Powertrain
generic / SAE
P0D26
Battery Charger System Precharge Time Too Long
The battery charger system precharge time exceeds the calibrated maximum. Indicates high resistance, capacitor degradation, or weak contactor.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberD / 26
Possible causes
- Increased resistance in precharge path high
- Capacitor degraded medium
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 400–3000 €
- Estimated time: 2–10 h
- Component: battery charger precharge circuit
- Component: dc link capacitor
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012