Battery Charger Coupler Temperature D Too High
The coupler D temperature exceeds the safety threshold during charging. Contact resistance increased or charging current too high.
Affected components
- Battery charger coupler d
Common causes
- High likelihood: Coupler contacts oxidised - high resistance
- Medium likelihood: Charging current above coupler rating
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
Related codes
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.