Code result
P2502
Charging System Voltage
Moderate severity
What it means
The ECU detects an out-of-range charging system voltage without specifying high or low. Indicates a generic charging fault that requires further sub-code investigation.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Alternator output fault
highOne of the most commonly reported causes for this code — check this first.
Voltage regulator fault
mediumA plausible cause — test and verify before replacing parts.
Related help
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