Battery Charger A Temperature Too High

Common symptoms

What you'll notice

• Check the charging system for any faults or malfunctions
• Inspect and clean the battery terminals and cables
• Replace or repair any damaged wiring or connections in the charging system
• Verify that the battery charger is the correct model and compatible with the vehicle's specifications

Common causes

Most likely first

1. Faulty battery charger causing high temperature
2. Overcharging of the battery
3. Malfunctioning temperature sensor in the battery charger
4. External factors such as high ambient temperature causing the temperature to rise

How to diagnose & fix

Work through it in order

1. Overheating of the battery charger unit
2. Burning smell coming from the charger
3. Inconsistent charging or slow charging of the battery
4. Automatic shut
5. off of the charger due to high temperature
6. Damage to the battery charger unit