms

• Battery not charging

• Warning light on dashboard

• Reduced driving range

Common Causes

• Faulty inductive charging pad

• Damaged wiring or connectors

• Malfunctioning control module

Glossary

Inductive Charging: A method of charging that uses electromagnetic fields to transfer energy between two objects.

Control Module: A computer in the vehicle that manages specific functions, such as charging.

Diagnosis steps

• Inspect the inductive charging pad for damage

• Check wiring and connectors for continuity

• Test the control module for faults

Repair procedures

• Replace damaged charging pad

• Repair or replace faulty wiring

• Reprogram or replace the control module

Tools required

• Multimeter

• OBD-II scanner

• Screwdriver set

Estimated repair cost

$200 - $800

Difficulty level

Moderate

Commonly affected vehicles

• Toyota Prius

• Chevrolet Volt

• Nissan Leaf

Preventive measures

• Regular maintenance checks

• Keep charging pad clean

• Avoid physical damage to charging components

Error code type

Charging System Issue

User experience recommendations

• Avoid using the vehicle until repaired

• Consult with a certified technician

• Ensure proper charging procedures are followed

Warranty information

Check with your vehicle's manufacturer for warranty coverage on hybrid/EV components.

Historical data

This code has been relatively uncommon but is becoming more frequent with the increase in hybrid and electric vehicles.

Urgency level

Moderate – It is important to address this issue to ensure the vehicle charges properly and maintains its driving range.

Testing conditions

• Vehicle parked on a flat surface

• Charging system connected and active

Component location

The inductive charging components are typically located underneath the vehicle or in the charging pad area.

FAQs

Q: Can I drive my car with this code?
A: It's not recommended as the battery may not charge properly, reducing your driving range.

Q: Is this a common problem?
A: It's becoming more common as more vehicles use inductive charging technology.

Optional diagnostic gear

Tools that may help diagnose P2D37

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
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