Powertrain
generic / SAE
P2502
Charging System Voltage
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 02
Possible causes
- Alternator output fault high
- Voltage regulator fault medium
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 150–800 €
- Estimated time: 0.5–3 h
- Component: alternator
- Component: voltage regulator
- Component: battery
- MIL / check engine light
Sources
References
sae:J2012