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 P1C58

Quick reference

P1C58 at a glance

Plain-language meaning
This code means that the car's computer is confused about the amount of electricity coming from the charger. It's like when you plug in a toy and it doesn't know how much power it's getting.
Urgency
Moderate – Charging issues can prevent the vehicle from operating properly if not addressed.
Difficulty
Moderate
System
Electrical System Issue
Tools mentioned
Multimeter, OBD-II scanner, 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 confused about the amount of electricity coming from the charger. It's like when you plug in a toy and it doesn't know how much power it's getting.

Explanation

The vehicle's control module has detected an issue with the AC charger's current reading, which does not match expected values.

Technical description

The P1C58 code is triggered when the Universal Charger Extension Control Module detects an implausible current reading from the AC charger. This could indicate a problem with the charger, wiring, or the control module itself, causing a mismatch in expected and actual current values.

Symptoms

• Charging issues or failure to charge

• Warning light on the dashboard

• Inconsistent charging times

Common Causes

• Faulty AC charger

• Wiring issues or poor connections

• Defective Universal Charger Extension Control Module

Glossary

AC: Alternating Current

OBD-II: On-Board Diagnostics II

Diagnosis steps

• Inspect the AC charger for damage or faults

• Check wiring and connections for continuity and corrosion

• Test the Universal Charger Extension Control Module

Repair procedures

• Replace the faulty AC charger

• Repair or replace damaged wiring

• Replace the Universal Charger Extension Control Module if necessary

Tools required

• Multimeter

• OBD-II scanner

• Basic hand tools

Estimated repair cost

$200 - $600

Difficulty level

Moderate

Commonly affected vehicles

• Chevrolet Volt

• Nissan Leaf

• BMW i3

Preventive measures

• Regular maintenance checks on charging system

• Ensure proper connections when charging

• Use manufacturer-recommended charging equipment

Error code type

Electrical System Issue

User experience recommendations

• Avoid using non-standard chargers

• Schedule regular maintenance checks

• Monitor charging performance regularly

Warranty information

Check with the vehicle manufacturer for warranty coverage on the charging system.

Historical data

This code has become more common with the increase in electric and hybrid vehicles, highlighting the importance of reliable charging systems.

Urgency level

Moderate – Charging issues can prevent the vehicle from operating properly if not addressed.

Testing conditions

• Vehicle in charging mode

• Access to a functional AC charger

Component location

The Universal Charger Extension Control Module is typically located near the vehicle's charging port or battery compartment.

FAQs

Q: Can I still drive my car with this code?
A: Yes, but you may experience charging issues which could eventually prevent the car from operating.

Q: Will resetting the code fix the problem?
A: Resetting the code may clear the warning temporarily, but the underlying issue must be resolved to prevent it from returning.

Optional diagnostic gear

Tools that may help diagnose P1C58

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
🌙