Error code
OBD2 P0562
OBD2P0562
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
System Voltage Low.
Severity
moderateCan drive but may experience electrical issues and difficulty starting the engine.
Summary
P0562 indicates that the system voltage is too low in your vehicle's electrical system, specifically related to the battery and alternator.
Symptoms
- Battery light may illuminate
- Low voltage warning on the instrument panel
- Difficulty restarting the engine
- Flickering or dimming headlights and interior lights
- Audio system cuts out or turns off
- Erroneous DTCs causing MIL to illuminate
- Improper shifting
Common Causes
- Loose or damaged terminals at the alternator
- PCM failure
- Loose or worn alternator drive belt or serpentine belt
- Corroded, broken, or chafed wiring
- Insufficient battery charge or bad cell in battery
- Poor wiring connection
- Failed alternator
- Loose positive or negative battery terminal
Diagnosis
- Perform a visual inspection of the alternator, belt tension, and wiring connections.
- Measure battery voltage with a digital volt-ohm meter (DVOM) while the engine is off.
- Check for proper charging system operation by measuring battery voltage while the engine is running.
- Inspect wiring from the alternator to the powertrain control module for any breaks or corrosion.
- Test the battery and ensure it maintains its charge without dropping significantly.
Fixes
- Replace faulty components such as the alternator, belt, or wiring connections.
FAQ
What does P0562 mean?
P0562 indicates a low system voltage in your vehicle's electrical system.
How do I fix P0562?
Fixing P0562 involves identifying and replacing faulty components like the alternator, belt, or wiring connections.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P0500Vehicle Speed Sensor 'A'
- P0501Vehicle Speed Sensor 'A' Range/Performance
- P0502Vehicle Speed Sensor 'A' Circuit Low Input
- P0503Vehicle Speed Sensor 'A' Intermittent/Erratic/High
- P0504Brake Switch 'A'/'B' Correlation
- P0505Idle Air Control System
- P0506Idle Air Control System RPM Lower Than Expected
- P0507Idle Air Control System RPM Higher Than Expected
- P0508Idle Air Control System Circuit Low
- P0509Idle Air Control System Circuit High
- P0510Closed Throttle Position Switch
- P0511Idle Air Control Circuit