Battery Charger B Charge Sequence Signal 2 Circuit High
The charge sequence signal 2 circuit of battery charger B reports voltage above the expected window. Charging handshake compromised.
Affected components
- Battery charger b charge seq signal 2
- Wiring harness
- Bms
Common causes
- High likelihood: Signal wire shorted to B+
- Medium likelihood: Pull-down resistor open
- Low likelihood: Connector pins corroded - high contact resistance
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.