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 computer found a problem with the sensor that checks how much electricity is coming from the battery charger. It's like a teacher noticing that a student isn't handing in enough homework.
The vehicle's onboard computer has detected a low voltage signal from the 14-volt output current sensor circuit, indicating a potential issue with the sensor or the circuit itself.
The P0D49 code is triggered when the Powertrain Control Module (PCM) detects a low voltage condition in the battery charger 14-volt output current sensor circuit. This sensor monitors the current output from the battery charger to ensure it is within the expected range. A low signal can indicate a fault in the sensor, wiring, or connector.
• Check engine light is on
• Battery not charging properly
• Electrical accessories not functioning correctly
• Faulty 14-volt output current sensor
• Damaged or corroded wiring or connectors
• Faulty battery charger
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the 14-volt output current sensor for proper operation.
• Replace the faulty 14-volt output current sensor.
• Repair or replace damaged wiring or connectors.
• Replace the battery charger if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$100 - $500
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regularly inspect wiring and connectors for damage.
• Ensure battery charger is functioning properly.
• Perform routine maintenance checks.
Sensor Issue
• Avoid using high-power electrical accessories until the issue is resolved.
• Get the vehicle inspected by a professional mechanic.
Check with your vehicle manufacturer for warranty coverage on electrical components.
This code has been associated with hybrid and electric vehicles where battery charging systems are critical.
Moderate – It should be addressed soon to avoid battery charging issues.
Driving with a malfunctioning charging system can lead to battery failure, which may cause the vehicle to stop running unexpectedly.
• Vehicle must be running.
• Battery charger must be active.
The 14-volt output current sensor is typically located near the battery charger or within the power distribution center.
Q: Can I drive my car with this code?
A: It's not recommended to drive for long periods, as the battery may not charge properly, leading to potential vehicle shutdown.
Q: How can I prevent this issue?
A: Regular maintenance and inspections of the electrical system can help prevent this issue.
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