Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's battery charger isn't working right. It's like when your phone charger doesn't charge your phone properly.
The vehicle's onboard computer has detected an issue with the output voltage from the battery charger, which is not performing as expected.
The P0D20 code is triggered when the powertrain control module (PCM) detects that the output voltage of Battery Charger A is outside the expected range. This could be due to a malfunction in the charging system, wiring issues, or a faulty battery charger.
• Battery not charging properly
• Warning light on the dashboard
• Reduced vehicle performance
• Faulty battery charger
• Wiring issues in the charging system
• Defective powertrain control module (PCM)
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Check for any other related codes and address them first.
• Inspect the battery charger and its connections for damage or corrosion.
• Test the output voltage of the battery charger using a multimeter.
• Replace the faulty battery charger.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the PCM if necessary.
• Multimeter
• OBD-II scanner
• Basic hand tools
$200 - $800
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regular maintenance of the charging system
• Ensure battery connections are clean and secure
• Avoid overloading the electrical system
Charging System Issue
• Avoid using high-power electrical accessories until the issue is fixed.
• Get the vehicle checked by a professional mechanic as soon as possible.
Check with the vehicle manufacturer for warranty coverage on the charging system components.
This code has been associated with hybrid and electric vehicles due to their complex charging systems.
Moderate – While the vehicle may still operate, the charging system should be inspected and repaired to prevent further issues.
Driving with a malfunctioning charging system can lead to battery failure and potential vehicle shutdown.
• Vehicle in 'ON' mode with engine running
• Battery charger connected and active
The battery charger is typically located near the vehicle's battery or integrated within the powertrain system.
Q: Can I drive my car with this code?
A: It's not recommended to drive for long periods with this code active, as it may lead to battery failure.
Q: Will this code affect my car's performance?
A: Yes, it can lead to reduced performance and potential battery issues.
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