Control Pilot Charging Switch B Range/Performance
The control pilot charging switch B reports a range/performance condition. SAE J1772 charging signal handshake may be compromised.
Affected components
- Control pilot switch b
- Wiring harness
- Bms
Common causes
- High likelihood: Switch contacts aged
- Medium likelihood: High-resistance contact
- Low likelihood: Sensor element aged beyond calibration window
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.