Battery Charger System Precharge Time Too Short
The battery charger system precharge time is shorter than the calibrated minimum. Indicates short on DC-link or low precharge resistance.
Affected components
- Battery charger precharge circuit
Common causes
- High likelihood: Short on DC-link
- Medium likelihood: Precharge resistor shorted
Possible symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.